java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 14:56:34,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 14:56:34,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 14:56:34,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 14:56:34,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 14:56:34,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 14:56:34,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 14:56:34,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 14:56:34,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 14:56:34,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 14:56:34,499 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 14:56:34,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 14:56:34,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 14:56:34,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 14:56:34,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 14:56:34,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 14:56:34,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 14:56:34,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 14:56:34,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 14:56:34,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 14:56:34,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 14:56:34,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 14:56:34,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 14:56:34,514 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 [2018-04-11 14:56:34,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 14:56:34,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 14:56:34,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 14:56:34,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 14:56:34,537 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 14:56:34,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 14:56:34,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 14:56:34,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 14:56:34,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 14:56:34,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 14:56:34,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 14:56:34,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 14:56:34,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 14:56:34,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 14:56:34,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 14:56:34,573 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 14:56:34,576 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 14:56:34,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 14:56:34,577 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 14:56:34,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:34,881 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG76ad735ee [2018-04-11 14:56:35,042 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 14:56:35,042 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 14:56:35,043 INFO L168 CDTParser]: Scanning sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,051 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 14:56:35,051 INFO L215 ultiparseSymbolTable]: [2018-04-11 14:56:35,052 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 14:56:35,052 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__wchar_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__nlink_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__loff_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fd_mask in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__uint in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__id_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_int in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____clock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__dev_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____loff_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__clockid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____sigset_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__timer_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_short in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____nlink_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__SLL in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__gid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ssize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____off_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_long in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsword_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fd_mask in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____socklen_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____mode_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__idtype_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ssize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____timer_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ino_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____intptr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__size_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__off_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_char in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____gid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_long in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____rlim_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____pid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____clockid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____off64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_char in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__uid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fd_set in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____dev_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__time_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blksize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__blksize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__div_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____id_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__sigset_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_short in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__mode_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__caddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____caddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ulong in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__daddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__clock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ino64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__register_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____daddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____time_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ushort in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____useconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ino_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,077 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG76ad735ee [2018-04-11 14:56:35,080 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 14:56:35,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 14:56:35,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 14:56:35,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 14:56:35,086 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 14:56:35,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332af3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35, skipping insertion in model container [2018-04-11 14:56:35,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,101 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:56:35,127 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:56:35,274 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:56:35,312 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:56:35,318 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-11 14:56:35,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35 WrapperNode [2018-04-11 14:56:35,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 14:56:35,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 14:56:35,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 14:56:35,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 14:56:35,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (1/1) ... [2018-04-11 14:56:35,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 14:56:35,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 14:56:35,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 14:56:35,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 14:56:35,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (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 [2018-04-11 14:56:35,488 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 14:56:35,489 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 14:56:35,489 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 14:56:35,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 14:56:35,490 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 14:56:35,491 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 14:56:35,492 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 14:56:35,493 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 14:56:35,494 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-11 14:56:35,495 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 14:56:35,496 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 14:56:35,497 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 14:56:35,498 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 14:56:35,499 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 14:56:35,500 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 14:56:35,855 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 14:56:35,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:56:35 BoogieIcfgContainer [2018-04-11 14:56:35,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 14:56:35,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 14:56:35,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 14:56:35,859 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 14:56:35,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 02:56:35" (1/3) ... [2018-04-11 14:56:35,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:56:35, skipping insertion in model container [2018-04-11 14:56:35,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:56:35" (2/3) ... [2018-04-11 14:56:35,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:56:35, skipping insertion in model container [2018-04-11 14:56:35,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:56:35" (3/3) ... [2018-04-11 14:56:35,862 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-11 14:56:35,870 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 14:56:35,879 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-04-11 14:56:35,917 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 14:56:35,918 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 14:56:35,918 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 14:56:35,918 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 14:56:35,918 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 14:56:35,918 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 14:56:35,918 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 14:56:35,918 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 14:56:35,918 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 14:56:35,919 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 14:56:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-04-11 14:56:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 14:56:35,934 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:35,934 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:35,934 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:35,937 INFO L82 PathProgramCache]: Analyzing trace with hash -822716266, now seen corresponding path program 1 times [2018-04-11 14:56:35,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,002 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,052 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 14:56:36,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,054 INFO L182 omatonBuilderFactory]: Interpolants [123#true, 124#false, 125#(= 1 (select |#valid| |main_#t~malloc0.base|)), 126#(= 1 (select |#valid| main_~head~0.base))] [2018-04-11 14:56:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:56:36,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:56:36,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:56:36,070 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 4 states. [2018-04-11 14:56:36,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:36,204 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2018-04-11 14:56:36,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 14:56:36,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 14:56:36,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:36,211 INFO L225 Difference]: With dead ends: 146 [2018-04-11 14:56:36,211 INFO L226 Difference]: Without dead ends: 143 [2018-04-11 14:56:36,212 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 [2018-04-11 14:56:36,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-11 14:56:36,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2018-04-11 14:56:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-11 14:56:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2018-04-11 14:56:36,238 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 8 [2018-04-11 14:56:36,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:36,238 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2018-04-11 14:56:36,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:56:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2018-04-11 14:56:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 14:56:36,239 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:36,239 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:36,239 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:36,239 INFO L82 PathProgramCache]: Analyzing trace with hash -822716265, now seen corresponding path program 1 times [2018-04-11 14:56:36,240 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,299 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 14:56:36,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,300 INFO L182 omatonBuilderFactory]: Interpolants [390#true, 391#false, 392#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 393#(and (= 8 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))] [2018-04-11 14:56:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:56:36,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:56:36,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:56:36,302 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 4 states. [2018-04-11 14:56:36,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:36,410 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2018-04-11 14:56:36,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 14:56:36,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 14:56:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:36,412 INFO L225 Difference]: With dead ends: 141 [2018-04-11 14:56:36,412 INFO L226 Difference]: Without dead ends: 141 [2018-04-11 14:56:36,412 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 [2018-04-11 14:56:36,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-04-11 14:56:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 113. [2018-04-11 14:56:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-11 14:56:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2018-04-11 14:56:36,420 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 8 [2018-04-11 14:56:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:36,420 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2018-04-11 14:56:36,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:56:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2018-04-11 14:56:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 14:56:36,421 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:36,421 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:36,421 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:36,422 INFO L82 PathProgramCache]: Analyzing trace with hash 962217982, now seen corresponding path program 1 times [2018-04-11 14:56:36,423 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 14:56:36,458 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,459 INFO L182 omatonBuilderFactory]: Interpolants [650#true, 651#false, 652#(= 1 (select |#valid| main_~head~0.base)), 653#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:56:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 14:56:36,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 14:56:36,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 14:56:36,459 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand 4 states. [2018-04-11 14:56:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:36,569 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2018-04-11 14:56:36,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:56:36,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 14:56:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:36,570 INFO L225 Difference]: With dead ends: 119 [2018-04-11 14:56:36,570 INFO L226 Difference]: Without dead ends: 119 [2018-04-11 14:56:36,571 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 [2018-04-11 14:56:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-11 14:56:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2018-04-11 14:56:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 14:56:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2018-04-11 14:56:36,575 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 14 [2018-04-11 14:56:36,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:36,575 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2018-04-11 14:56:36,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 14:56:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2018-04-11 14:56:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 14:56:36,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:36,575 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:36,575 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:36,575 INFO L82 PathProgramCache]: Analyzing trace with hash 962217983, now seen corresponding path program 1 times [2018-04-11 14:56:36,576 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,626 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,626 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:56:36,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,626 INFO L182 omatonBuilderFactory]: Interpolants [880#false, 881#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 882#(and (= 0 main_~head~0.offset) (= 8 (select |#length| main_~head~0.base))), 883#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 879#true] [2018-04-11 14:56:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:56:36,627 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:56:36,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:56:36,627 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 5 states. [2018-04-11 14:56:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:36,759 INFO L93 Difference]: Finished difference Result 182 states and 186 transitions. [2018-04-11 14:56:36,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:56:36,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 14:56:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:36,760 INFO L225 Difference]: With dead ends: 182 [2018-04-11 14:56:36,760 INFO L226 Difference]: Without dead ends: 182 [2018-04-11 14:56:36,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:56:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-11 14:56:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 139. [2018-04-11 14:56:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-04-11 14:56:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2018-04-11 14:56:36,767 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 14 [2018-04-11 14:56:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:36,767 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2018-04-11 14:56:36,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:56:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2018-04-11 14:56:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 14:56:36,768 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:36,768 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:36,768 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:36,768 INFO L82 PathProgramCache]: Analyzing trace with hash -219755518, now seen corresponding path program 1 times [2018-04-11 14:56:36,769 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,778 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,807 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:56:36,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,808 INFO L182 omatonBuilderFactory]: Interpolants [1209#true, 1210#false, 1211#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1212#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 1213#(= 1 (select |#valid| |main_#t~mem5.base|))] [2018-04-11 14:56:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:56:36,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:56:36,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:56:36,809 INFO L87 Difference]: Start difference. First operand 139 states and 146 transitions. Second operand 5 states. [2018-04-11 14:56:36,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:36,914 INFO L93 Difference]: Finished difference Result 142 states and 147 transitions. [2018-04-11 14:56:36,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:56:36,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 14:56:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:36,915 INFO L225 Difference]: With dead ends: 142 [2018-04-11 14:56:36,915 INFO L226 Difference]: Without dead ends: 142 [2018-04-11 14:56:36,916 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:56:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-11 14:56:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2018-04-11 14:56:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-11 14:56:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2018-04-11 14:56:36,921 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 18 [2018-04-11 14:56:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:36,922 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2018-04-11 14:56:36,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:56:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2018-04-11 14:56:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 14:56:36,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:36,922 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:36,922 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:36,923 INFO L82 PathProgramCache]: Analyzing trace with hash -219755517, now seen corresponding path program 1 times [2018-04-11 14:56:36,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:36,935 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,974 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:36,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:56:36,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,975 INFO L182 omatonBuilderFactory]: Interpolants [1498#true, 1499#false, 1500#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 1501#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1502#(and (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.offset| 0))] [2018-04-11 14:56:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:36,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:56:36,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:56:36,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:56:36,976 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand 5 states. [2018-04-11 14:56:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:37,084 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2018-04-11 14:56:37,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:56:37,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 14:56:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:37,085 INFO L225 Difference]: With dead ends: 137 [2018-04-11 14:56:37,085 INFO L226 Difference]: Without dead ends: 137 [2018-04-11 14:56:37,085 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:56:37,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-11 14:56:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-04-11 14:56:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 14:56:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions. [2018-04-11 14:56:37,091 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 18 [2018-04-11 14:56:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:37,091 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions. [2018-04-11 14:56:37,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:56:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-04-11 14:56:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 14:56:37,092 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:37,092 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:37,092 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:37,092 INFO L82 PathProgramCache]: Analyzing trace with hash -193094559, now seen corresponding path program 1 times [2018-04-11 14:56:37,093 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:37,100 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,139 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:37,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 14:56:37,140 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,140 INFO L182 omatonBuilderFactory]: Interpolants [1781#true, 1782#false, 1783#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 1784#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1785#(and (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|)), 1786#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 14:56:37,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 14:56:37,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 14:56:37,140 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand 6 states. [2018-04-11 14:56:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:37,354 INFO L93 Difference]: Finished difference Result 227 states and 239 transitions. [2018-04-11 14:56:37,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 14:56:37,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-11 14:56:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:37,356 INFO L225 Difference]: With dead ends: 227 [2018-04-11 14:56:37,356 INFO L226 Difference]: Without dead ends: 227 [2018-04-11 14:56:37,356 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 [2018-04-11 14:56:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-04-11 14:56:37,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 121. [2018-04-11 14:56:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-11 14:56:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 127 transitions. [2018-04-11 14:56:37,360 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 127 transitions. Word has length 18 [2018-04-11 14:56:37,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:37,360 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 127 transitions. [2018-04-11 14:56:37,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 14:56:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2018-04-11 14:56:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 14:56:37,360 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:37,360 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:37,361 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:37,361 INFO L82 PathProgramCache]: Analyzing trace with hash -193094560, now seen corresponding path program 1 times [2018-04-11 14:56:37,362 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:37,369 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:37,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 14:56:37,396 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,397 INFO L182 omatonBuilderFactory]: Interpolants [2146#true, 2147#false, 2148#(= 1 (select |#valid| |main_#t~malloc2.base|)), 2149#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2150#(= 1 (select |#valid| |main_#t~mem3.base|)), 2151#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:56:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 14:56:37,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 14:56:37,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 14:56:37,397 INFO L87 Difference]: Start difference. First operand 121 states and 127 transitions. Second operand 6 states. [2018-04-11 14:56:37,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:37,528 INFO L93 Difference]: Finished difference Result 193 states and 203 transitions. [2018-04-11 14:56:37,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 14:56:37,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-11 14:56:37,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:37,529 INFO L225 Difference]: With dead ends: 193 [2018-04-11 14:56:37,529 INFO L226 Difference]: Without dead ends: 193 [2018-04-11 14:56:37,529 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 [2018-04-11 14:56:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-11 14:56:37,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 120. [2018-04-11 14:56:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-11 14:56:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2018-04-11 14:56:37,537 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 18 [2018-04-11 14:56:37,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:37,537 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2018-04-11 14:56:37,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 14:56:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2018-04-11 14:56:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 14:56:37,538 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:37,538 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:37,538 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1334638783, now seen corresponding path program 1 times [2018-04-11 14:56:37,539 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:37,550 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,610 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:37,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 14:56:37,610 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,611 INFO L182 omatonBuilderFactory]: Interpolants [2472#true, 2473#false, 2474#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2475#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 2476#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 2477#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2478#(= 1 (select |#valid| |main_#t~mem8.base|)), 2479#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:56:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:37,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:37,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:37,612 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand 8 states. [2018-04-11 14:56:37,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:37,848 INFO L93 Difference]: Finished difference Result 210 states and 217 transitions. [2018-04-11 14:56:37,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 14:56:37,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-11 14:56:37,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:37,849 INFO L225 Difference]: With dead ends: 210 [2018-04-11 14:56:37,850 INFO L226 Difference]: Without dead ends: 210 [2018-04-11 14:56:37,850 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:56:37,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-04-11 14:56:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 143. [2018-04-11 14:56:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-11 14:56:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2018-04-11 14:56:37,853 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 33 [2018-04-11 14:56:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:37,854 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2018-04-11 14:56:37,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2018-04-11 14:56:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 14:56:37,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:37,855 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:37,855 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:37,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1334638782, now seen corresponding path program 1 times [2018-04-11 14:56:37,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:37,867 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:37,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 14:56:37,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,944 INFO L182 omatonBuilderFactory]: Interpolants [2848#false, 2849#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2850#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 2851#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 2852#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2853#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 2854#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 2847#true] [2018-04-11 14:56:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:37,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:37,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:37,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:37,945 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand 8 states. [2018-04-11 14:56:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:38,237 INFO L93 Difference]: Finished difference Result 256 states and 263 transitions. [2018-04-11 14:56:38,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:56:38,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-11 14:56:38,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:38,239 INFO L225 Difference]: With dead ends: 256 [2018-04-11 14:56:38,239 INFO L226 Difference]: Without dead ends: 256 [2018-04-11 14:56:38,239 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:38,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-11 14:56:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 141. [2018-04-11 14:56:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-11 14:56:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 149 transitions. [2018-04-11 14:56:38,243 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 149 transitions. Word has length 33 [2018-04-11 14:56:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:38,243 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 149 transitions. [2018-04-11 14:56:38,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2018-04-11 14:56:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 14:56:38,244 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:38,244 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:38,244 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:38,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1083059070, now seen corresponding path program 1 times [2018-04-11 14:56:38,245 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:38,254 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,310 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:38,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 14:56:38,311 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,311 INFO L182 omatonBuilderFactory]: Interpolants [3264#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 3265#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3266#(= 1 (select |#valid| |main_#t~mem10.base|)), 3267#(= 1 (select |#valid| main_~x~0.base)), 3260#true, 3261#false, 3262#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3263#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:38,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:38,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:38,312 INFO L87 Difference]: Start difference. First operand 141 states and 149 transitions. Second operand 8 states. [2018-04-11 14:56:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:38,631 INFO L93 Difference]: Finished difference Result 223 states and 231 transitions. [2018-04-11 14:56:38,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 14:56:38,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-11 14:56:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:38,632 INFO L225 Difference]: With dead ends: 223 [2018-04-11 14:56:38,633 INFO L226 Difference]: Without dead ends: 223 [2018-04-11 14:56:38,633 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:56:38,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-11 14:56:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 149. [2018-04-11 14:56:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 14:56:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 158 transitions. [2018-04-11 14:56:38,636 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 158 transitions. Word has length 33 [2018-04-11 14:56:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:38,637 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 158 transitions. [2018-04-11 14:56:38,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2018-04-11 14:56:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 14:56:38,637 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:38,638 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:38,638 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:38,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1083059071, now seen corresponding path program 1 times [2018-04-11 14:56:38,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:38,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:38,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 14:56:38,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,719 INFO L182 omatonBuilderFactory]: Interpolants [3654#true, 3655#false, 3656#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3657#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 3658#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3659#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3660#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 3661#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:38,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:38,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:38,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:38,720 INFO L87 Difference]: Start difference. First operand 149 states and 158 transitions. Second operand 8 states. [2018-04-11 14:56:38,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:38,984 INFO L93 Difference]: Finished difference Result 259 states and 266 transitions. [2018-04-11 14:56:38,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:56:38,984 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-11 14:56:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:38,986 INFO L225 Difference]: With dead ends: 259 [2018-04-11 14:56:38,986 INFO L226 Difference]: Without dead ends: 259 [2018-04-11 14:56:38,986 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:38,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-11 14:56:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 149. [2018-04-11 14:56:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 14:56:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2018-04-11 14:56:38,990 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 33 [2018-04-11 14:56:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:38,990 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2018-04-11 14:56:38,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2018-04-11 14:56:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 14:56:38,991 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:38,991 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] [2018-04-11 14:56:38,991 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:38,992 INFO L82 PathProgramCache]: Analyzing trace with hash 861014220, now seen corresponding path program 2 times [2018-04-11 14:56:38,993 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:39,010 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:56:39,247 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:39,247 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-11 14:56:39,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:39,248 INFO L182 omatonBuilderFactory]: Interpolants [4078#true, 4079#false, 4080#(= 0 |main_#t~malloc0.offset|), 4081#(= main_~head~0.offset 0), 4082#(and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4083#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4084#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4085#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4086#(and (not (= |main_#t~mem5.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 4087#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 4088#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))), 4089#(= |main_#t~mem6| 1), 4090#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)), 4091#(not (= |main_#t~mem7| 0))] [2018-04-11 14:56:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:56:39,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 14:56:39,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 14:56:39,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-11 14:56:39,249 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand 14 states. [2018-04-11 14:56:39,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:39,542 INFO L93 Difference]: Finished difference Result 212 states and 216 transitions. [2018-04-11 14:56:39,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 14:56:39,542 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-04-11 14:56:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:39,543 INFO L225 Difference]: With dead ends: 212 [2018-04-11 14:56:39,543 INFO L226 Difference]: Without dead ends: 212 [2018-04-11 14:56:39,543 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:56:39,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-04-11 14:56:39,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 143. [2018-04-11 14:56:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-11 14:56:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2018-04-11 14:56:39,545 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 42 [2018-04-11 14:56:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:39,545 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2018-04-11 14:56:39,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 14:56:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2018-04-11 14:56:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 14:56:39,546 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:39,546 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:39,546 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:39,546 INFO L82 PathProgramCache]: Analyzing trace with hash 693191888, now seen corresponding path program 1 times [2018-04-11 14:56:39,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:39,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:39,668 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:39,668 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 14:56:39,668 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:39,668 INFO L182 omatonBuilderFactory]: Interpolants [4480#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 4481#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 4482#(= 1 (select |#valid| |main_#t~mem8.base|)), 4483#(= 1 (select |#valid| main_~x~0.base)), 4469#true, 4470#false, 4471#(= 1 (select |#valid| main_~head~0.base)), 4472#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4473#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 4474#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 4475#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 4476#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 4477#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base))), 4478#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 4479#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-11 14:56:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:39,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 14:56:39,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 14:56:39,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:56:39,669 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand 15 states. [2018-04-11 14:56:40,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:40,153 INFO L93 Difference]: Finished difference Result 247 states and 257 transitions. [2018-04-11 14:56:40,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 14:56:40,153 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-04-11 14:56:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:40,154 INFO L225 Difference]: With dead ends: 247 [2018-04-11 14:56:40,154 INFO L226 Difference]: Without dead ends: 247 [2018-04-11 14:56:40,155 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=689, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:56:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-04-11 14:56:40,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 174. [2018-04-11 14:56:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-11 14:56:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 184 transitions. [2018-04-11 14:56:40,159 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 184 transitions. Word has length 44 [2018-04-11 14:56:40,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:40,159 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 184 transitions. [2018-04-11 14:56:40,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 14:56:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2018-04-11 14:56:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 14:56:40,160 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:40,160 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:40,160 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:40,160 INFO L82 PathProgramCache]: Analyzing trace with hash 693191889, now seen corresponding path program 1 times [2018-04-11 14:56:40,161 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:40,173 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:40,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:40,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 14:56:40,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:40,417 INFO L182 omatonBuilderFactory]: Interpolants [4935#true, 4936#false, 4937#(= 1 (select |#valid| main_~head~0.base)), 4938#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4939#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 4940#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 4941#(and (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4942#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4943#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4944#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4945#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4946#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 4947#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 4948#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 4949#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:40,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 14:56:40,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 14:56:40,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:56:40,418 INFO L87 Difference]: Start difference. First operand 174 states and 184 transitions. Second operand 15 states. [2018-04-11 14:56:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:41,045 INFO L93 Difference]: Finished difference Result 295 states and 305 transitions. [2018-04-11 14:56:41,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 14:56:41,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-04-11 14:56:41,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:41,046 INFO L225 Difference]: With dead ends: 295 [2018-04-11 14:56:41,046 INFO L226 Difference]: Without dead ends: 295 [2018-04-11 14:56:41,046 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:56:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-04-11 14:56:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 172. [2018-04-11 14:56:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-11 14:56:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 181 transitions. [2018-04-11 14:56:41,049 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 181 transitions. Word has length 44 [2018-04-11 14:56:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:41,049 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 181 transitions. [2018-04-11 14:56:41,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 14:56:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2018-04-11 14:56:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 14:56:41,049 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:41,050 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:41,050 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:41,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1184077555, now seen corresponding path program 1 times [2018-04-11 14:56:41,051 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:41,060 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:41,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 14:56:41,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,152 INFO L182 omatonBuilderFactory]: Interpolants [5456#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5457#(= 1 (select |#valid| |main_#t~mem10.base|)), 5458#(= 1 (select |#valid| main_~x~0.base)), 5447#true, 5448#false, 5449#(= 1 (select |#valid| main_~head~0.base)), 5450#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5451#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 5452#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5453#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 5454#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 5455#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-04-11 14:56:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 14:56:41,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 14:56:41,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:41,152 INFO L87 Difference]: Start difference. First operand 172 states and 181 transitions. Second operand 12 states. [2018-04-11 14:56:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:41,510 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2018-04-11 14:56:41,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 14:56:41,510 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2018-04-11 14:56:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:41,511 INFO L225 Difference]: With dead ends: 260 [2018-04-11 14:56:41,511 INFO L226 Difference]: Without dead ends: 260 [2018-04-11 14:56:41,511 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:56:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-11 14:56:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 180. [2018-04-11 14:56:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-11 14:56:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 190 transitions. [2018-04-11 14:56:41,514 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 190 transitions. Word has length 44 [2018-04-11 14:56:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:41,514 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 190 transitions. [2018-04-11 14:56:41,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 14:56:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 190 transitions. [2018-04-11 14:56:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 14:56:41,515 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:41,515 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:41,515 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:41,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1184077554, now seen corresponding path program 1 times [2018-04-11 14:56:41,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:41,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,696 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:41,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 14:56:41,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,696 INFO L182 omatonBuilderFactory]: Interpolants [5921#true, 5922#false, 5923#(= 1 (select |#valid| main_~head~0.base)), 5924#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5925#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 5926#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5927#(and (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5928#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5929#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5930#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5931#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5932#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 5933#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:41,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 14:56:41,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 14:56:41,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:56:41,697 INFO L87 Difference]: Start difference. First operand 180 states and 190 transitions. Second operand 13 states. [2018-04-11 14:56:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:42,194 INFO L93 Difference]: Finished difference Result 298 states and 308 transitions. [2018-04-11 14:56:42,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 14:56:42,194 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2018-04-11 14:56:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:42,194 INFO L225 Difference]: With dead ends: 298 [2018-04-11 14:56:42,195 INFO L226 Difference]: Without dead ends: 298 [2018-04-11 14:56:42,195 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=430, Unknown=0, NotChecked=0, Total=552 [2018-04-11 14:56:42,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-11 14:56:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 172. [2018-04-11 14:56:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-11 14:56:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 181 transitions. [2018-04-11 14:56:42,197 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 181 transitions. Word has length 44 [2018-04-11 14:56:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:42,197 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 181 transitions. [2018-04-11 14:56:42,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 14:56:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2018-04-11 14:56:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 14:56:42,198 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:42,198 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:42,198 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:42,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1995223890, now seen corresponding path program 1 times [2018-04-11 14:56:42,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:42,204 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,239 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:42,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 14:56:42,240 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,240 INFO L182 omatonBuilderFactory]: Interpolants [6432#(= |main_#t~mem15.offset| 0), 6426#true, 6427#false, 6428#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6429#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 6430#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 6431#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))] [2018-04-11 14:56:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 14:56:42,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 14:56:42,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:56:42,240 INFO L87 Difference]: Start difference. First operand 172 states and 181 transitions. Second operand 7 states. [2018-04-11 14:56:42,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:42,438 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2018-04-11 14:56:42,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 14:56:42,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-04-11 14:56:42,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:42,439 INFO L225 Difference]: With dead ends: 257 [2018-04-11 14:56:42,439 INFO L226 Difference]: Without dead ends: 257 [2018-04-11 14:56:42,440 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-11 14:56:42,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 192. [2018-04-11 14:56:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-11 14:56:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 202 transitions. [2018-04-11 14:56:42,443 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 202 transitions. Word has length 45 [2018-04-11 14:56:42,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:42,444 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 202 transitions. [2018-04-11 14:56:42,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 14:56:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 202 transitions. [2018-04-11 14:56:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 14:56:42,444 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:42,444 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:42,444 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:42,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1722398699, now seen corresponding path program 1 times [2018-04-11 14:56:42,445 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:42,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,509 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:42,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 14:56:42,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,510 INFO L182 omatonBuilderFactory]: Interpolants [6896#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 6897#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6898#(= 1 (select |#valid| |main_#t~mem15.base|)), 6892#true, 6893#false, 6894#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6895#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 14:56:42,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 14:56:42,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:56:42,510 INFO L87 Difference]: Start difference. First operand 192 states and 202 transitions. Second operand 7 states. [2018-04-11 14:56:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:42,716 INFO L93 Difference]: Finished difference Result 222 states and 230 transitions. [2018-04-11 14:56:42,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 14:56:42,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2018-04-11 14:56:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:42,717 INFO L225 Difference]: With dead ends: 222 [2018-04-11 14:56:42,717 INFO L226 Difference]: Without dead ends: 222 [2018-04-11 14:56:42,717 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-11 14:56:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-11 14:56:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 193. [2018-04-11 14:56:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-04-11 14:56:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 203 transitions. [2018-04-11 14:56:42,720 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 203 transitions. Word has length 46 [2018-04-11 14:56:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:42,720 INFO L459 AbstractCegarLoop]: Abstraction has 193 states and 203 transitions. [2018-04-11 14:56:42,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 14:56:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 203 transitions. [2018-04-11 14:56:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 14:56:42,721 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:42,721 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:42,721 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:42,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1013062195, now seen corresponding path program 1 times [2018-04-11 14:56:42,723 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:42,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,849 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:42,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 14:56:42,850 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,850 INFO L182 omatonBuilderFactory]: Interpolants [7328#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7329#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))), 7330#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 7331#(= 1 (select |#valid| main_~x~0.base)), 7320#true, 7321#false, 7322#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7323#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 7324#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 7325#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 7326#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 7327#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-04-11 14:56:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:42,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 14:56:42,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 14:56:42,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:42,850 INFO L87 Difference]: Start difference. First operand 193 states and 203 transitions. Second operand 12 states. [2018-04-11 14:56:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:43,105 INFO L93 Difference]: Finished difference Result 238 states and 247 transitions. [2018-04-11 14:56:43,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 14:56:43,105 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-04-11 14:56:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:43,106 INFO L225 Difference]: With dead ends: 238 [2018-04-11 14:56:43,106 INFO L226 Difference]: Without dead ends: 238 [2018-04-11 14:56:43,106 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2018-04-11 14:56:43,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-04-11 14:56:43,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2018-04-11 14:56:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 14:56:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 211 transitions. [2018-04-11 14:56:43,110 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 211 transitions. Word has length 46 [2018-04-11 14:56:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:43,110 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 211 transitions. [2018-04-11 14:56:43,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 14:56:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 211 transitions. [2018-04-11 14:56:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 14:56:43,111 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:43,111 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:43,111 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:43,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1013062196, now seen corresponding path program 1 times [2018-04-11 14:56:43,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:43,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,195 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:43,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 14:56:43,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,196 INFO L182 omatonBuilderFactory]: Interpolants [7782#true, 7783#false, 7784#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7785#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 7786#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7787#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 7788#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 7789#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:43,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:43,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:43,196 INFO L87 Difference]: Start difference. First operand 200 states and 211 transitions. Second operand 8 states. [2018-04-11 14:56:43,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:43,380 INFO L93 Difference]: Finished difference Result 253 states and 260 transitions. [2018-04-11 14:56:43,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 14:56:43,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-04-11 14:56:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:43,381 INFO L225 Difference]: With dead ends: 253 [2018-04-11 14:56:43,381 INFO L226 Difference]: Without dead ends: 253 [2018-04-11 14:56:43,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:56:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-11 14:56:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 202. [2018-04-11 14:56:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-11 14:56:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 213 transitions. [2018-04-11 14:56:43,383 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 213 transitions. Word has length 46 [2018-04-11 14:56:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:43,383 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 213 transitions. [2018-04-11 14:56:43,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 213 transitions. [2018-04-11 14:56:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-11 14:56:43,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:43,384 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:43,384 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:43,384 INFO L82 PathProgramCache]: Analyzing trace with hash 173874702, now seen corresponding path program 1 times [2018-04-11 14:56:43,385 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:43,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,473 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:43,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 14:56:43,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,473 INFO L182 omatonBuilderFactory]: Interpolants [8256#false, 8257#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8258#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8259#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 8260#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 8261#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8262#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 8263#(and (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem15.base| main_~x~0.base))), 8264#(= 1 (select |#valid| main_~x~0.base)), 8255#true] [2018-04-11 14:56:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 14:56:43,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 14:56:43,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-11 14:56:43,474 INFO L87 Difference]: Start difference. First operand 202 states and 213 transitions. Second operand 10 states. [2018-04-11 14:56:43,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:43,683 INFO L93 Difference]: Finished difference Result 240 states and 251 transitions. [2018-04-11 14:56:43,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 14:56:43,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-04-11 14:56:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:43,683 INFO L225 Difference]: With dead ends: 240 [2018-04-11 14:56:43,684 INFO L226 Difference]: Without dead ends: 240 [2018-04-11 14:56:43,684 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:56:43,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-04-11 14:56:43,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2018-04-11 14:56:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-11 14:56:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 217 transitions. [2018-04-11 14:56:43,686 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 217 transitions. Word has length 50 [2018-04-11 14:56:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:43,687 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 217 transitions. [2018-04-11 14:56:43,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 14:56:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 217 transitions. [2018-04-11 14:56:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-11 14:56:43,687 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:43,687 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] [2018-04-11 14:56:43,687 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:43,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1394859148, now seen corresponding path program 1 times [2018-04-11 14:56:43,688 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:43,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,742 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:43,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 14:56:43,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,743 INFO L182 omatonBuilderFactory]: Interpolants [8723#true, 8724#false, 8725#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8726#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 8727#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 8728#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 8729#(= 0 |main_#t~mem13.offset|), 8730#(= 0 main_~x~0.offset), 8731#(= main_~head~0.offset 0)] [2018-04-11 14:56:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:43,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 14:56:43,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 14:56:43,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-11 14:56:43,743 INFO L87 Difference]: Start difference. First operand 206 states and 217 transitions. Second operand 9 states. [2018-04-11 14:56:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:43,904 INFO L93 Difference]: Finished difference Result 253 states and 260 transitions. [2018-04-11 14:56:43,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 14:56:43,905 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-04-11 14:56:43,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:43,905 INFO L225 Difference]: With dead ends: 253 [2018-04-11 14:56:43,905 INFO L226 Difference]: Without dead ends: 253 [2018-04-11 14:56:43,906 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:43,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-11 14:56:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 202. [2018-04-11 14:56:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-11 14:56:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 212 transitions. [2018-04-11 14:56:43,908 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 212 transitions. Word has length 50 [2018-04-11 14:56:43,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:43,908 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 212 transitions. [2018-04-11 14:56:43,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 14:56:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 212 transitions. [2018-04-11 14:56:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:43,909 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:43,909 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:43,909 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:43,910 INFO L82 PathProgramCache]: Analyzing trace with hash 170946521, now seen corresponding path program 1 times [2018-04-11 14:56:43,910 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:43,920 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,134 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:44,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 14:56:44,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,135 INFO L182 omatonBuilderFactory]: Interpolants [9203#true, 9204#false, 9205#(= |#valid| |old(#valid)|), 9206#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 9207#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 9208#(and (= main_~x~0.offset main_~head~0.offset) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 9209#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9210#(and (= main_~x~0.offset main_~head~0.offset) (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc4.base| 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 9211#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 9212#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 9213#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 9214#(and (= (store (store |#valid| main_~x~0.base 0) |main_#t~mem15.base| 0) |old(#valid)|) (not (= |main_#t~mem15.base| main_~x~0.base))), 9215#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-11 14:56:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 14:56:44,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 14:56:44,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:56:44,135 INFO L87 Difference]: Start difference. First operand 202 states and 212 transitions. Second operand 13 states. [2018-04-11 14:56:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:44,417 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2018-04-11 14:56:44,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 14:56:44,418 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-04-11 14:56:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:44,418 INFO L225 Difference]: With dead ends: 218 [2018-04-11 14:56:44,418 INFO L226 Difference]: Without dead ends: 204 [2018-04-11 14:56:44,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2018-04-11 14:56:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-04-11 14:56:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2018-04-11 14:56:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-11 14:56:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 200 transitions. [2018-04-11 14:56:44,420 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 200 transitions. Word has length 53 [2018-04-11 14:56:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:44,420 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 200 transitions. [2018-04-11 14:56:44,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 14:56:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2018-04-11 14:56:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:44,421 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:44,421 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:44,421 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1802660308, now seen corresponding path program 1 times [2018-04-11 14:56:44,421 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:44,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,598 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:44,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 14:56:44,598 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,598 INFO L182 omatonBuilderFactory]: Interpolants [9641#true, 9642#false, 9643#(= 0 |main_#t~malloc0.offset|), 9644#(= main_~head~0.offset 0), 9645#(and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9646#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 9647#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9648#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9649#(and (not (= |main_#t~mem5.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 9650#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 9651#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9652#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))), 9653#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem12| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))] [2018-04-11 14:56:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 14:56:44,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 14:56:44,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:56:44,599 INFO L87 Difference]: Start difference. First operand 191 states and 200 transitions. Second operand 13 states. [2018-04-11 14:56:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:44,796 INFO L93 Difference]: Finished difference Result 209 states and 215 transitions. [2018-04-11 14:56:44,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 14:56:44,796 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-04-11 14:56:44,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:44,797 INFO L225 Difference]: With dead ends: 209 [2018-04-11 14:56:44,797 INFO L226 Difference]: Without dead ends: 183 [2018-04-11 14:56:44,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:56:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-11 14:56:44,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 160. [2018-04-11 14:56:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 14:56:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 168 transitions. [2018-04-11 14:56:44,798 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 168 transitions. Word has length 53 [2018-04-11 14:56:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:44,799 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 168 transitions. [2018-04-11 14:56:44,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 14:56:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 168 transitions. [2018-04-11 14:56:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:44,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:44,799 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] [2018-04-11 14:56:44,799 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:44,799 INFO L82 PathProgramCache]: Analyzing trace with hash -919692259, now seen corresponding path program 2 times [2018-04-11 14:56:44,800 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:44,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:44,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:56:44,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,964 INFO L182 omatonBuilderFactory]: Interpolants [10048#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10049#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 10050#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 10051#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base main_~head~0.base))), 10052#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 10053#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 10054#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 10055#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 10056#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 10057#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10058#(= 1 (select |#valid| |main_#t~mem8.base|)), 10059#(= 1 (select |#valid| main_~x~0.base)), 10043#true, 10044#false, 10045#(= 1 (select |#valid| main_~head~0.base)), 10046#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 10047#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|)))] [2018-04-11 14:56:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:44,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:44,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:44,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:44,965 INFO L87 Difference]: Start difference. First operand 160 states and 168 transitions. Second operand 17 states. [2018-04-11 14:56:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:45,618 INFO L93 Difference]: Finished difference Result 232 states and 241 transitions. [2018-04-11 14:56:45,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 14:56:45,618 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 14:56:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:45,619 INFO L225 Difference]: With dead ends: 232 [2018-04-11 14:56:45,619 INFO L226 Difference]: Without dead ends: 232 [2018-04-11 14:56:45,620 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 14:56:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-11 14:56:45,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 171. [2018-04-11 14:56:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-11 14:56:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2018-04-11 14:56:45,622 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 53 [2018-04-11 14:56:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:45,622 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2018-04-11 14:56:45,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2018-04-11 14:56:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:45,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:45,623 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] [2018-04-11 14:56:45,623 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:45,623 INFO L82 PathProgramCache]: Analyzing trace with hash -919692258, now seen corresponding path program 2 times [2018-04-11 14:56:45,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:45,632 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:45,894 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:45,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:56:45,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:45,894 INFO L182 omatonBuilderFactory]: Interpolants [10497#true, 10498#false, 10499#(= 1 (select |#valid| main_~head~0.base)), 10500#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 10501#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 10502#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10503#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 10504#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 10505#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 10506#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 10507#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 10508#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 10509#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 10510#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 10511#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10512#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 10513#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:56:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:45,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:45,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:45,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:45,895 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand 17 states. [2018-04-11 14:56:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:46,580 INFO L93 Difference]: Finished difference Result 280 states and 289 transitions. [2018-04-11 14:56:46,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:46,580 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 14:56:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:46,581 INFO L225 Difference]: With dead ends: 280 [2018-04-11 14:56:46,581 INFO L226 Difference]: Without dead ends: 280 [2018-04-11 14:56:46,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 14:56:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-04-11 14:56:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 169. [2018-04-11 14:56:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-11 14:56:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-04-11 14:56:46,583 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 53 [2018-04-11 14:56:46,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:46,583 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-04-11 14:56:46,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-04-11 14:56:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:46,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:46,583 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] [2018-04-11 14:56:46,583 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:46,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1498005594, now seen corresponding path program 1 times [2018-04-11 14:56:46,584 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:46,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:46,781 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:46,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:56:46,781 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:46,781 INFO L182 omatonBuilderFactory]: Interpolants [11008#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 11009#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 11010#(= 1 (select |#valid| |main_#t~mem10.base|)), 11011#(= 1 (select |#valid| main_~x~0.base)), 10995#true, 10996#false, 10997#(= 1 (select |#valid| main_~head~0.base)), 10998#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 10999#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 11000#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11001#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 11002#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 11003#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base main_~head~0.base))), 11004#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 11005#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 11006#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 11007#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0)))] [2018-04-11 14:56:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:46,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:46,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:46,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:46,782 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 17 states. [2018-04-11 14:56:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:47,432 INFO L93 Difference]: Finished difference Result 245 states and 255 transitions. [2018-04-11 14:56:47,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 14:56:47,432 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 14:56:47,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:47,433 INFO L225 Difference]: With dead ends: 245 [2018-04-11 14:56:47,433 INFO L226 Difference]: Without dead ends: 245 [2018-04-11 14:56:47,433 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=1027, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 14:56:47,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-04-11 14:56:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 177. [2018-04-11 14:56:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-04-11 14:56:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 187 transitions. [2018-04-11 14:56:47,435 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 187 transitions. Word has length 53 [2018-04-11 14:56:47,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:47,435 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 187 transitions. [2018-04-11 14:56:47,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 187 transitions. [2018-04-11 14:56:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 14:56:47,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:47,436 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] [2018-04-11 14:56:47,436 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:47,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1498005595, now seen corresponding path program 1 times [2018-04-11 14:56:47,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:47,442 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:47,680 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:47,680 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:56:47,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:47,681 INFO L182 omatonBuilderFactory]: Interpolants [11488#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 11472#true, 11473#false, 11474#(= 1 (select |#valid| main_~head~0.base)), 11475#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 11476#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 11477#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11478#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 11479#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 11480#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 11481#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 11482#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 11483#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 11484#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 11485#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 11486#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 11487#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|))] [2018-04-11 14:56:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:47,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:47,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:47,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:47,682 INFO L87 Difference]: Start difference. First operand 177 states and 187 transitions. Second operand 17 states. [2018-04-11 14:56:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:48,475 INFO L93 Difference]: Finished difference Result 283 states and 292 transitions. [2018-04-11 14:56:48,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:48,475 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 14:56:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:48,476 INFO L225 Difference]: With dead ends: 283 [2018-04-11 14:56:48,476 INFO L226 Difference]: Without dead ends: 283 [2018-04-11 14:56:48,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 14:56:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-04-11 14:56:48,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 169. [2018-04-11 14:56:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-11 14:56:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-04-11 14:56:48,478 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 53 [2018-04-11 14:56:48,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:48,478 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-04-11 14:56:48,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-04-11 14:56:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 14:56:48,479 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:48,479 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] [2018-04-11 14:56:48,479 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:48,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1168750623, now seen corresponding path program 3 times [2018-04-11 14:56:48,480 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:48,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:48,696 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:48,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:56:48,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:48,696 INFO L182 omatonBuilderFactory]: Interpolants [11973#true, 11974#false, 11975#(= 1 (select |#valid| main_~head~0.base)), 11976#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 11977#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11978#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 11979#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 11980#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 11981#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 11982#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 11983#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 11984#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 11985#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 11986#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 11987#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 11988#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 11989#(= 1 (select |#valid| |main_#t~mem8.base|)), 11990#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:56:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:48,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 14:56:48,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 14:56:48,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-11 14:56:48,697 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 18 states. [2018-04-11 14:56:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:49,274 INFO L93 Difference]: Finished difference Result 292 states and 305 transitions. [2018-04-11 14:56:49,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 14:56:49,275 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-04-11 14:56:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:49,275 INFO L225 Difference]: With dead ends: 292 [2018-04-11 14:56:49,275 INFO L226 Difference]: Without dead ends: 292 [2018-04-11 14:56:49,276 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=279, Invalid=1127, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 14:56:49,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-04-11 14:56:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 200. [2018-04-11 14:56:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 14:56:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions. [2018-04-11 14:56:49,278 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 55 [2018-04-11 14:56:49,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:49,278 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 212 transitions. [2018-04-11 14:56:49,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 14:56:49,278 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions. [2018-04-11 14:56:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 14:56:49,278 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:49,278 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] [2018-04-11 14:56:49,278 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:49,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1168750622, now seen corresponding path program 3 times [2018-04-11 14:56:49,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:49,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:49,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:49,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 14:56:49,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:49,663 INFO L182 omatonBuilderFactory]: Interpolants [12523#true, 12524#false, 12525#(= 1 (select |#valid| main_~head~0.base)), 12526#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 12527#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 12528#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 12529#(and (= 8 (select |#length| |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12530#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12531#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12532#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12533#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12534#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12535#(and (not (= main_~x~0.base main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12536#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12537#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 12538#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 12539#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 12540#(and (= 0 |main_#t~mem8.offset|) (<= 8 (select |#length| |main_#t~mem8.base|))), 12541#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-04-11 14:56:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:49,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 14:56:49,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 14:56:49,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-04-11 14:56:49,663 INFO L87 Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 19 states. [2018-04-11 14:56:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:50,408 INFO L93 Difference]: Finished difference Result 340 states and 353 transitions. [2018-04-11 14:56:50,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 14:56:50,408 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-04-11 14:56:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:50,409 INFO L225 Difference]: With dead ends: 340 [2018-04-11 14:56:50,409 INFO L226 Difference]: Without dead ends: 340 [2018-04-11 14:56:50,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=266, Invalid=1140, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 14:56:50,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-11 14:56:50,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 192. [2018-04-11 14:56:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-11 14:56:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 203 transitions. [2018-04-11 14:56:50,411 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 203 transitions. Word has length 55 [2018-04-11 14:56:50,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:50,412 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 203 transitions. [2018-04-11 14:56:50,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 14:56:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 203 transitions. [2018-04-11 14:56:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 14:56:50,412 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:50,412 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] [2018-04-11 14:56:50,412 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:50,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1248947230, now seen corresponding path program 2 times [2018-04-11 14:56:50,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:50,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:50,561 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:50,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 14:56:50,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:50,561 INFO L182 omatonBuilderFactory]: Interpolants [13120#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 13121#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 13122#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 13123#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 13124#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 13125#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13126#(= 1 (select |#valid| |main_#t~mem10.base|)), 13127#(= 1 (select |#valid| main_~x~0.base)), 13112#true, 13113#false, 13114#(= 1 (select |#valid| main_~head~0.base)), 13115#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 13116#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base |main_#t~malloc2.base|))), 13117#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13118#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= (select |#valid| main_~head~0.base) 1)), 13119#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-11 14:56:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:50,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 14:56:50,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 14:56:50,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:56:50,562 INFO L87 Difference]: Start difference. First operand 192 states and 203 transitions. Second operand 16 states. [2018-04-11 14:56:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:51,052 INFO L93 Difference]: Finished difference Result 294 states and 307 transitions. [2018-04-11 14:56:51,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:51,052 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2018-04-11 14:56:51,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:51,054 INFO L225 Difference]: With dead ends: 294 [2018-04-11 14:56:51,054 INFO L226 Difference]: Without dead ends: 294 [2018-04-11 14:56:51,054 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=784, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:56:51,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-04-11 14:56:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 200. [2018-04-11 14:56:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 14:56:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions. [2018-04-11 14:56:51,057 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 55 [2018-04-11 14:56:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:51,057 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 212 transitions. [2018-04-11 14:56:51,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 14:56:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions. [2018-04-11 14:56:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 14:56:51,058 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:51,058 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] [2018-04-11 14:56:51,058 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:51,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1248947231, now seen corresponding path program 2 times [2018-04-11 14:56:51,059 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:51,066 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:51,424 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:51,424 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:56:51,424 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:51,425 INFO L182 omatonBuilderFactory]: Interpolants [13664#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13665#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13666#(and (not (= main_~x~0.base main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13667#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13668#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13669#(and (<= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 13670#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base))), 13654#true, 13655#false, 13656#(= 1 (select |#valid| main_~head~0.base)), 13657#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13658#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 13659#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13660#(and (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13661#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13662#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13663#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1))] [2018-04-11 14:56:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:51,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:51,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:51,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:51,425 INFO L87 Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 17 states. [2018-04-11 14:56:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:52,011 INFO L93 Difference]: Finished difference Result 332 states and 344 transitions. [2018-04-11 14:56:52,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:52,011 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2018-04-11 14:56:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:52,012 INFO L225 Difference]: With dead ends: 332 [2018-04-11 14:56:52,012 INFO L226 Difference]: Without dead ends: 332 [2018-04-11 14:56:52,012 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=194, Invalid=798, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:56:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-04-11 14:56:52,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 189. [2018-04-11 14:56:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-04-11 14:56:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 199 transitions. [2018-04-11 14:56:52,015 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 199 transitions. Word has length 55 [2018-04-11 14:56:52,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:52,015 INFO L459 AbstractCegarLoop]: Abstraction has 189 states and 199 transitions. [2018-04-11 14:56:52,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 199 transitions. [2018-04-11 14:56:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 14:56:52,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:52,016 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:52,016 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:52,016 INFO L82 PathProgramCache]: Analyzing trace with hash 109580897, now seen corresponding path program 1 times [2018-04-11 14:56:52,017 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:52,022 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,103 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:52,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 14:56:52,103 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,104 INFO L182 omatonBuilderFactory]: Interpolants [14224#(= 1 (select |#valid| main_~head~0.base)), 14225#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14226#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 14227#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14228#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14229#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14230#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 14231#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14232#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 14233#(= |main_#t~mem15.offset| 0), 14222#true, 14223#false] [2018-04-11 14:56:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 14:56:52,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 14:56:52,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:52,105 INFO L87 Difference]: Start difference. First operand 189 states and 199 transitions. Second operand 12 states. [2018-04-11 14:56:52,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:52,412 INFO L93 Difference]: Finished difference Result 325 states and 337 transitions. [2018-04-11 14:56:52,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 14:56:52,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-04-11 14:56:52,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:52,413 INFO L225 Difference]: With dead ends: 325 [2018-04-11 14:56:52,413 INFO L226 Difference]: Without dead ends: 325 [2018-04-11 14:56:52,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:56:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-11 14:56:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 248. [2018-04-11 14:56:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-11 14:56:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 270 transitions. [2018-04-11 14:56:52,416 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 270 transitions. Word has length 56 [2018-04-11 14:56:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:52,416 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 270 transitions. [2018-04-11 14:56:52,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 14:56:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 270 transitions. [2018-04-11 14:56:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 14:56:52,416 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:52,416 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:52,416 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:52,416 INFO L82 PathProgramCache]: Analyzing trace with hash -897959236, now seen corresponding path program 1 times [2018-04-11 14:56:52,417 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:52,421 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:56:52,454 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:56:52,454 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 14:56:52,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,455 INFO L182 omatonBuilderFactory]: Interpolants [14832#(= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 14833#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 14834#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 14835#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 14836#(= 1 (select |#valid| |main_#t~mem15.base|)), 14829#true, 14830#false, 14831#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:56:52,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 14:56:52,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 14:56:52,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 14:56:52,455 INFO L87 Difference]: Start difference. First operand 248 states and 270 transitions. Second operand 8 states. [2018-04-11 14:56:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:52,596 INFO L93 Difference]: Finished difference Result 315 states and 337 transitions. [2018-04-11 14:56:52,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:56:52,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2018-04-11 14:56:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:52,597 INFO L225 Difference]: With dead ends: 315 [2018-04-11 14:56:52,597 INFO L226 Difference]: Without dead ends: 315 [2018-04-11 14:56:52,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:56:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-04-11 14:56:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 292. [2018-04-11 14:56:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-11 14:56:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 320 transitions. [2018-04-11 14:56:52,600 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 320 transitions. Word has length 57 [2018-04-11 14:56:52,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:52,600 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 320 transitions. [2018-04-11 14:56:52,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 14:56:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 320 transitions. [2018-04-11 14:56:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 14:56:52,600 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:52,600 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:52,600 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:52,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1607295740, now seen corresponding path program 1 times [2018-04-11 14:56:52,601 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:52,606 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,765 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:52,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:56:52,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,766 INFO L182 omatonBuilderFactory]: Interpolants [15456#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 15457#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15458#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15459#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15460#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 15461#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 15462#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|) (not (= main_~head~0.base |main_#t~mem10.base|))), 15463#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 15464#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15465#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15466#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15467#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))), 15468#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 15469#(= 1 (select |#valid| main_~x~0.base)), 15452#true, 15453#false, 15454#(= 1 (select |#valid| main_~head~0.base)), 15455#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:52,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 14:56:52,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 14:56:52,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2018-04-11 14:56:52,766 INFO L87 Difference]: Start difference. First operand 292 states and 320 transitions. Second operand 18 states. [2018-04-11 14:56:53,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:53,278 INFO L93 Difference]: Finished difference Result 384 states and 401 transitions. [2018-04-11 14:56:53,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 14:56:53,279 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2018-04-11 14:56:53,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:53,280 INFO L225 Difference]: With dead ends: 384 [2018-04-11 14:56:53,280 INFO L226 Difference]: Without dead ends: 384 [2018-04-11 14:56:53,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=232, Invalid=958, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 14:56:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-04-11 14:56:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 299. [2018-04-11 14:56:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-11 14:56:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 328 transitions. [2018-04-11 14:56:53,286 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 328 transitions. Word has length 57 [2018-04-11 14:56:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:53,286 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 328 transitions. [2018-04-11 14:56:53,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 14:56:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 328 transitions. [2018-04-11 14:56:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 14:56:53,287 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:53,287 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:53,287 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:53,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1607295739, now seen corresponding path program 1 times [2018-04-11 14:56:53,288 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:53,296 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:53,486 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:53,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 14:56:53,486 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:53,486 INFO L182 omatonBuilderFactory]: Interpolants [16192#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 16193#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16194#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16195#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 16196#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 16197#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16198#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16199#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16200#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 16201#(and (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 16202#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 16187#true, 16188#false, 16189#(= 1 (select |#valid| main_~head~0.base)), 16190#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 16191#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|)))] [2018-04-11 14:56:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:53,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 14:56:53,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 14:56:53,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:56:53,487 INFO L87 Difference]: Start difference. First operand 299 states and 328 transitions. Second operand 16 states. [2018-04-11 14:56:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:54,082 INFO L93 Difference]: Finished difference Result 392 states and 408 transitions. [2018-04-11 14:56:54,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:54,082 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2018-04-11 14:56:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:54,083 INFO L225 Difference]: With dead ends: 392 [2018-04-11 14:56:54,083 INFO L226 Difference]: Without dead ends: 392 [2018-04-11 14:56:54,084 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:56:54,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-04-11 14:56:54,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 301. [2018-04-11 14:56:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-04-11 14:56:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 330 transitions. [2018-04-11 14:56:54,089 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 330 transitions. Word has length 57 [2018-04-11 14:56:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:54,089 INFO L459 AbstractCegarLoop]: Abstraction has 301 states and 330 transitions. [2018-04-11 14:56:54,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 14:56:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 330 transitions. [2018-04-11 14:56:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 14:56:54,089 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:54,089 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:54,089 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 966643807, now seen corresponding path program 1 times [2018-04-11 14:56:54,090 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:54,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,236 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:54,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 14:56:54,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,237 INFO L182 omatonBuilderFactory]: Interpolants [16928#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 16929#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 16930#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 16931#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 16932#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 16933#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 16934#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 16935#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 16936#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 16937#(and (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem15.base| main_~x~0.base))), 16938#(= 1 (select |#valid| main_~x~0.base)), 16924#true, 16925#false, 16926#(= 1 (select |#valid| main_~head~0.base)), 16927#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 14:56:54,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 14:56:54,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:56:54,238 INFO L87 Difference]: Start difference. First operand 301 states and 330 transitions. Second operand 15 states. [2018-04-11 14:56:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:54,610 INFO L93 Difference]: Finished difference Result 371 states and 391 transitions. [2018-04-11 14:56:54,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:56:54,610 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-04-11 14:56:54,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:54,610 INFO L225 Difference]: With dead ends: 371 [2018-04-11 14:56:54,611 INFO L226 Difference]: Without dead ends: 371 [2018-04-11 14:56:54,611 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2018-04-11 14:56:54,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-11 14:56:54,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 307. [2018-04-11 14:56:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-04-11 14:56:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 337 transitions. [2018-04-11 14:56:54,614 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 337 transitions. Word has length 61 [2018-04-11 14:56:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:54,614 INFO L459 AbstractCegarLoop]: Abstraction has 307 states and 337 transitions. [2018-04-11 14:56:54,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 14:56:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 337 transitions. [2018-04-11 14:56:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 14:56:54,615 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:54,615 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 14:56:54,615 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:54,616 INFO L82 PathProgramCache]: Analyzing trace with hash -602090043, now seen corresponding path program 1 times [2018-04-11 14:56:54,616 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:54,622 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,733 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:54,734 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 14:56:54,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,734 INFO L182 omatonBuilderFactory]: Interpolants [17641#true, 17642#false, 17643#(= 1 (select |#valid| main_~head~0.base)), 17644#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17645#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 17646#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 17647#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17648#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17649#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 17650#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 17651#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 17652#(= 0 |main_#t~mem13.offset|), 17653#(= 0 main_~x~0.offset), 17654#(= main_~head~0.offset 0)] [2018-04-11 14:56:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:54,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 14:56:54,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 14:56:54,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-04-11 14:56:54,735 INFO L87 Difference]: Start difference. First operand 307 states and 337 transitions. Second operand 14 states. [2018-04-11 14:56:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:55,114 INFO L93 Difference]: Finished difference Result 382 states and 401 transitions. [2018-04-11 14:56:55,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 14:56:55,114 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2018-04-11 14:56:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:55,115 INFO L225 Difference]: With dead ends: 382 [2018-04-11 14:56:55,115 INFO L226 Difference]: Without dead ends: 382 [2018-04-11 14:56:55,115 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2018-04-11 14:56:55,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-04-11 14:56:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 317. [2018-04-11 14:56:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-11 14:56:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 352 transitions. [2018-04-11 14:56:55,118 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 352 transitions. Word has length 61 [2018-04-11 14:56:55,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:55,118 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 352 transitions. [2018-04-11 14:56:55,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 14:56:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 352 transitions. [2018-04-11 14:56:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-11 14:56:55,118 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:55,118 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2018-04-11 14:56:55,118 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:55,118 INFO L82 PathProgramCache]: Analyzing trace with hash 561654640, now seen corresponding path program 4 times [2018-04-11 14:56:55,119 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:55,126 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:56:55,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:55,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 14:56:55,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:55,659 INFO L182 omatonBuilderFactory]: Interpolants [18382#true, 18383#false, 18384#(= 0 |main_#t~malloc0.offset|), 18385#(= main_~head~0.offset 0), 18386#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 18387#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 18388#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 18389#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 18390#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18391#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18392#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18393#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18394#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18395#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18396#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18397#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18398#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18399#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18400#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 18401#(or (and (not (= |main_#t~mem7| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 18402#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18403#(and (= 0 |main_#t~mem8.offset|) (not (= 0 (select (select |#memory_int| |main_#t~mem8.base|) (+ 0 4))))), 18404#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (<= (+ main_~x~0.offset 1) 0)), 18405#(or (<= (+ main_~x~0.offset 1) 0) (not (= 0 |main_#t~mem7|))), 18406#(<= (+ main_~x~0.offset 1) 0)] [2018-04-11 14:56:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:56:55,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:56:55,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:56:55,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:56:55,660 INFO L87 Difference]: Start difference. First operand 317 states and 352 transitions. Second operand 25 states. [2018-04-11 14:56:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:56,483 INFO L93 Difference]: Finished difference Result 329 states and 345 transitions. [2018-04-11 14:56:56,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 14:56:56,484 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 62 [2018-04-11 14:56:56,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:56,484 INFO L225 Difference]: With dead ends: 329 [2018-04-11 14:56:56,484 INFO L226 Difference]: Without dead ends: 324 [2018-04-11 14:56:56,485 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=430, Invalid=1922, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 14:56:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-04-11 14:56:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 281. [2018-04-11 14:56:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-04-11 14:56:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions. [2018-04-11 14:56:56,487 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 62 [2018-04-11 14:56:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:56,487 INFO L459 AbstractCegarLoop]: Abstraction has 281 states and 305 transitions. [2018-04-11 14:56:56,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:56:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions. [2018-04-11 14:56:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-11 14:56:56,488 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:56,488 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:56:56,488 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:56,488 INFO L82 PathProgramCache]: Analyzing trace with hash -469807128, now seen corresponding path program 1 times [2018-04-11 14:56:56,488 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:56,494 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:56,836 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:56,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:56:56,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:56,837 INFO L182 omatonBuilderFactory]: Interpolants [19072#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 19073#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 19074#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19075#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19076#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 19077#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 19078#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem5.base|))), 19079#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 19080#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 19081#(and (= main_~x~0.offset 0) (= 0 |main_#t~mem6|) (= main_~head~0.offset 0)), 19065#true, 19066#false, 19067#(= 0 |main_#t~malloc0.offset|), 19068#(= main_~head~0.offset 0), 19069#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 19070#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19071#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-04-11 14:56:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:56,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:56:56,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:56:56,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:56:56,838 INFO L87 Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 17 states. [2018-04-11 14:56:57,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:57,280 INFO L93 Difference]: Finished difference Result 279 states and 292 transitions. [2018-04-11 14:56:57,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 14:56:57,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 64 [2018-04-11 14:56:57,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:57,281 INFO L225 Difference]: With dead ends: 279 [2018-04-11 14:56:57,281 INFO L226 Difference]: Without dead ends: 279 [2018-04-11 14:56:57,282 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:56:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-04-11 14:56:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 255. [2018-04-11 14:56:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-04-11 14:56:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 277 transitions. [2018-04-11 14:56:57,284 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 277 transitions. Word has length 64 [2018-04-11 14:56:57,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:57,284 INFO L459 AbstractCegarLoop]: Abstraction has 255 states and 277 transitions. [2018-04-11 14:56:57,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:56:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 277 transitions. [2018-04-11 14:56:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-11 14:56:57,285 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:57,285 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] [2018-04-11 14:56:57,285 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:57,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1560445908, now seen corresponding path program 5 times [2018-04-11 14:56:57,286 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:57,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:57,563 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:57,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 14:56:57,564 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:57,564 INFO L182 omatonBuilderFactory]: Interpolants [19648#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 19649#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 19650#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19651#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 19652#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 19653#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 19654#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 19655#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 19656#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19657#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19658#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19659#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 19660#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 19661#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 19662#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 19663#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 19664#(= 1 (select |#valid| |main_#t~mem8.base|)), 19665#(= 1 (select |#valid| main_~x~0.base)), 19644#true, 19645#false, 19646#(= 1 (select |#valid| main_~head~0.base)), 19647#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:56:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:57,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 14:56:57,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 14:56:57,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-04-11 14:56:57,565 INFO L87 Difference]: Start difference. First operand 255 states and 277 transitions. Second operand 22 states. [2018-04-11 14:56:58,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:56:58,524 INFO L93 Difference]: Finished difference Result 346 states and 373 transitions. [2018-04-11 14:56:58,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:56:58,524 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-04-11 14:56:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:56:58,525 INFO L225 Difference]: With dead ends: 346 [2018-04-11 14:56:58,525 INFO L226 Difference]: Without dead ends: 346 [2018-04-11 14:56:58,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1631, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 14:56:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-11 14:56:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 263. [2018-04-11 14:56:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-04-11 14:56:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 286 transitions. [2018-04-11 14:56:58,527 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 286 transitions. Word has length 64 [2018-04-11 14:56:58,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:56:58,527 INFO L459 AbstractCegarLoop]: Abstraction has 263 states and 286 transitions. [2018-04-11 14:56:58,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 14:56:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-04-11 14:56:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-11 14:56:58,528 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:56:58,528 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] [2018-04-11 14:56:58,528 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:56:58,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1560445907, now seen corresponding path program 4 times [2018-04-11 14:56:58,528 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:56:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:56:58,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:56:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:58,938 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:56:58,938 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 14:56:58,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:56:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:58,939 INFO L182 omatonBuilderFactory]: Interpolants [20320#false, 20321#(= 1 (select |#valid| main_~head~0.base)), 20322#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 20323#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 20324#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 20325#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 20326#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20327#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20328#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 20329#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 20330#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20331#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20332#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20333#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 20334#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 20335#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 20336#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 20337#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 20338#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 20339#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 20340#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 20319#true] [2018-04-11 14:56:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:56:58,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 14:56:58,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 14:56:58,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2018-04-11 14:56:58,939 INFO L87 Difference]: Start difference. First operand 263 states and 286 transitions. Second operand 22 states. [2018-04-11 14:57:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:00,178 INFO L93 Difference]: Finished difference Result 396 states and 423 transitions. [2018-04-11 14:57:00,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 14:57:00,178 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-04-11 14:57:00,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:00,179 INFO L225 Difference]: With dead ends: 396 [2018-04-11 14:57:00,179 INFO L226 Difference]: Without dead ends: 396 [2018-04-11 14:57:00,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=1359, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 14:57:00,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-04-11 14:57:00,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 264. [2018-04-11 14:57:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-04-11 14:57:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 287 transitions. [2018-04-11 14:57:00,181 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 287 transitions. Word has length 64 [2018-04-11 14:57:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:00,181 INFO L459 AbstractCegarLoop]: Abstraction has 264 states and 287 transitions. [2018-04-11 14:57:00,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 14:57:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 287 transitions. [2018-04-11 14:57:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-11 14:57:00,182 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:00,182 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] [2018-04-11 14:57:00,182 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:00,182 INFO L82 PathProgramCache]: Analyzing trace with hash 857251945, now seen corresponding path program 2 times [2018-04-11 14:57:00,182 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:00,191 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:00,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:00,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 14:57:00,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:00,426 INFO L182 omatonBuilderFactory]: Interpolants [21056#(= 1 (select |#valid| |main_#t~mem10.base|)), 21057#(= 1 (select |#valid| main_~x~0.base)), 21037#true, 21038#false, 21039#(= 1 (select |#valid| main_~head~0.base)), 21040#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 21041#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 21042#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 21043#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21044#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21045#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21046#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 21047#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 21048#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 21049#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21050#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21051#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 21052#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 21053#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 21054#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 21055#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-11 14:57:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:00,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 14:57:00,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 14:57:00,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2018-04-11 14:57:00,426 INFO L87 Difference]: Start difference. First operand 264 states and 287 transitions. Second operand 21 states. [2018-04-11 14:57:01,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:01,297 INFO L93 Difference]: Finished difference Result 359 states and 387 transitions. [2018-04-11 14:57:01,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:57:01,297 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 64 [2018-04-11 14:57:01,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:01,298 INFO L225 Difference]: With dead ends: 359 [2018-04-11 14:57:01,298 INFO L226 Difference]: Without dead ends: 359 [2018-04-11 14:57:01,298 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=1477, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 14:57:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-11 14:57:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 272. [2018-04-11 14:57:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 14:57:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 296 transitions. [2018-04-11 14:57:01,300 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 296 transitions. Word has length 64 [2018-04-11 14:57:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:01,300 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 296 transitions. [2018-04-11 14:57:01,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 14:57:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 296 transitions. [2018-04-11 14:57:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-11 14:57:01,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:01,301 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] [2018-04-11 14:57:01,301 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:01,301 INFO L82 PathProgramCache]: Analyzing trace with hash 857251946, now seen corresponding path program 2 times [2018-04-11 14:57:01,301 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:01,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:01,746 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:01,746 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 14:57:01,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:01,747 INFO L182 omatonBuilderFactory]: Interpolants [21731#true, 21732#false, 21733#(= 1 (select |#valid| main_~head~0.base)), 21734#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 21735#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 21736#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 21737#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21738#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21739#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21740#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 21741#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 21742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21744#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21745#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 21746#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 21747#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 21748#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 21749#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 21750#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 21751#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 21752#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:01,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 14:57:01,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 14:57:01,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2018-04-11 14:57:01,748 INFO L87 Difference]: Start difference. First operand 272 states and 296 transitions. Second operand 22 states. [2018-04-11 14:57:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:02,920 INFO L93 Difference]: Finished difference Result 399 states and 426 transitions. [2018-04-11 14:57:02,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 14:57:02,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-04-11 14:57:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:02,921 INFO L225 Difference]: With dead ends: 399 [2018-04-11 14:57:02,921 INFO L226 Difference]: Without dead ends: 399 [2018-04-11 14:57:02,921 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=201, Invalid=1359, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 14:57:02,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-11 14:57:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 272. [2018-04-11 14:57:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 14:57:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2018-04-11 14:57:02,924 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 64 [2018-04-11 14:57:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:02,924 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2018-04-11 14:57:02,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 14:57:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2018-04-11 14:57:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:02,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:02,925 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:02,925 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:02,925 INFO L82 PathProgramCache]: Analyzing trace with hash -386406257, now seen corresponding path program 1 times [2018-04-11 14:57:02,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:02,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:57:02,976 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:02,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 14:57:02,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:02,976 INFO L182 omatonBuilderFactory]: Interpolants [22464#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 22465#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base))), 22466#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 22467#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 22468#(= 1 (select |#valid| |main_#t~mem15.base|)), 22460#true, 22461#false, 22462#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22463#(= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))] [2018-04-11 14:57:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:57:02,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 14:57:02,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 14:57:02,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 14:57:02,977 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 9 states. [2018-04-11 14:57:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:03,127 INFO L93 Difference]: Finished difference Result 320 states and 339 transitions. [2018-04-11 14:57:03,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:57:03,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2018-04-11 14:57:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:03,128 INFO L225 Difference]: With dead ends: 320 [2018-04-11 14:57:03,128 INFO L226 Difference]: Without dead ends: 320 [2018-04-11 14:57:03,128 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:57:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-04-11 14:57:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 242. [2018-04-11 14:57:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-04-11 14:57:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 260 transitions. [2018-04-11 14:57:03,130 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 260 transitions. Word has length 66 [2018-04-11 14:57:03,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:03,130 INFO L459 AbstractCegarLoop]: Abstraction has 242 states and 260 transitions. [2018-04-11 14:57:03,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 14:57:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 260 transitions. [2018-04-11 14:57:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:03,130 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:03,131 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:03,131 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:03,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1095742761, now seen corresponding path program 1 times [2018-04-11 14:57:03,131 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:03,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:03,308 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:03,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 14:57:03,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:03,308 INFO L182 omatonBuilderFactory]: Interpolants [23040#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 23041#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 23042#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 23043#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 23044#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 23045#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 23046#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 23047#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 23048#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 23049#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|))), 23050#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 23051#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 23052#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 23053#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 23054#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 23055#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))), 23056#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 23057#(= 1 (select |#valid| main_~x~0.base)), 23037#true, 23038#false, 23039#(= 1 (select |#valid| main_~head~0.base))] [2018-04-11 14:57:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:03,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 14:57:03,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 14:57:03,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-04-11 14:57:03,309 INFO L87 Difference]: Start difference. First operand 242 states and 260 transitions. Second operand 21 states. [2018-04-11 14:57:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:03,919 INFO L93 Difference]: Finished difference Result 284 states and 294 transitions. [2018-04-11 14:57:03,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:57:03,920 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 66 [2018-04-11 14:57:03,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:03,920 INFO L225 Difference]: With dead ends: 284 [2018-04-11 14:57:03,920 INFO L226 Difference]: Without dead ends: 284 [2018-04-11 14:57:03,921 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 14:57:03,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-04-11 14:57:03,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 242. [2018-04-11 14:57:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-04-11 14:57:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 259 transitions. [2018-04-11 14:57:03,922 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 259 transitions. Word has length 66 [2018-04-11 14:57:03,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:03,922 INFO L459 AbstractCegarLoop]: Abstraction has 242 states and 259 transitions. [2018-04-11 14:57:03,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 14:57:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 259 transitions. [2018-04-11 14:57:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:03,923 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:03,923 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:03,923 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:03,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1095742760, now seen corresponding path program 1 times [2018-04-11 14:57:03,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:03,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,135 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:04,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 14:57:04,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,136 INFO L182 omatonBuilderFactory]: Interpolants [23626#true, 23627#false, 23628#(= 1 (select |#valid| main_~head~0.base)), 23629#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 23630#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 23631#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 23632#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23633#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23634#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 23635#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 23636#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23637#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= |main_#t~mem7| 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23638#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23639#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23640#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23641#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23642#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 23643#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 23644#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-04-11 14:57:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 14:57:04,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 14:57:04,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-11 14:57:04,137 INFO L87 Difference]: Start difference. First operand 242 states and 259 transitions. Second operand 19 states. [2018-04-11 14:57:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:04,638 INFO L93 Difference]: Finished difference Result 285 states and 294 transitions. [2018-04-11 14:57:04,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 14:57:04,639 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 66 [2018-04-11 14:57:04,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:04,639 INFO L225 Difference]: With dead ends: 285 [2018-04-11 14:57:04,639 INFO L226 Difference]: Without dead ends: 285 [2018-04-11 14:57:04,640 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 14:57:04,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-04-11 14:57:04,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 241. [2018-04-11 14:57:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-04-11 14:57:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 254 transitions. [2018-04-11 14:57:04,641 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 254 transitions. Word has length 66 [2018-04-11 14:57:04,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:04,641 INFO L459 AbstractCegarLoop]: Abstraction has 241 states and 254 transitions. [2018-04-11 14:57:04,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 14:57:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 254 transitions. [2018-04-11 14:57:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:04,642 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:04,642 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 14:57:04,642 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:04,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1542283312, now seen corresponding path program 6 times [2018-04-11 14:57:04,643 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:04,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,937 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:04,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:04,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,937 INFO L182 omatonBuilderFactory]: Interpolants [24203#true, 24204#false, 24205#(= 0 |main_#t~malloc0.offset|), 24206#(= 0 main_~head~0.offset), 24207#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 24208#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 24209#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 24210#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24211#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24212#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 24213#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 24214#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 24215#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 24216#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 24217#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base))), 24218#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 24219#(and (= |main_#t~mem3.offset| main_~head~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24220#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 24221#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))), 24222#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24223#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 24224#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 24225#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 24226#(= 1 (select |#valid| |main_#t~mem8.base|)), 24227#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:04,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:04,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:04,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:04,938 INFO L87 Difference]: Start difference. First operand 241 states and 254 transitions. Second operand 25 states. [2018-04-11 14:57:06,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:06,118 INFO L93 Difference]: Finished difference Result 364 states and 380 transitions. [2018-04-11 14:57:06,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 14:57:06,118 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-04-11 14:57:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:06,119 INFO L225 Difference]: With dead ends: 364 [2018-04-11 14:57:06,119 INFO L226 Difference]: Without dead ends: 364 [2018-04-11 14:57:06,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=757, Invalid=2783, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:57:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-04-11 14:57:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 272. [2018-04-11 14:57:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 14:57:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 288 transitions. [2018-04-11 14:57:06,123 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 288 transitions. Word has length 66 [2018-04-11 14:57:06,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:06,123 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 288 transitions. [2018-04-11 14:57:06,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 288 transitions. [2018-04-11 14:57:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:06,124 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:06,124 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 14:57:06,124 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:06,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1542283313, now seen corresponding path program 5 times [2018-04-11 14:57:06,125 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:06,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:06,535 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:06,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:06,535 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:06,535 INFO L182 omatonBuilderFactory]: Interpolants [24934#true, 24935#false, 24936#(= 0 |main_#t~malloc0.offset|), 24937#(= 0 main_~head~0.offset), 24938#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 24939#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 24940#(and (= 0 main_~head~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 24941#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 24942#(and (= 0 main_~head~0.offset) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24943#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24944#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24945#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24946#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24947#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24948#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24949#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24950#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.offset| main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24951#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~head~0.base main_~x~0.base)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24952#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~head~0.base main_~x~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)))), 24953#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24954#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 24955#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 24956#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 24957#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 24958#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:06,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:06,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:06,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:06,536 INFO L87 Difference]: Start difference. First operand 272 states and 288 transitions. Second operand 25 states. [2018-04-11 14:57:07,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:07,765 INFO L93 Difference]: Finished difference Result 410 states and 426 transitions. [2018-04-11 14:57:07,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 14:57:07,765 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-04-11 14:57:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:07,766 INFO L225 Difference]: With dead ends: 410 [2018-04-11 14:57:07,766 INFO L226 Difference]: Without dead ends: 410 [2018-04-11 14:57:07,767 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=695, Invalid=2497, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 14:57:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-04-11 14:57:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 264. [2018-04-11 14:57:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-04-11 14:57:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 279 transitions. [2018-04-11 14:57:07,770 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 279 transitions. Word has length 66 [2018-04-11 14:57:07,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:07,770 INFO L459 AbstractCegarLoop]: Abstraction has 264 states and 279 transitions. [2018-04-11 14:57:07,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 279 transitions. [2018-04-11 14:57:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:07,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:07,771 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:07,771 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash -334986131, now seen corresponding path program 3 times [2018-04-11 14:57:07,772 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:07,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:08,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:08,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 14:57:08,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:08,072 INFO L182 omatonBuilderFactory]: Interpolants [25697#true, 25698#false, 25699#(= 0 |main_#t~malloc0.offset|), 25700#(= 0 main_~head~0.offset), 25701#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 25702#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25703#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 25704#(and (= 0 main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25705#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 25706#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25707#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 25708#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25709#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 25710#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 25711#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base))), 25712#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 25713#(and (= |main_#t~mem3.offset| main_~head~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 25714#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 25715#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))), 25716#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 25717#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 25718#(= 1 (select |#valid| |main_#t~mem10.base|)), 25719#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:08,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 14:57:08,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 14:57:08,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:57:08,073 INFO L87 Difference]: Start difference. First operand 264 states and 279 transitions. Second operand 23 states. [2018-04-11 14:57:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:09,011 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2018-04-11 14:57:09,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 14:57:09,012 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-04-11 14:57:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:09,012 INFO L225 Difference]: With dead ends: 366 [2018-04-11 14:57:09,012 INFO L226 Difference]: Without dead ends: 366 [2018-04-11 14:57:09,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=588, Invalid=2064, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 14:57:09,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-04-11 14:57:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 272. [2018-04-11 14:57:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 14:57:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 288 transitions. [2018-04-11 14:57:09,015 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 288 transitions. Word has length 66 [2018-04-11 14:57:09,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:09,015 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 288 transitions. [2018-04-11 14:57:09,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 14:57:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 288 transitions. [2018-04-11 14:57:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 14:57:09,015 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:09,016 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:09,016 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:09,016 INFO L82 PathProgramCache]: Analyzing trace with hash -334986130, now seen corresponding path program 3 times [2018-04-11 14:57:09,016 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:09,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:09,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:09,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 14:57:09,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:09,378 INFO L182 omatonBuilderFactory]: Interpolants [26432#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.offset| main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26433#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~head~0.base main_~x~0.base)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26434#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~head~0.base main_~x~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)))), 26435#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26436#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 26437#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 26438#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 26416#true, 26417#false, 26418#(= 0 |main_#t~malloc0.offset|), 26419#(= 0 main_~head~0.offset), 26420#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 26421#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26422#(and (= 0 main_~head~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 26423#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26424#(and (= 0 main_~head~0.offset) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26425#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26426#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26427#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26428#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26429#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26430#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26431#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-11 14:57:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:09,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 14:57:09,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 14:57:09,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:57:09,379 INFO L87 Difference]: Start difference. First operand 272 states and 288 transitions. Second operand 23 states. [2018-04-11 14:57:10,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:10,229 INFO L93 Difference]: Finished difference Result 402 states and 417 transitions. [2018-04-11 14:57:10,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:57:10,229 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-04-11 14:57:10,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:10,230 INFO L225 Difference]: With dead ends: 402 [2018-04-11 14:57:10,230 INFO L226 Difference]: Without dead ends: 402 [2018-04-11 14:57:10,231 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=530, Invalid=1822, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 14:57:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-11 14:57:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 261. [2018-04-11 14:57:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-11 14:57:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 275 transitions. [2018-04-11 14:57:10,234 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 275 transitions. Word has length 66 [2018-04-11 14:57:10,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:10,234 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 275 transitions. [2018-04-11 14:57:10,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 14:57:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 275 transitions. [2018-04-11 14:57:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-11 14:57:10,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:10,235 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] [2018-04-11 14:57:10,235 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:10,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1747713038, now seen corresponding path program 2 times [2018-04-11 14:57:10,236 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:10,244 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:10,433 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:10,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 14:57:10,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:10,434 INFO L182 omatonBuilderFactory]: Interpolants [27168#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 27169#(= |main_#t~mem15.offset| 0), 27154#true, 27155#false, 27156#(= 1 (select |#valid| main_~head~0.base)), 27157#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 27158#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base |main_#t~malloc2.base|))), 27159#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 27160#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27161#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27162#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27163#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27164#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27165#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27166#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 27167#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:57:10,434 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:10,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 14:57:10,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 14:57:10,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:57:10,434 INFO L87 Difference]: Start difference. First operand 261 states and 275 transitions. Second operand 16 states. [2018-04-11 14:57:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:10,987 INFO L93 Difference]: Finished difference Result 331 states and 345 transitions. [2018-04-11 14:57:10,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 14:57:10,987 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 67 [2018-04-11 14:57:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:10,988 INFO L225 Difference]: With dead ends: 331 [2018-04-11 14:57:10,989 INFO L226 Difference]: Without dead ends: 331 [2018-04-11 14:57:10,989 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2018-04-11 14:57:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-11 14:57:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 261. [2018-04-11 14:57:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-11 14:57:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 274 transitions. [2018-04-11 14:57:10,991 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 274 transitions. Word has length 67 [2018-04-11 14:57:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:10,992 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 274 transitions. [2018-04-11 14:57:10,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 14:57:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 274 transitions. [2018-04-11 14:57:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 14:57:10,992 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:10,992 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, 1, 1] [2018-04-11 14:57:10,992 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:10,993 INFO L82 PathProgramCache]: Analyzing trace with hash 946134419, now seen corresponding path program 2 times [2018-04-11 14:57:10,993 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:11,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:11,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:11,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 14:57:11,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:11,200 INFO L182 omatonBuilderFactory]: Interpolants [27786#true, 27787#false, 27788#(= 1 (select |#valid| main_~head~0.base)), 27789#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27790#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 27791#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 27792#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 27793#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 27794#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 27795#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27796#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 27797#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 27798#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 27799#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 27800#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|) (not (= main_~head~0.base |main_#t~mem10.base|))), 27801#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 27802#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 27803#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27804#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27805#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))), 27806#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 27807#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:11,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 14:57:11,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 14:57:11,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-04-11 14:57:11,200 INFO L87 Difference]: Start difference. First operand 261 states and 274 transitions. Second operand 22 states. [2018-04-11 14:57:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:11,916 INFO L93 Difference]: Finished difference Result 389 states and 403 transitions. [2018-04-11 14:57:11,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:57:11,916 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 68 [2018-04-11 14:57:11,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:11,917 INFO L225 Difference]: With dead ends: 389 [2018-04-11 14:57:11,917 INFO L226 Difference]: Without dead ends: 389 [2018-04-11 14:57:11,917 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=1328, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 14:57:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-11 14:57:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 296. [2018-04-11 14:57:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-04-11 14:57:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 315 transitions. [2018-04-11 14:57:11,919 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 315 transitions. Word has length 68 [2018-04-11 14:57:11,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:11,919 INFO L459 AbstractCegarLoop]: Abstraction has 296 states and 315 transitions. [2018-04-11 14:57:11,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 14:57:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 315 transitions. [2018-04-11 14:57:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 14:57:11,920 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:11,920 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, 1, 1] [2018-04-11 14:57:11,920 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:11,920 INFO L82 PathProgramCache]: Analyzing trace with hash 946134420, now seen corresponding path program 2 times [2018-04-11 14:57:11,920 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:11,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:11,974 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:11,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 14:57:11,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:11,975 INFO L182 omatonBuilderFactory]: Interpolants [28531#true, 28532#false, 28533#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28534#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.offset|)), 28535#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 28536#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 28537#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4))), 28538#(and (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|)) (<= 0 (+ |main_#t~mem13.offset| 4))), 28539#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4)))] [2018-04-11 14:57:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:11,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 14:57:11,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 14:57:11,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-11 14:57:11,975 INFO L87 Difference]: Start difference. First operand 296 states and 315 transitions. Second operand 9 states. [2018-04-11 14:57:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:12,211 INFO L93 Difference]: Finished difference Result 353 states and 367 transitions. [2018-04-11 14:57:12,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 14:57:12,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-04-11 14:57:12,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:12,212 INFO L225 Difference]: With dead ends: 353 [2018-04-11 14:57:12,212 INFO L226 Difference]: Without dead ends: 353 [2018-04-11 14:57:12,212 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:57:12,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-04-11 14:57:12,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 293. [2018-04-11 14:57:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-04-11 14:57:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 311 transitions. [2018-04-11 14:57:12,214 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 311 transitions. Word has length 68 [2018-04-11 14:57:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:12,214 INFO L459 AbstractCegarLoop]: Abstraction has 293 states and 311 transitions. [2018-04-11 14:57:12,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 14:57:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 311 transitions. [2018-04-11 14:57:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-11 14:57:12,214 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:12,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:12,214 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:12,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1297885163, now seen corresponding path program 1 times [2018-04-11 14:57:12,215 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:12,220 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,367 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:12,367 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:57:12,368 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,368 INFO L182 omatonBuilderFactory]: Interpolants [29216#(= main_~x~0.offset 0), 29217#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 29200#true, 29201#false, 29202#(= 1 (select |#valid| main_~head~0.base)), 29203#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 29204#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base |main_#t~malloc2.base|))), 29205#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29206#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29207#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29208#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29209#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29210#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29211#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29212#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 29213#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 29214#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 29215#(= 0 |main_#t~mem13.offset|)] [2018-04-11 14:57:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 14:57:12,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 14:57:12,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-04-11 14:57:12,368 INFO L87 Difference]: Start difference. First operand 293 states and 311 transitions. Second operand 18 states. [2018-04-11 14:57:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:12,773 INFO L93 Difference]: Finished difference Result 344 states and 361 transitions. [2018-04-11 14:57:12,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 14:57:12,773 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 70 [2018-04-11 14:57:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:12,773 INFO L225 Difference]: With dead ends: 344 [2018-04-11 14:57:12,774 INFO L226 Difference]: Without dead ends: 344 [2018-04-11 14:57:12,774 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:57:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-04-11 14:57:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 302. [2018-04-11 14:57:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-04-11 14:57:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 323 transitions. [2018-04-11 14:57:12,775 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 323 transitions. Word has length 70 [2018-04-11 14:57:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:12,776 INFO L459 AbstractCegarLoop]: Abstraction has 302 states and 323 transitions. [2018-04-11 14:57:12,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 14:57:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 323 transitions. [2018-04-11 14:57:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-11 14:57:12,776 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:12,776 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, 1] [2018-04-11 14:57:12,776 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash -158387858, now seen corresponding path program 2 times [2018-04-11 14:57:12,777 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:12,782 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:12,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 14:57:12,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,976 INFO L182 omatonBuilderFactory]: Interpolants [29892#true, 29893#false, 29894#(= 1 (select |#valid| main_~head~0.base)), 29895#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 29896#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 29897#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29898#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29899#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29900#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 29901#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29902#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29903#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29904#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 29905#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29906#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29907#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29908#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29909#(and (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem15.base| main_~x~0.base))), 29910#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:12,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 14:57:12,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 14:57:12,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-04-11 14:57:12,976 INFO L87 Difference]: Start difference. First operand 302 states and 323 transitions. Second operand 19 states. [2018-04-11 14:57:13,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:13,379 INFO L93 Difference]: Finished difference Result 332 states and 347 transitions. [2018-04-11 14:57:13,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 14:57:13,379 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 72 [2018-04-11 14:57:13,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:13,380 INFO L225 Difference]: With dead ends: 332 [2018-04-11 14:57:13,380 INFO L226 Difference]: Without dead ends: 332 [2018-04-11 14:57:13,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=768, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:57:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-04-11 14:57:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 295. [2018-04-11 14:57:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-04-11 14:57:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 316 transitions. [2018-04-11 14:57:13,382 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 316 transitions. Word has length 72 [2018-04-11 14:57:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:13,382 INFO L459 AbstractCegarLoop]: Abstraction has 295 states and 316 transitions. [2018-04-11 14:57:13,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 14:57:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 316 transitions. [2018-04-11 14:57:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-11 14:57:13,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:13,383 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 14:57:13,383 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:13,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1727121708, now seen corresponding path program 2 times [2018-04-11 14:57:13,384 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:13,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:13,566 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:13,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:57:13,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:13,567 INFO L182 omatonBuilderFactory]: Interpolants [30564#true, 30565#false, 30566#(= 1 (select |#valid| main_~head~0.base)), 30567#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 30568#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base |main_#t~malloc2.base|))), 30569#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30570#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30571#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30572#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30573#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30574#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30575#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30576#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 30577#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 30578#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 30579#(= 0 |main_#t~mem13.offset|), 30580#(= 0 main_~x~0.offset), 30581#(= main_~head~0.offset 0)] [2018-04-11 14:57:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:13,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 14:57:13,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 14:57:13,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-04-11 14:57:13,568 INFO L87 Difference]: Start difference. First operand 295 states and 316 transitions. Second operand 18 states. [2018-04-11 14:57:14,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:14,004 INFO L93 Difference]: Finished difference Result 323 states and 338 transitions. [2018-04-11 14:57:14,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 14:57:14,005 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 72 [2018-04-11 14:57:14,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:14,005 INFO L225 Difference]: With dead ends: 323 [2018-04-11 14:57:14,005 INFO L226 Difference]: Without dead ends: 323 [2018-04-11 14:57:14,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 14:57:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-04-11 14:57:14,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2018-04-11 14:57:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 14:57:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 291 transitions. [2018-04-11 14:57:14,007 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 291 transitions. Word has length 72 [2018-04-11 14:57:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:14,007 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 291 transitions. [2018-04-11 14:57:14,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 14:57:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 291 transitions. [2018-04-11 14:57:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:14,008 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:14,008 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:14,008 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:14,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1194525003, now seen corresponding path program 1 times [2018-04-11 14:57:14,009 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:14,014 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:14,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:14,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 14:57:14,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:14,304 INFO L182 omatonBuilderFactory]: Interpolants [31207#true, 31208#false, 31209#(= 0 |main_#t~malloc0.offset|), 31210#(= main_~head~0.offset 0), 31211#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 31212#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31213#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31214#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31215#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31216#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31217#(and (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31218#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31219#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31220#(and (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0) (not (= main_~head~0.base |main_#t~mem5.base|))), 31221#(and (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31222#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 0)), 31223#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 0) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31224#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))), 31225#(or (and (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)) (not (= |main_#t~mem7| 0))), 31226#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31227#(and (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 1)) (= main_~head~0.offset 0)), 31228#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)), 31229#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)) (= |main_#t~mem12| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))] [2018-04-11 14:57:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:14,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 14:57:14,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 14:57:14,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:57:14,304 INFO L87 Difference]: Start difference. First operand 272 states and 291 transitions. Second operand 23 states. [2018-04-11 14:57:14,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:14,907 INFO L93 Difference]: Finished difference Result 306 states and 321 transitions. [2018-04-11 14:57:14,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 14:57:14,907 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 73 [2018-04-11 14:57:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:14,908 INFO L225 Difference]: With dead ends: 306 [2018-04-11 14:57:14,908 INFO L226 Difference]: Without dead ends: 306 [2018-04-11 14:57:14,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=452, Invalid=1440, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 14:57:14,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-04-11 14:57:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2018-04-11 14:57:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-04-11 14:57:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 304 transitions. [2018-04-11 14:57:14,910 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 304 transitions. Word has length 73 [2018-04-11 14:57:14,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:14,910 INFO L459 AbstractCegarLoop]: Abstraction has 286 states and 304 transitions. [2018-04-11 14:57:14,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 14:57:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 304 transitions. [2018-04-11 14:57:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:14,911 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:14,911 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:14,911 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:14,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1126835464, now seen corresponding path program 1 times [2018-04-11 14:57:14,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:14,915 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,059 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:15,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 14:57:15,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,059 INFO L182 omatonBuilderFactory]: Interpolants [31872#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 0 |main_#t~malloc4.offset|)), 31873#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31874#(and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))), 31875#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 31876#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= |main_#t~mem7| 0))), 31877#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 31878#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 31879#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 31880#(= |main_#t~mem15.offset| 0), 31864#true, 31865#false, 31866#(= 1 (select |#valid| main_~head~0.base)), 31867#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 31868#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 31869#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31870#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 31871#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-11 14:57:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:57:15,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:57:15,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:57:15,060 INFO L87 Difference]: Start difference. First operand 286 states and 304 transitions. Second operand 17 states. [2018-04-11 14:57:15,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:15,597 INFO L93 Difference]: Finished difference Result 325 states and 343 transitions. [2018-04-11 14:57:15,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 14:57:15,598 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 73 [2018-04-11 14:57:15,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:15,598 INFO L225 Difference]: With dead ends: 325 [2018-04-11 14:57:15,598 INFO L226 Difference]: Without dead ends: 325 [2018-04-11 14:57:15,599 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 14:57:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-11 14:57:15,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 300. [2018-04-11 14:57:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-04-11 14:57:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 319 transitions. [2018-04-11 14:57:15,600 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 319 transitions. Word has length 73 [2018-04-11 14:57:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:15,601 INFO L459 AbstractCegarLoop]: Abstraction has 300 states and 319 transitions. [2018-04-11 14:57:15,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:57:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 319 transitions. [2018-04-11 14:57:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:15,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:15,601 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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, 1] [2018-04-11 14:57:15,601 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 45411393, now seen corresponding path program 7 times [2018-04-11 14:57:15,602 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:15,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:15,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 14:57:15,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,874 INFO L182 omatonBuilderFactory]: Interpolants [32544#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32545#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32546#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32547#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 32548#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32549#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 32550#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 32551#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 32552#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 32553#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 32554#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 32555#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 32556#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 32557#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 32558#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 32559#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 32560#(= 1 (select |#valid| |main_#t~mem8.base|)), 32561#(= 1 (select |#valid| main_~x~0.base)), 32538#true, 32539#false, 32540#(= 1 (select |#valid| main_~head~0.base)), 32541#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 32542#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 32543#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)))] [2018-04-11 14:57:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:15,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 14:57:15,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 14:57:15,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2018-04-11 14:57:15,875 INFO L87 Difference]: Start difference. First operand 300 states and 319 transitions. Second operand 24 states. [2018-04-11 14:57:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:16,931 INFO L93 Difference]: Finished difference Result 391 states and 413 transitions. [2018-04-11 14:57:16,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 14:57:16,931 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-04-11 14:57:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:16,932 INFO L225 Difference]: With dead ends: 391 [2018-04-11 14:57:16,932 INFO L226 Difference]: Without dead ends: 391 [2018-04-11 14:57:16,933 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=314, Invalid=2136, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 14:57:16,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-04-11 14:57:16,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 317. [2018-04-11 14:57:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-11 14:57:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 338 transitions. [2018-04-11 14:57:16,934 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 338 transitions. Word has length 73 [2018-04-11 14:57:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:16,935 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 338 transitions. [2018-04-11 14:57:16,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 14:57:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 338 transitions. [2018-04-11 14:57:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:16,935 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:16,935 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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, 1] [2018-04-11 14:57:16,935 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:16,935 INFO L82 PathProgramCache]: Analyzing trace with hash 45411394, now seen corresponding path program 6 times [2018-04-11 14:57:16,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:16,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:17,295 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:17,295 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 14:57:17,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:17,295 INFO L182 omatonBuilderFactory]: Interpolants [33344#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 33345#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 33322#true, 33323#false, 33324#(= 1 (select |#valid| main_~head~0.base)), 33325#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 33326#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 33327#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 33328#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33329#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33330#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33331#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 33332#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 33333#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33334#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33335#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 33336#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 33337#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 33338#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 33339#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 33340#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 33341#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 33342#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 33343#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-04-11 14:57:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:17,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 14:57:17,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 14:57:17,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-04-11 14:57:17,296 INFO L87 Difference]: Start difference. First operand 317 states and 338 transitions. Second operand 24 states. [2018-04-11 14:57:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:18,457 INFO L93 Difference]: Finished difference Result 435 states and 457 transitions. [2018-04-11 14:57:18,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:57:18,457 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-04-11 14:57:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:18,458 INFO L225 Difference]: With dead ends: 435 [2018-04-11 14:57:18,458 INFO L226 Difference]: Without dead ends: 435 [2018-04-11 14:57:18,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 14:57:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-04-11 14:57:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 309. [2018-04-11 14:57:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-04-11 14:57:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 329 transitions. [2018-04-11 14:57:18,461 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 329 transitions. Word has length 73 [2018-04-11 14:57:18,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:18,461 INFO L459 AbstractCegarLoop]: Abstraction has 309 states and 329 transitions. [2018-04-11 14:57:18,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 14:57:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 329 transitions. [2018-04-11 14:57:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:18,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:18,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:18,461 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:18,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1831858050, now seen corresponding path program 3 times [2018-04-11 14:57:18,462 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:18,467 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:18,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:18,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 14:57:18,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:18,739 INFO L182 omatonBuilderFactory]: Interpolants [34144#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34145#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34146#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34147#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 34148#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 34149#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 34150#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 34151#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 34152#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 34153#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 34154#(= 1 (select |#valid| |main_#t~mem10.base|)), 34155#(= 1 (select |#valid| main_~x~0.base)), 34132#true, 34133#false, 34134#(= 1 (select |#valid| main_~head~0.base)), 34135#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 34136#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 34137#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 34138#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34139#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34140#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34141#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 34142#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 34143#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)))] [2018-04-11 14:57:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:18,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 14:57:18,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 14:57:18,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2018-04-11 14:57:18,740 INFO L87 Difference]: Start difference. First operand 309 states and 329 transitions. Second operand 24 states. [2018-04-11 14:57:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:19,759 INFO L93 Difference]: Finished difference Result 404 states and 427 transitions. [2018-04-11 14:57:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 14:57:19,760 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-04-11 14:57:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:19,760 INFO L225 Difference]: With dead ends: 404 [2018-04-11 14:57:19,760 INFO L226 Difference]: Without dead ends: 404 [2018-04-11 14:57:19,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=2220, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 14:57:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-04-11 14:57:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 317. [2018-04-11 14:57:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-11 14:57:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 338 transitions. [2018-04-11 14:57:19,763 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 338 transitions. Word has length 73 [2018-04-11 14:57:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:19,763 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 338 transitions. [2018-04-11 14:57:19,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 14:57:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 338 transitions. [2018-04-11 14:57:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 14:57:19,763 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:19,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:19,763 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:19,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1831858049, now seen corresponding path program 3 times [2018-04-11 14:57:19,764 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:19,770 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:20,074 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:20,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 14:57:20,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:20,074 INFO L182 omatonBuilderFactory]: Interpolants [34944#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 34945#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 34946#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 34947#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 34948#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 34949#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 34950#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 34951#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 34952#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 34953#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 34954#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 34931#true, 34932#false, 34933#(= 1 (select |#valid| main_~head~0.base)), 34934#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 34935#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 34936#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 34937#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34938#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34939#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34940#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 34941#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 34942#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34943#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-04-11 14:57:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:20,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 14:57:20,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 14:57:20,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-04-11 14:57:20,075 INFO L87 Difference]: Start difference. First operand 317 states and 338 transitions. Second operand 24 states. [2018-04-11 14:57:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:21,274 INFO L93 Difference]: Finished difference Result 438 states and 460 transitions. [2018-04-11 14:57:21,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:57:21,275 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-04-11 14:57:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:21,276 INFO L225 Difference]: With dead ends: 438 [2018-04-11 14:57:21,276 INFO L226 Difference]: Without dead ends: 438 [2018-04-11 14:57:21,276 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 14:57:21,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-04-11 14:57:21,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 309. [2018-04-11 14:57:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-04-11 14:57:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 329 transitions. [2018-04-11 14:57:21,278 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 329 transitions. Word has length 73 [2018-04-11 14:57:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:21,278 INFO L459 AbstractCegarLoop]: Abstraction has 309 states and 329 transitions. [2018-04-11 14:57:21,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 14:57:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 329 transitions. [2018-04-11 14:57:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 14:57:21,279 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:21,279 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:21,279 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:21,279 INFO L82 PathProgramCache]: Analyzing trace with hash 572161269, now seen corresponding path program 1 times [2018-04-11 14:57:21,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:21,287 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:21,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:21,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:21,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:21,585 INFO L182 omatonBuilderFactory]: Interpolants [35744#true, 35745#false, 35746#(= 1 (select |#valid| main_~head~0.base)), 35747#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 35748#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 35749#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35750#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base))), 35751#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35752#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc4.base| main_~head~0.base))), 35753#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~head~0.base)), 35754#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~head~0.base))), 35755#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~head~0.base))), 35756#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~head~0.base)))), 35757#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~head~0.base))) (not (= |main_#t~mem7| 0))), 35758#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|) main_~head~0.base)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 35759#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 35760#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (not (= |main_#t~mem10.base| main_~head~0.base))), 35761#(and (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35762#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35763#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~x~0.base))), 35764#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35765#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 35766#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35767#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 35768#(= 1 (select |#valid| |main_#t~mem15.base|))] [2018-04-11 14:57:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:21,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:21,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:21,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:21,585 INFO L87 Difference]: Start difference. First operand 309 states and 329 transitions. Second operand 25 states. [2018-04-11 14:57:22,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:22,322 INFO L93 Difference]: Finished difference Result 333 states and 352 transitions. [2018-04-11 14:57:22,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 14:57:22,358 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 74 [2018-04-11 14:57:22,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:22,359 INFO L225 Difference]: With dead ends: 333 [2018-04-11 14:57:22,359 INFO L226 Difference]: Without dead ends: 333 [2018-04-11 14:57:22,359 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=1668, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 14:57:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-04-11 14:57:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 310. [2018-04-11 14:57:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-11 14:57:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 330 transitions. [2018-04-11 14:57:22,361 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 330 transitions. Word has length 74 [2018-04-11 14:57:22,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:22,361 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 330 transitions. [2018-04-11 14:57:22,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 330 transitions. [2018-04-11 14:57:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 14:57:22,362 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:22,362 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:22,362 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:22,362 INFO L82 PathProgramCache]: Analyzing trace with hash -137175235, now seen corresponding path program 2 times [2018-04-11 14:57:22,362 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:22,367 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:22,680 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:22,680 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 14:57:22,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:22,681 INFO L182 omatonBuilderFactory]: Interpolants [36450#true, 36451#false, 36452#(= 1 (select |#valid| main_~head~0.base)), 36453#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 36454#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 36455#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36456#(and (= |main_#t~mem3.offset| 0) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 36457#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 36458#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 36459#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (not (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 36460#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 36461#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 36462#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 36463#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base)), 36464#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 36465#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 36466#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 36467#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 36468#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) |main_#t~mem13.base|))), 36469#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)))), 36470#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))) (not (= main_~x~0.offset 0))), 36471#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 36472#(or (and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))) (not (= main_~head~0.offset 0))), 36473#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 36474#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 36475#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:22,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 14:57:22,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 14:57:22,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2018-04-11 14:57:22,681 INFO L87 Difference]: Start difference. First operand 310 states and 330 transitions. Second operand 26 states. [2018-04-11 14:57:23,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:23,620 INFO L93 Difference]: Finished difference Result 343 states and 364 transitions. [2018-04-11 14:57:23,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:23,620 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-04-11 14:57:23,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:23,621 INFO L225 Difference]: With dead ends: 343 [2018-04-11 14:57:23,621 INFO L226 Difference]: Without dead ends: 343 [2018-04-11 14:57:23,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=322, Invalid=1934, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 14:57:23,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-04-11 14:57:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 317. [2018-04-11 14:57:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-11 14:57:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 338 transitions. [2018-04-11 14:57:23,623 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 338 transitions. Word has length 74 [2018-04-11 14:57:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:23,623 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 338 transitions. [2018-04-11 14:57:23,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 14:57:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 338 transitions. [2018-04-11 14:57:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 14:57:23,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:23,623 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:23,623 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:23,624 INFO L82 PathProgramCache]: Analyzing trace with hash -137175234, now seen corresponding path program 2 times [2018-04-11 14:57:23,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:23,629 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:23,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:23,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:23,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:23,959 INFO L182 omatonBuilderFactory]: Interpolants [37184#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 37185#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 37186#(and (= |main_#t~mem3.offset| 0) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 37187#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 37188#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 |main_#t~malloc4.offset|)), 37189#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 37190#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 37191#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 37192#(and (= main_~x~0.offset main_~head~0.offset) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= |main_#t~mem7| 0))) (= main_~x~0.base main_~head~0.base)), 37193#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))), 37194#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 37195#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 |main_#t~mem10.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 37196#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset 0))), 37197#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 37198#(and (or (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 37199#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (or (not (= |main_#t~mem13.offset| 0)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 37200#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= main_~x~0.offset 0)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 37201#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0)))), 37202#(and (or (<= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))) (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|))), 37203#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (or (<= 0 main_~x~0.offset) (not (= main_~head~0.offset 0)))), 37204#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 37180#true, 37181#false, 37182#(= 1 (select |#valid| main_~head~0.base)), 37183#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:57:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:23,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:23,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:23,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:23,960 INFO L87 Difference]: Start difference. First operand 317 states and 338 transitions. Second operand 25 states. [2018-04-11 14:57:24,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:24,966 INFO L93 Difference]: Finished difference Result 360 states and 379 transitions. [2018-04-11 14:57:24,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 14:57:24,966 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 74 [2018-04-11 14:57:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:24,967 INFO L225 Difference]: With dead ends: 360 [2018-04-11 14:57:24,967 INFO L226 Difference]: Without dead ends: 360 [2018-04-11 14:57:24,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=252, Invalid=2100, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 14:57:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-04-11 14:57:24,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2018-04-11 14:57:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-11 14:57:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 345 transitions. [2018-04-11 14:57:24,969 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 345 transitions. Word has length 74 [2018-04-11 14:57:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:24,969 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 345 transitions. [2018-04-11 14:57:24,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 345 transitions. [2018-04-11 14:57:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 14:57:24,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:24,970 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, 1, 1, 1, 1] [2018-04-11 14:57:24,970 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:24,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1636638841, now seen corresponding path program 2 times [2018-04-11 14:57:24,970 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:24,976 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-11 14:57:25,134 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:25,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 14:57:25,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:25,134 INFO L182 omatonBuilderFactory]: Interpolants [37952#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base)), 37953#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 37937#true, 37938#false, 37939#(= 1 (select |#valid| main_~head~0.base)), 37940#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base))), 37941#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37942#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37943#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37944#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 37945#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base))), 37946#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 37947#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37948#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 37949#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37950#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem5.base|))), 37951#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)))] [2018-04-11 14:57:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-11 14:57:25,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 14:57:25,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 14:57:25,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-04-11 14:57:25,135 INFO L87 Difference]: Start difference. First operand 324 states and 345 transitions. Second operand 17 states. [2018-04-11 14:57:25,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:25,408 INFO L93 Difference]: Finished difference Result 306 states and 316 transitions. [2018-04-11 14:57:25,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 14:57:25,408 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 75 [2018-04-11 14:57:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:25,409 INFO L225 Difference]: With dead ends: 306 [2018-04-11 14:57:25,409 INFO L226 Difference]: Without dead ends: 306 [2018-04-11 14:57:25,409 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-04-11 14:57:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-04-11 14:57:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 284. [2018-04-11 14:57:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 14:57:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 299 transitions. [2018-04-11 14:57:25,411 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 299 transitions. Word has length 75 [2018-04-11 14:57:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:25,411 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 299 transitions. [2018-04-11 14:57:25,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 14:57:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 299 transitions. [2018-04-11 14:57:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 14:57:25,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:25,411 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:25,411 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:25,411 INFO L82 PathProgramCache]: Analyzing trace with hash 546000061, now seen corresponding path program 8 times [2018-04-11 14:57:25,412 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:25,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:25,722 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:25,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:25,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:25,723 INFO L182 omatonBuilderFactory]: Interpolants [38564#true, 38565#false, 38566#(= 1 (select |#valid| main_~head~0.base)), 38567#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38568#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 38569#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 38570#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38571#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38572#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38573#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 38574#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 38575#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 38576#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38577#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 38578#(and (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38579#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38580#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38581#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38582#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 38583#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 38584#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 38585#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 38586#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 38587#(= 1 (select |#valid| |main_#t~mem8.base|)), 38588#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:25,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:25,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:25,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:25,723 INFO L87 Difference]: Start difference. First operand 284 states and 299 transitions. Second operand 25 states. [2018-04-11 14:57:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:26,792 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2018-04-11 14:57:26,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 14:57:26,792 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 75 [2018-04-11 14:57:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:26,793 INFO L225 Difference]: With dead ends: 370 [2018-04-11 14:57:26,793 INFO L226 Difference]: Without dead ends: 370 [2018-04-11 14:57:26,793 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=393, Invalid=2469, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 14:57:26,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-04-11 14:57:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 301. [2018-04-11 14:57:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-04-11 14:57:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 318 transitions. [2018-04-11 14:57:26,795 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 318 transitions. Word has length 75 [2018-04-11 14:57:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:26,795 INFO L459 AbstractCegarLoop]: Abstraction has 301 states and 318 transitions. [2018-04-11 14:57:26,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 318 transitions. [2018-04-11 14:57:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 14:57:26,796 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:26,796 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:26,796 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:26,796 INFO L82 PathProgramCache]: Analyzing trace with hash 546000062, now seen corresponding path program 7 times [2018-04-11 14:57:26,796 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:26,804 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:27,307 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:27,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:27,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:27,308 INFO L182 omatonBuilderFactory]: Interpolants [39318#true, 39319#false, 39320#(= 1 (select |#valid| main_~head~0.base)), 39321#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 39322#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 39323#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39324#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 39325#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39326#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39327#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 39328#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 39329#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39330#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39331#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 39332#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39333#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|))), 39334#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 39335#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39336#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 39337#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 39338#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 39339#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 39340#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 39341#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 39342#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:27,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:27,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:27,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:27,308 INFO L87 Difference]: Start difference. First operand 301 states and 318 transitions. Second operand 25 states. [2018-04-11 14:57:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:28,554 INFO L93 Difference]: Finished difference Result 405 states and 424 transitions. [2018-04-11 14:57:28,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:28,554 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 75 [2018-04-11 14:57:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:28,555 INFO L225 Difference]: With dead ends: 405 [2018-04-11 14:57:28,555 INFO L226 Difference]: Without dead ends: 405 [2018-04-11 14:57:28,555 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=291, Invalid=1965, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 14:57:28,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-11 14:57:28,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 293. [2018-04-11 14:57:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-04-11 14:57:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 309 transitions. [2018-04-11 14:57:28,558 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 309 transitions. Word has length 75 [2018-04-11 14:57:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:28,558 INFO L459 AbstractCegarLoop]: Abstraction has 293 states and 309 transitions. [2018-04-11 14:57:28,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 309 transitions. [2018-04-11 14:57:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 14:57:28,559 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:28,559 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:28,559 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:28,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1331269382, now seen corresponding path program 4 times [2018-04-11 14:57:28,560 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:28,566 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:28,876 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:28,876 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:28,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:28,877 INFO L182 omatonBuilderFactory]: Interpolants [40087#true, 40088#false, 40089#(= 1 (select |#valid| main_~head~0.base)), 40090#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 40091#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 40092#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40093#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 40094#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40095#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40096#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 40097#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 40098#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 40099#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40100#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 40101#(and (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40102#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40103#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40104#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40105#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 40106#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 40107#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 40108#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 40109#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 40110#(= 1 (select |#valid| |main_#t~mem10.base|)), 40111#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:28,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:28,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:28,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:28,877 INFO L87 Difference]: Start difference. First operand 293 states and 309 transitions. Second operand 25 states. [2018-04-11 14:57:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:29,969 INFO L93 Difference]: Finished difference Result 372 states and 390 transitions. [2018-04-11 14:57:29,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 14:57:29,969 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 75 [2018-04-11 14:57:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:29,970 INFO L225 Difference]: With dead ends: 372 [2018-04-11 14:57:29,970 INFO L226 Difference]: Without dead ends: 372 [2018-04-11 14:57:29,970 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=2375, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 14:57:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-04-11 14:57:29,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 301. [2018-04-11 14:57:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-04-11 14:57:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 318 transitions. [2018-04-11 14:57:29,972 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 318 transitions. Word has length 75 [2018-04-11 14:57:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:29,972 INFO L459 AbstractCegarLoop]: Abstraction has 301 states and 318 transitions. [2018-04-11 14:57:29,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 318 transitions. [2018-04-11 14:57:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 14:57:29,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:29,973 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:29,973 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:29,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1331269381, now seen corresponding path program 4 times [2018-04-11 14:57:29,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:29,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:30,470 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:30,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:30,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:30,470 INFO L182 omatonBuilderFactory]: Interpolants [40841#true, 40842#false, 40843#(= 1 (select |#valid| main_~head~0.base)), 40844#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 40845#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 40846#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40847#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 40848#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40849#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40850#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 40851#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 40852#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40853#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40854#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 40855#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40856#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|))), 40857#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 40858#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40859#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 40860#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 40861#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 40862#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 40863#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 40864#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 40865#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:30,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:30,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:30,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:30,471 INFO L87 Difference]: Start difference. First operand 301 states and 318 transitions. Second operand 25 states. [2018-04-11 14:57:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:31,683 INFO L93 Difference]: Finished difference Result 397 states and 415 transitions. [2018-04-11 14:57:31,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:31,683 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 75 [2018-04-11 14:57:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:31,684 INFO L225 Difference]: With dead ends: 397 [2018-04-11 14:57:31,684 INFO L226 Difference]: Without dead ends: 397 [2018-04-11 14:57:31,684 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=291, Invalid=1965, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 14:57:31,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-11 14:57:31,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 284. [2018-04-11 14:57:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 14:57:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 299 transitions. [2018-04-11 14:57:31,686 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 299 transitions. Word has length 75 [2018-04-11 14:57:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:31,686 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 299 transitions. [2018-04-11 14:57:31,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 299 transitions. [2018-04-11 14:57:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 14:57:31,686 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:31,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:31,687 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:31,687 INFO L82 PathProgramCache]: Analyzing trace with hash 269237032, now seen corresponding path program 3 times [2018-04-11 14:57:31,687 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:31,692 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:31,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:31,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:57:31,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:31,906 INFO L182 omatonBuilderFactory]: Interpolants [41600#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 41601#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 41602#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41603#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 41604#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 41605#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 41606#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 41607#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 41608#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 41609#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|))), 41610#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 41611#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 41612#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 41613#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41614#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41615#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))), 41616#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 41617#(= 1 (select |#valid| main_~x~0.base)), 41593#true, 41594#false, 41595#(= 1 (select |#valid| main_~head~0.base)), 41596#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 41597#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 41598#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 41599#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-11 14:57:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:31,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:57:31,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:57:31,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:31,906 INFO L87 Difference]: Start difference. First operand 284 states and 299 transitions. Second operand 25 states. [2018-04-11 14:57:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:32,492 INFO L93 Difference]: Finished difference Result 339 states and 351 transitions. [2018-04-11 14:57:32,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 14:57:32,492 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 77 [2018-04-11 14:57:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:32,493 INFO L225 Difference]: With dead ends: 339 [2018-04-11 14:57:32,493 INFO L226 Difference]: Without dead ends: 339 [2018-04-11 14:57:32,494 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=289, Invalid=1517, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 14:57:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-04-11 14:57:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2018-04-11 14:57:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 14:57:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 298 transitions. [2018-04-11 14:57:32,495 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 298 transitions. Word has length 77 [2018-04-11 14:57:32,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:32,496 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 298 transitions. [2018-04-11 14:57:32,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:57:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 298 transitions. [2018-04-11 14:57:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 14:57:32,496 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:32,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:32,496 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:32,496 INFO L82 PathProgramCache]: Analyzing trace with hash 269237033, now seen corresponding path program 3 times [2018-04-11 14:57:32,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:32,501 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:32,560 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:32,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 14:57:32,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:32,560 INFO L182 omatonBuilderFactory]: Interpolants [42277#true, 42278#false, 42279#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42280#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 42281#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 42282#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base))), 42283#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 42284#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 42285#(and (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|)) (<= 0 |main_#t~mem13.offset|)), 42286#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-04-11 14:57:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:32,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 14:57:32,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 14:57:32,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-11 14:57:32,561 INFO L87 Difference]: Start difference. First operand 284 states and 298 transitions. Second operand 10 states. [2018-04-11 14:57:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:32,770 INFO L93 Difference]: Finished difference Result 338 states and 350 transitions. [2018-04-11 14:57:32,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 14:57:32,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-04-11 14:57:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:32,771 INFO L225 Difference]: With dead ends: 338 [2018-04-11 14:57:32,771 INFO L226 Difference]: Without dead ends: 338 [2018-04-11 14:57:32,771 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-04-11 14:57:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-04-11 14:57:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 284. [2018-04-11 14:57:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 14:57:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 297 transitions. [2018-04-11 14:57:32,773 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 297 transitions. Word has length 77 [2018-04-11 14:57:32,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:32,773 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 297 transitions. [2018-04-11 14:57:32,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 14:57:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 297 transitions. [2018-04-11 14:57:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 14:57:32,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:32,773 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:57:32,773 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1387704191, now seen corresponding path program 9 times [2018-04-11 14:57:32,774 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:32,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:33,113 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:33,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:57:33,113 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:33,114 INFO L182 omatonBuilderFactory]: Interpolants [42944#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 42945#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 42946#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42947#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 42948#(= 1 (select |#valid| |main_#t~mem8.base|)), 42949#(= 1 (select |#valid| main_~x~0.base)), 42921#true, 42922#false, 42923#(= 0 |main_#t~malloc0.offset|), 42924#(= 0 main_~head~0.offset), 42925#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 42926#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 42927#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 42928#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42929#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 42930#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 42931#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 42932#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42933#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 42934#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 42935#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 42936#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42937#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 42938#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 42939#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base))), 42940#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 42941#(and (= |main_#t~mem3.offset| main_~head~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 42942#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 42943#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)))] [2018-04-11 14:57:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:33,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:33,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:33,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:33,114 INFO L87 Difference]: Start difference. First operand 284 states and 297 transitions. Second operand 29 states. [2018-04-11 14:57:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:34,063 INFO L93 Difference]: Finished difference Result 301 states and 314 transitions. [2018-04-11 14:57:34,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 14:57:34,063 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 77 [2018-04-11 14:57:34,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:34,064 INFO L225 Difference]: With dead ends: 301 [2018-04-11 14:57:34,064 INFO L226 Difference]: Without dead ends: 301 [2018-04-11 14:57:34,064 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=604, Invalid=2476, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 14:57:34,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-11 14:57:34,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 292. [2018-04-11 14:57:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-11 14:57:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 306 transitions. [2018-04-11 14:57:34,066 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 306 transitions. Word has length 77 [2018-04-11 14:57:34,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:34,066 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 306 transitions. [2018-04-11 14:57:34,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 306 transitions. [2018-04-11 14:57:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 14:57:34,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:34,067 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:57:34,067 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1387704190, now seen corresponding path program 8 times [2018-04-11 14:57:34,067 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:34,075 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:34,551 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:34,551 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:57:34,551 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:34,552 INFO L182 omatonBuilderFactory]: Interpolants [43597#true, 43598#false, 43599#(= 0 |main_#t~malloc0.offset|), 43600#(= 0 main_~head~0.offset), 43601#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 43602#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 43603#(and (= 0 main_~head~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 43604#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 43605#(and (= 0 main_~head~0.offset) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43606#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43607#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43608#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43609#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43610#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43611#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43612#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43613#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43614#(and (= 0 main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43615#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43616#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43617#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.offset| main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43618#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 43619#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)))), 43620#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43621#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 43622#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 43623#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| 0))), 43624#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 43625#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:34,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:34,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:34,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:34,552 INFO L87 Difference]: Start difference. First operand 292 states and 306 transitions. Second operand 29 states. [2018-04-11 14:57:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:35,527 INFO L93 Difference]: Finished difference Result 334 states and 346 transitions. [2018-04-11 14:57:35,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:57:35,527 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 77 [2018-04-11 14:57:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:35,528 INFO L225 Difference]: With dead ends: 334 [2018-04-11 14:57:35,528 INFO L226 Difference]: Without dead ends: 334 [2018-04-11 14:57:35,528 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=582, Invalid=2280, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 14:57:35,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-04-11 14:57:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 284. [2018-04-11 14:57:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 14:57:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 297 transitions. [2018-04-11 14:57:35,530 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 297 transitions. Word has length 77 [2018-04-11 14:57:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:35,530 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 297 transitions. [2018-04-11 14:57:35,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 297 transitions. [2018-04-11 14:57:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 14:57:35,531 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:35,531 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:35,531 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:35,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1718636056, now seen corresponding path program 1 times [2018-04-11 14:57:35,531 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:35,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:35,726 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:35,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 14:57:35,726 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:35,726 INFO L182 omatonBuilderFactory]: Interpolants [44294#true, 44295#false, 44296#(= 1 (select |#valid| main_~head~0.base)), 44297#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44298#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 44299#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44300#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 44301#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 44302#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base))), 44303#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 44304#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 44305#(and (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 44306#(and (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 44307#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))), 44308#(or (and (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (not (= |main_#t~mem7| 0))), 44309#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 44310#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) |main_#t~mem13.base|)), 44311#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)), 44312#(and (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 44313#(and (not (= main_~x~0.base |main_#t~mem15.base|)) (= 1 (select |#valid| main_~x~0.base))), 44314#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:35,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 14:57:35,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 14:57:35,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2018-04-11 14:57:35,727 INFO L87 Difference]: Start difference. First operand 284 states and 297 transitions. Second operand 21 states. [2018-04-11 14:57:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:36,286 INFO L93 Difference]: Finished difference Result 304 states and 316 transitions. [2018-04-11 14:57:36,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 14:57:36,286 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 78 [2018-04-11 14:57:36,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:36,286 INFO L225 Difference]: With dead ends: 304 [2018-04-11 14:57:36,287 INFO L226 Difference]: Without dead ends: 304 [2018-04-11 14:57:36,287 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=1442, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 14:57:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-04-11 14:57:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 288. [2018-04-11 14:57:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-04-11 14:57:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 301 transitions. [2018-04-11 14:57:36,288 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 301 transitions. Word has length 78 [2018-04-11 14:57:36,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:36,288 INFO L459 AbstractCegarLoop]: Abstraction has 288 states and 301 transitions. [2018-04-11 14:57:36,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 14:57:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 301 transitions. [2018-04-11 14:57:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 14:57:36,289 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:36,289 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:36,289 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:36,289 INFO L82 PathProgramCache]: Analyzing trace with hash 149902206, now seen corresponding path program 1 times [2018-04-11 14:57:36,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:36,294 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:36,512 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:36,512 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 14:57:36,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:36,513 INFO L182 omatonBuilderFactory]: Interpolants [44960#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0)))), 44961#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem7| 0))), 44962#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 44963#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)), 44964#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 44965#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 44966#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 44967#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 44968#(= 0 main_~x~0.offset), 44969#(= main_~head~0.offset 0), 44949#true, 44950#false, 44951#(= 1 (select |#valid| main_~head~0.base)), 44952#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44953#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 44954#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44955#(and (= |main_#t~mem3.offset| 0) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 44956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 44957#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 |main_#t~malloc4.offset|)), 44958#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 44959#(and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0)))] [2018-04-11 14:57:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:36,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 14:57:36,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 14:57:36,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2018-04-11 14:57:36,513 INFO L87 Difference]: Start difference. First operand 288 states and 301 transitions. Second operand 21 states. [2018-04-11 14:57:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:36,997 INFO L93 Difference]: Finished difference Result 313 states and 325 transitions. [2018-04-11 14:57:36,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 14:57:36,998 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 78 [2018-04-11 14:57:36,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:36,998 INFO L225 Difference]: With dead ends: 313 [2018-04-11 14:57:36,998 INFO L226 Difference]: Without dead ends: 313 [2018-04-11 14:57:36,999 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=1355, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 14:57:36,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-04-11 14:57:37,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 274. [2018-04-11 14:57:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-11 14:57:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 286 transitions. [2018-04-11 14:57:37,001 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 286 transitions. Word has length 78 [2018-04-11 14:57:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:37,001 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 286 transitions. [2018-04-11 14:57:37,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 14:57:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 286 transitions. [2018-04-11 14:57:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 14:57:37,001 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:37,001 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:37,001 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:37,001 INFO L82 PathProgramCache]: Analyzing trace with hash -418133105, now seen corresponding path program 1 times [2018-04-11 14:57:37,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:37,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:38,252 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:38,252 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 14:57:38,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:38,253 INFO L182 omatonBuilderFactory]: Interpolants [45595#true, 45596#false, 45597#(= |#valid| |old(#valid)|), 45598#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 45599#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 45600#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 45601#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 45602#(and (not (= |main_#t~malloc2.base| 0)) (= main_~x~0.offset main_~head~0.offset) (= (store (store |#valid| |main_#t~malloc2.base| 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 45603#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 45604#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 45605#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 45606#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| main_~head~0.base)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc4.base| 0) |old(#valid)|))) (not (= main_~x~0.base main_~head~0.base))), 45607#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 45608#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem5.base|)))), 45609#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|))), 45610#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base))), 45611#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base))), 45612#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base))), 45613#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 45614#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 45615#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45616#(or (and (= |old(#valid)| (store (store (store |#valid| |main_#t~mem13.base| 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base |main_#t~mem13.base|))) (and (not (= |main_#t~mem13.base| 0)) (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) |main_#t~mem13.base|))), 45617#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |old(#valid)| (store (store (store |#valid| main_~x~0.base 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0))) (and (not (= main_~x~0.base 0)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45618#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)) (and (not (= main_~x~0.base 0)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45619#(or (and (not (= main_~x~0.base 0)) (= main_~x~0.base |main_#t~mem15.base|)) (and (not (= main_~x~0.base |main_#t~mem15.base|)) (= (store (store |#valid| main_~x~0.base 0) |main_#t~mem15.base| 0) |old(#valid)|))), 45620#(or (and (not (= (select |#valid| main_~x~0.base) 1)) (not (= main_~x~0.base 0))) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 45621#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-11 14:57:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:38,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 14:57:38,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 14:57:38,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-04-11 14:57:38,253 INFO L87 Difference]: Start difference. First operand 274 states and 286 transitions. Second operand 27 states. [2018-04-11 14:57:38,836 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 98 DAG size of output 61 [2018-04-11 14:57:39,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:39,839 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2018-04-11 14:57:39,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:57:39,839 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 81 [2018-04-11 14:57:39,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:39,840 INFO L225 Difference]: With dead ends: 279 [2018-04-11 14:57:39,840 INFO L226 Difference]: Without dead ends: 265 [2018-04-11 14:57:39,840 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 9 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=201, Invalid=1869, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 14:57:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-04-11 14:57:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260. [2018-04-11 14:57:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-04-11 14:57:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 271 transitions. [2018-04-11 14:57:39,841 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 271 transitions. Word has length 81 [2018-04-11 14:57:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:39,841 INFO L459 AbstractCegarLoop]: Abstraction has 260 states and 271 transitions. [2018-04-11 14:57:39,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 14:57:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 271 transitions. [2018-04-11 14:57:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 14:57:39,842 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:39,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:39,842 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:39,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1903227362, now seen corresponding path program 2 times [2018-04-11 14:57:39,843 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:39,848 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:40,517 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:40,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 14:57:40,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:40,517 INFO L182 omatonBuilderFactory]: Interpolants [46208#(and (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 46209#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 46210#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 46211#(and (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (= main_~head~0.offset 0)), 46212#(and (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 46213#(and (= main_~head~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))))), 46214#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0)))) (= main_~head~0.offset 0)), 46215#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~head~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0)))))), 46216#(or (and (= main_~head~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))))) (not (= |main_#t~mem7| 0))), 46217#(and (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= 1 (select (select |#memory_int| |main_#t~mem8.base|) (+ main_~head~0.offset 4))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 46218#(and (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))))) (= main_~head~0.offset 0)), 46219#(or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 46220#(or (= 1 (select (select |#memory_int| |main_#t~mem13.base|) (+ 0 4))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))), 46221#(or (not (= main_~x~0.offset 0)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))), 46222#(or (not (= main_~x~0.offset 0)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem12| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 46223#(or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (= main_~x~0.offset main_~head~0.offset)) (and (not (= main_~x~0.offset 0)) (= main_~head~0.offset main_~x~0.offset))), 46224#(or (= main_~head~0.base |main_#t~mem13.base|) (not (= main_~head~0.offset 0))), 46225#(or (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.offset 0))), 46226#(= main_~x~0.base main_~head~0.base), 46227#(not (= (select |#valid| main_~x~0.base) 1)), 46199#true, 46200#false, 46201#(= 0 |main_#t~malloc0.offset|), 46202#(= main_~head~0.offset 0), 46203#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 46204#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 46205#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 46206#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 46207#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0))] [2018-04-11 14:57:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:40,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:40,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:40,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=710, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:40,518 INFO L87 Difference]: Start difference. First operand 260 states and 271 transitions. Second operand 29 states. [2018-04-11 14:57:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:41,494 INFO L93 Difference]: Finished difference Result 282 states and 292 transitions. [2018-04-11 14:57:41,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 14:57:41,494 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2018-04-11 14:57:41,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:41,495 INFO L225 Difference]: With dead ends: 282 [2018-04-11 14:57:41,495 INFO L226 Difference]: Without dead ends: 232 [2018-04-11 14:57:41,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=469, Invalid=2953, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:57:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-11 14:57:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2018-04-11 14:57:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-11 14:57:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 230 transitions. [2018-04-11 14:57:41,496 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 230 transitions. Word has length 81 [2018-04-11 14:57:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:41,496 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 230 transitions. [2018-04-11 14:57:41,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 230 transitions. [2018-04-11 14:57:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 14:57:41,497 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:41,497 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:57:41,497 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:41,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1939749940, now seen corresponding path program 10 times [2018-04-11 14:57:41,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:41,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:57:42,136 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:42,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 14:57:42,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:42,137 INFO L182 omatonBuilderFactory]: Interpolants [46790#true, 46791#false, 46792#(= 0 |main_#t~malloc0.offset|), 46793#(= main_~head~0.offset 0), 46794#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 46795#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 46796#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 46797#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 46798#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 46799#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46800#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46801#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 46802#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 46803#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|) (= main_~head~0.offset 0)), 46804#(and (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46805#(and (= 1 (select |#valid| main_~x~0.base)) (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46806#(and (= 1 (select |#valid| main_~x~0.base)) (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46807#(and (not (= |main_#t~malloc4.base| main_~x~0.base)) (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 46808#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 46809#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 46810#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 46811#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)))), 46812#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 46813#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)))))), 46814#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem7| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4))))) (not (= |main_#t~mem7| 0))), 46815#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4))))), 46816#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (+ 0 4))))), 46817#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 46818#(and (= 0 |main_#t~mem8.offset|) (not (= 0 (select (select |#memory_int| |main_#t~mem8.base|) (+ 0 4))))), 46819#(or (<= (+ main_~x~0.offset 1) 0) (and (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset 0))), 46820#(or (<= (+ main_~x~0.offset 1) 0) (and (not (= 0 |main_#t~mem7|)) (= main_~x~0.offset 0))), 46821#(<= (+ main_~x~0.offset 1) 0)] [2018-04-11 14:57:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 14:57:42,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:57:42,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:57:42,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=886, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:57:42,137 INFO L87 Difference]: Start difference. First operand 220 states and 230 transitions. Second operand 32 states. [2018-04-11 14:57:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:43,391 INFO L93 Difference]: Finished difference Result 286 states and 296 transitions. [2018-04-11 14:57:43,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:43,391 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 82 [2018-04-11 14:57:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:43,392 INFO L225 Difference]: With dead ends: 286 [2018-04-11 14:57:43,392 INFO L226 Difference]: Without dead ends: 281 [2018-04-11 14:57:43,392 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=468, Invalid=3072, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:57:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-04-11 14:57:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 229. [2018-04-11 14:57:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-04-11 14:57:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 239 transitions. [2018-04-11 14:57:43,393 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 239 transitions. Word has length 82 [2018-04-11 14:57:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:43,393 INFO L459 AbstractCegarLoop]: Abstraction has 229 states and 239 transitions. [2018-04-11 14:57:43,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:57:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 239 transitions. [2018-04-11 14:57:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 14:57:43,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:43,394 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:43,394 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:43,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1111529577, now seen corresponding path program 3 times [2018-04-11 14:57:43,395 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:43,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:43,678 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:43,678 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 14:57:43,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:43,678 INFO L182 omatonBuilderFactory]: Interpolants [47393#true, 47394#false, 47395#(= 1 (select |#valid| main_~head~0.base)), 47396#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 47397#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 47398#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 47399#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47400#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47401#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47402#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 47403#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 47404#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|))), 47405#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 47406#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47407#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 47408#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 47409#(or (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 47410#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 47411#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47412#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47413#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 47414#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 47415#(= |main_#t~mem15.offset| 0)] [2018-04-11 14:57:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:43,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 14:57:43,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 14:57:43,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:57:43,679 INFO L87 Difference]: Start difference. First operand 229 states and 239 transitions. Second operand 23 states. [2018-04-11 14:57:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:44,335 INFO L93 Difference]: Finished difference Result 284 states and 294 transitions. [2018-04-11 14:57:44,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 14:57:44,336 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 84 [2018-04-11 14:57:44,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:44,336 INFO L225 Difference]: With dead ends: 284 [2018-04-11 14:57:44,336 INFO L226 Difference]: Without dead ends: 284 [2018-04-11 14:57:44,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=1427, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 14:57:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-04-11 14:57:44,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 257. [2018-04-11 14:57:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-04-11 14:57:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 268 transitions. [2018-04-11 14:57:44,338 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 268 transitions. Word has length 84 [2018-04-11 14:57:44,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:44,338 INFO L459 AbstractCegarLoop]: Abstraction has 257 states and 268 transitions. [2018-04-11 14:57:44,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 14:57:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 268 transitions. [2018-04-11 14:57:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 14:57:44,338 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:44,339 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:44,339 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:44,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2102013648, now seen corresponding path program 11 times [2018-04-11 14:57:44,339 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:44,347 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:44,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:44,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:57:44,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:44,758 INFO L182 omatonBuilderFactory]: Interpolants [48000#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48001#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48002#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 48003#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 48004#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 48005#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48006#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48007#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 48008#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48009#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48010#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 48011#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base))), 48012#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48013#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 48014#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 48015#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 48016#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 48017#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 48018#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 48019#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48020#(= 1 (select |#valid| |main_#t~mem8.base|)), 48021#(= 1 (select |#valid| main_~x~0.base)), 47993#true, 47994#false, 47995#(= 1 (select |#valid| main_~head~0.base)), 47996#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 47997#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 47998#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47999#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-11 14:57:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:44,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:44,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:44,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:44,759 INFO L87 Difference]: Start difference. First operand 257 states and 268 transitions. Second operand 29 states. [2018-04-11 14:57:46,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:46,144 INFO L93 Difference]: Finished difference Result 337 states and 351 transitions. [2018-04-11 14:57:46,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 14:57:46,144 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 84 [2018-04-11 14:57:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:46,144 INFO L225 Difference]: With dead ends: 337 [2018-04-11 14:57:46,144 INFO L226 Difference]: Without dead ends: 337 [2018-04-11 14:57:46,145 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=365, Invalid=3057, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:57:46,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-11 14:57:46,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 274. [2018-04-11 14:57:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-11 14:57:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 287 transitions. [2018-04-11 14:57:46,146 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 287 transitions. Word has length 84 [2018-04-11 14:57:46,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:46,147 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 287 transitions. [2018-04-11 14:57:46,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 287 transitions. [2018-04-11 14:57:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 14:57:46,147 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:46,147 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:46,147 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:46,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2102013649, now seen corresponding path program 9 times [2018-04-11 14:57:46,148 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:46,159 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:46,701 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:46,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:57:46,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:46,701 INFO L182 omatonBuilderFactory]: Interpolants [48704#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 48705#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48706#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48707#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 48708#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48709#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48710#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48711#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48712#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 48713#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 48714#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 48715#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 48716#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 48717#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 48718#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 48719#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 48720#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 48721#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 48693#true, 48694#false, 48695#(= 1 (select |#valid| main_~head~0.base)), 48696#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 48697#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 48698#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 48699#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48700#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48701#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48702#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 48703#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)))] [2018-04-11 14:57:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:46,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:46,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:46,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:46,702 INFO L87 Difference]: Start difference. First operand 274 states and 287 transitions. Second operand 29 states. [2018-04-11 14:57:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:48,187 INFO L93 Difference]: Finished difference Result 364 states and 379 transitions. [2018-04-11 14:57:48,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:48,188 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 84 [2018-04-11 14:57:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:48,188 INFO L225 Difference]: With dead ends: 364 [2018-04-11 14:57:48,188 INFO L226 Difference]: Without dead ends: 364 [2018-04-11 14:57:48,189 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=252, Invalid=2298, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 14:57:48,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-04-11 14:57:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 266. [2018-04-11 14:57:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-04-11 14:57:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 278 transitions. [2018-04-11 14:57:48,190 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 278 transitions. Word has length 84 [2018-04-11 14:57:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:48,191 INFO L459 AbstractCegarLoop]: Abstraction has 266 states and 278 transitions. [2018-04-11 14:57:48,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 278 transitions. [2018-04-11 14:57:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 14:57:48,191 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:48,191 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-11 14:57:48,191 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:48,191 INFO L82 PathProgramCache]: Analyzing trace with hash 224744205, now seen corresponding path program 5 times [2018-04-11 14:57:48,192 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:48,199 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:48,610 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:48,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 14:57:48,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:48,611 INFO L182 omatonBuilderFactory]: Interpolants [49408#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49409#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49410#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 49411#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49412#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49413#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 49414#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49415#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 49416#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 49417#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 49418#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 49419#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 49420#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 49421#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 49422#(= 1 (select |#valid| |main_#t~mem10.base|)), 49423#(= 1 (select |#valid| main_~x~0.base)), 49396#true, 49397#false, 49398#(= 1 (select |#valid| main_~head~0.base)), 49399#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49400#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 49401#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 49402#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49403#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49404#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49405#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 49406#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 49407#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)))] [2018-04-11 14:57:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:48,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 14:57:48,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 14:57:48,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2018-04-11 14:57:48,612 INFO L87 Difference]: Start difference. First operand 266 states and 278 transitions. Second operand 28 states. [2018-04-11 14:57:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:49,940 INFO L93 Difference]: Finished difference Result 352 states and 367 transitions. [2018-04-11 14:57:49,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 14:57:49,941 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 84 [2018-04-11 14:57:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:49,941 INFO L225 Difference]: With dead ends: 352 [2018-04-11 14:57:49,941 INFO L226 Difference]: Without dead ends: 352 [2018-04-11 14:57:49,942 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=368, Invalid=3054, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:57:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-11 14:57:49,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 274. [2018-04-11 14:57:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-11 14:57:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 287 transitions. [2018-04-11 14:57:49,943 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 287 transitions. Word has length 84 [2018-04-11 14:57:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:49,944 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 287 transitions. [2018-04-11 14:57:49,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 14:57:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 287 transitions. [2018-04-11 14:57:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 14:57:49,944 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:49,944 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-11 14:57:49,944 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:49,944 INFO L82 PathProgramCache]: Analyzing trace with hash 224744206, now seen corresponding path program 5 times [2018-04-11 14:57:49,945 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:49,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:50,477 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:50,477 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:57:50,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:50,477 INFO L182 omatonBuilderFactory]: Interpolants [50112#true, 50113#false, 50114#(= 1 (select |#valid| main_~head~0.base)), 50115#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 50116#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 50117#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 50118#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50119#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50120#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50121#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 50122#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50123#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 50124#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50125#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50126#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 50127#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50128#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50129#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50130#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50131#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 50132#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 50133#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 50134#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 50135#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 50136#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 50137#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 50138#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 50139#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 50140#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:57:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:50,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:57:50,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:57:50,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:57:50,478 INFO L87 Difference]: Start difference. First operand 274 states and 287 transitions. Second operand 29 states. [2018-04-11 14:57:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:51,974 INFO L93 Difference]: Finished difference Result 367 states and 382 transitions. [2018-04-11 14:57:51,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:57:51,974 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 84 [2018-04-11 14:57:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:51,975 INFO L225 Difference]: With dead ends: 367 [2018-04-11 14:57:51,975 INFO L226 Difference]: Without dead ends: 367 [2018-04-11 14:57:51,975 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=252, Invalid=2298, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 14:57:51,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-04-11 14:57:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 266. [2018-04-11 14:57:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-04-11 14:57:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 278 transitions. [2018-04-11 14:57:51,977 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 278 transitions. Word has length 84 [2018-04-11 14:57:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:51,977 INFO L459 AbstractCegarLoop]: Abstraction has 266 states and 278 transitions. [2018-04-11 14:57:51,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:57:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 278 transitions. [2018-04-11 14:57:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 14:57:51,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:51,977 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:51,977 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash -97678266, now seen corresponding path program 2 times [2018-04-11 14:57:51,978 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:51,984 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:52,325 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:52,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 14:57:52,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:52,325 INFO L182 omatonBuilderFactory]: Interpolants [50818#true, 50819#false, 50820#(= 1 (select |#valid| main_~head~0.base)), 50821#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 50822#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 50823#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50824#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 50825#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50826#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50827#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 50828#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50829#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50830#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50831#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50832#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 50833#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 50834#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 50835#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 50836#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50837#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (not (= main_~head~0.base |main_#t~mem10.base|))), 50838#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50839#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50840#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 50841#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 50842#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 50843#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50844#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 50845#(= 1 (select |#valid| |main_#t~mem15.base|))] [2018-04-11 14:57:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:52,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 14:57:52,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 14:57:52,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2018-04-11 14:57:52,326 INFO L87 Difference]: Start difference. First operand 266 states and 278 transitions. Second operand 28 states. [2018-04-11 14:57:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:53,219 INFO L93 Difference]: Finished difference Result 317 states and 329 transitions. [2018-04-11 14:57:53,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 14:57:53,219 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 85 [2018-04-11 14:57:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:53,220 INFO L225 Difference]: With dead ends: 317 [2018-04-11 14:57:53,220 INFO L226 Difference]: Without dead ends: 317 [2018-04-11 14:57:53,220 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=2187, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 14:57:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-04-11 14:57:53,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 295. [2018-04-11 14:57:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-04-11 14:57:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 308 transitions. [2018-04-11 14:57:53,222 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 308 transitions. Word has length 85 [2018-04-11 14:57:53,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:53,222 INFO L459 AbstractCegarLoop]: Abstraction has 295 states and 308 transitions. [2018-04-11 14:57:53,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 14:57:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 308 transitions. [2018-04-11 14:57:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 14:57:53,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:53,223 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:53,223 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:53,223 INFO L82 PathProgramCache]: Analyzing trace with hash -807014770, now seen corresponding path program 4 times [2018-04-11 14:57:53,223 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:53,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:53,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:53,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 14:57:53,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:53,778 INFO L182 omatonBuilderFactory]: Interpolants [51520#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)))), 51521#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)))), 51522#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem10.base|))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem10.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 51523#(and (or (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 51524#(and (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 51525#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 51526#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))), 51527#(or (not (= |main_#t~mem13.offset| 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))))), 51528#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 51529#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 51530#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 51531#(or (and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))) (not (= main_~head~0.offset 0))), 51532#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 51533#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 51534#(= 1 (select |#valid| main_~x~0.base)), 51502#true, 51503#false, 51504#(= 1 (select |#valid| main_~head~0.base)), 51505#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51506#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 51507#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 51508#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 51509#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 51510#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 51511#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 51512#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51513#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 51514#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 51515#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 51516#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 51517#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)), 51518#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 51519#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0)))] [2018-04-11 14:57:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:53,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 14:57:53,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 14:57:53,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 14:57:53,779 INFO L87 Difference]: Start difference. First operand 295 states and 308 transitions. Second operand 33 states. [2018-04-11 14:57:55,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:55,098 INFO L93 Difference]: Finished difference Result 326 states and 340 transitions. [2018-04-11 14:57:55,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 14:57:55,098 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 85 [2018-04-11 14:57:55,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:55,099 INFO L225 Difference]: With dead ends: 326 [2018-04-11 14:57:55,099 INFO L226 Difference]: Without dead ends: 326 [2018-04-11 14:57:55,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=439, Invalid=3467, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 14:57:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-04-11 14:57:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 302. [2018-04-11 14:57:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-04-11 14:57:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 316 transitions. [2018-04-11 14:57:55,101 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 316 transitions. Word has length 85 [2018-04-11 14:57:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:55,101 INFO L459 AbstractCegarLoop]: Abstraction has 302 states and 316 transitions. [2018-04-11 14:57:55,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 14:57:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 316 transitions. [2018-04-11 14:57:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 14:57:55,101 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:55,101 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:57:55,101 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:55,101 INFO L82 PathProgramCache]: Analyzing trace with hash -807014769, now seen corresponding path program 4 times [2018-04-11 14:57:55,102 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:55,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:55,217 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:55,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 14:57:55,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:55,218 INFO L182 omatonBuilderFactory]: Interpolants [52224#false, 52225#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52226#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 52227#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 52228#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52229#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52230#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 4))), 52231#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 52232#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 4))), 52233#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4))), 52234#(and (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|)) (<= 0 (+ |main_#t~mem13.offset| 4))), 52235#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4))), 52223#true] [2018-04-11 14:57:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:57:55,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 14:57:55,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 14:57:55,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:57:55,218 INFO L87 Difference]: Start difference. First operand 302 states and 316 transitions. Second operand 13 states. [2018-04-11 14:57:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:55,627 INFO L93 Difference]: Finished difference Result 382 states and 397 transitions. [2018-04-11 14:57:55,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 14:57:55,628 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2018-04-11 14:57:55,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:55,628 INFO L225 Difference]: With dead ends: 382 [2018-04-11 14:57:55,628 INFO L226 Difference]: Without dead ends: 382 [2018-04-11 14:57:55,628 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:57:55,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-04-11 14:57:55,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 355. [2018-04-11 14:57:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-04-11 14:57:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 374 transitions. [2018-04-11 14:57:55,631 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 374 transitions. Word has length 85 [2018-04-11 14:57:55,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:55,631 INFO L459 AbstractCegarLoop]: Abstraction has 355 states and 374 transitions. [2018-04-11 14:57:55,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 14:57:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 374 transitions. [2018-04-11 14:57:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 14:57:55,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:55,632 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:57:55,632 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:55,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1255810956, now seen corresponding path program 12 times [2018-04-11 14:57:55,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:55,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:56,120 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:56,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 14:57:56,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:56,121 INFO L182 omatonBuilderFactory]: Interpolants [52997#true, 52998#false, 52999#(= 1 (select |#valid| main_~head~0.base)), 53000#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 53001#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 53002#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 53003#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53004#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53005#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53006#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53007#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 53008#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53009#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53010#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53011#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53012#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53013#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53014#(and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 53015#(and (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53016#(and (or (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53017#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 53018#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 53019#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53020#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 53021#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 53022#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 53023#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 53024#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 53025#(= 1 (select |#valid| |main_#t~mem8.base|)), 53026#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:57:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:56,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 14:57:56,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 14:57:56,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:57:56,121 INFO L87 Difference]: Start difference. First operand 355 states and 374 transitions. Second operand 30 states. [2018-04-11 14:57:57,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:57:57,698 INFO L93 Difference]: Finished difference Result 458 states and 482 transitions. [2018-04-11 14:57:57,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 14:57:57,698 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 86 [2018-04-11 14:57:57,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:57:57,699 INFO L225 Difference]: With dead ends: 458 [2018-04-11 14:57:57,699 INFO L226 Difference]: Without dead ends: 458 [2018-04-11 14:57:57,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=600, Invalid=3690, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 14:57:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-04-11 14:57:57,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 395. [2018-04-11 14:57:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-04-11 14:57:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 417 transitions. [2018-04-11 14:57:57,702 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 417 transitions. Word has length 86 [2018-04-11 14:57:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:57:57,702 INFO L459 AbstractCegarLoop]: Abstraction has 395 states and 417 transitions. [2018-04-11 14:57:57,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 14:57:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 417 transitions. [2018-04-11 14:57:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 14:57:57,702 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:57:57,702 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:57:57,702 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:57:57,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1255810957, now seen corresponding path program 10 times [2018-04-11 14:57:57,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:57:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:57:57,712 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:57:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:58,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:57:58,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 14:57:58,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:57:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:58,470 INFO L182 omatonBuilderFactory]: Interpolants [53952#true, 53953#false, 53954#(= 1 (select |#valid| main_~head~0.base)), 53955#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 53956#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 53957#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 53958#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53959#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53960#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53961#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53962#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 53963#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53964#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53965#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53966#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53967#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53968#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53969#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 53970#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53971#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53972#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 53973#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)))) (not (= main_~x~0.base main_~head~0.base))), 53974#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53975#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 53976#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 53977#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 53978#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 53979#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53980#(and (= 0 |main_#t~mem8.offset|) (<= 8 (select |#length| |main_#t~mem8.base|))), 53981#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-04-11 14:57:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:57:58,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 14:57:58,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 14:57:58,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:57:58,471 INFO L87 Difference]: Start difference. First operand 395 states and 417 transitions. Second operand 30 states. [2018-04-11 14:58:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:00,098 INFO L93 Difference]: Finished difference Result 494 states and 520 transitions. [2018-04-11 14:58:00,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 14:58:00,098 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 86 [2018-04-11 14:58:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:00,099 INFO L225 Difference]: With dead ends: 494 [2018-04-11 14:58:00,099 INFO L226 Difference]: Without dead ends: 494 [2018-04-11 14:58:00,100 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=484, Invalid=3056, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:58:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2018-04-11 14:58:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 387. [2018-04-11 14:58:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-04-11 14:58:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 408 transitions. [2018-04-11 14:58:00,102 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 408 transitions. Word has length 86 [2018-04-11 14:58:00,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:00,102 INFO L459 AbstractCegarLoop]: Abstraction has 387 states and 408 transitions. [2018-04-11 14:58:00,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 14:58:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 408 transitions. [2018-04-11 14:58:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 14:58:00,103 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:00,103 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:58:00,103 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:00,103 INFO L82 PathProgramCache]: Analyzing trace with hash -621458487, now seen corresponding path program 6 times [2018-04-11 14:58:00,103 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:00,111 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:00,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:00,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 14:58:00,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:00,570 INFO L182 omatonBuilderFactory]: Interpolants [54923#true, 54924#false, 54925#(= 1 (select |#valid| main_~head~0.base)), 54926#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 54927#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 54928#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 54929#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54930#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54931#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54932#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54933#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 54934#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54935#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54936#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54937#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54938#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54939#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54940#(and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 54941#(and (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54942#(and (or (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54943#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 54944#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 54945#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54946#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 54947#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 54948#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 54949#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 54950#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 54951#(= 1 (select |#valid| |main_#t~mem10.base|)), 54952#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:58:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:00,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 14:58:00,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 14:58:00,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:58:00,571 INFO L87 Difference]: Start difference. First operand 387 states and 408 transitions. Second operand 30 states. [2018-04-11 14:58:02,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:02,340 INFO L93 Difference]: Finished difference Result 456 states and 478 transitions. [2018-04-11 14:58:02,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 14:58:02,340 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 86 [2018-04-11 14:58:02,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:02,341 INFO L225 Difference]: With dead ends: 456 [2018-04-11 14:58:02,341 INFO L226 Difference]: Without dead ends: 456 [2018-04-11 14:58:02,341 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=598, Invalid=3692, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 14:58:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-04-11 14:58:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 395. [2018-04-11 14:58:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-04-11 14:58:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 417 transitions. [2018-04-11 14:58:02,344 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 417 transitions. Word has length 86 [2018-04-11 14:58:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:02,344 INFO L459 AbstractCegarLoop]: Abstraction has 395 states and 417 transitions. [2018-04-11 14:58:02,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 14:58:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 417 transitions. [2018-04-11 14:58:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 14:58:02,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:02,344 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 14:58:02,344 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:02,344 INFO L82 PathProgramCache]: Analyzing trace with hash -621458486, now seen corresponding path program 6 times [2018-04-11 14:58:02,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:02,354 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:03,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:03,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 14:58:03,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:03,125 INFO L182 omatonBuilderFactory]: Interpolants [55876#true, 55877#false, 55878#(= 1 (select |#valid| main_~head~0.base)), 55879#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 55880#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 55881#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 55882#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55883#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55884#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55885#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55886#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 55887#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55888#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55889#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55890#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55891#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 55892#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 55893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 55894#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55895#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55896#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 55897#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)))) (not (= main_~x~0.base main_~head~0.base))), 55898#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 55899#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 55900#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 55901#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 55902#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 55903#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55904#(and (<= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 55905#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-04-11 14:58:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:03,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 14:58:03,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 14:58:03,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2018-04-11 14:58:03,126 INFO L87 Difference]: Start difference. First operand 395 states and 417 transitions. Second operand 30 states. [2018-04-11 14:58:04,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:04,754 INFO L93 Difference]: Finished difference Result 479 states and 502 transitions. [2018-04-11 14:58:04,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 14:58:04,754 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 86 [2018-04-11 14:58:04,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:04,755 INFO L225 Difference]: With dead ends: 479 [2018-04-11 14:58:04,755 INFO L226 Difference]: Without dead ends: 479 [2018-04-11 14:58:04,756 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=484, Invalid=3056, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:58:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-11 14:58:04,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 387. [2018-04-11 14:58:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-04-11 14:58:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 408 transitions. [2018-04-11 14:58:04,758 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 408 transitions. Word has length 86 [2018-04-11 14:58:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:04,758 INFO L459 AbstractCegarLoop]: Abstraction has 387 states and 408 transitions. [2018-04-11 14:58:04,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 14:58:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 408 transitions. [2018-04-11 14:58:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 14:58:04,758 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:04,759 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:04,759 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:04,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1847891536, now seen corresponding path program 1 times [2018-04-11 14:58:04,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:04,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:05,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:05,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:58:05,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:05,145 INFO L182 omatonBuilderFactory]: Interpolants [56832#true, 56833#false, 56834#(= 1 (select |#valid| main_~head~0.base)), 56835#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56836#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base)), 56837#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56838#(and (= |main_#t~mem3.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 56839#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 56840#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 56841#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 56842#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 56843#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem3.base| main_~head~0.base))), 56844#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 56845#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 56846#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 56847#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 56848#(and (= main_~x~0.offset main_~head~0.offset) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= |main_#t~mem7| 0))) (= main_~x~0.base main_~head~0.base)), 56849#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))), 56850#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 56851#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.offset|)), 56852#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 56853#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 56854#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)), 56855#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 56856#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 56857#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 56858#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 56859#(= main_~x~0.offset 0), 56860#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:58:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:05,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:58:05,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:58:05,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:58:05,146 INFO L87 Difference]: Start difference. First operand 387 states and 408 transitions. Second operand 29 states. [2018-04-11 14:58:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:05,924 INFO L93 Difference]: Finished difference Result 420 states and 439 transitions. [2018-04-11 14:58:05,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 14:58:05,924 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 87 [2018-04-11 14:58:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:05,925 INFO L225 Difference]: With dead ends: 420 [2018-04-11 14:58:05,925 INFO L226 Difference]: Without dead ends: 420 [2018-04-11 14:58:05,925 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=276, Invalid=2076, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 14:58:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-04-11 14:58:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 389. [2018-04-11 14:58:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-04-11 14:58:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 411 transitions. [2018-04-11 14:58:05,927 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 411 transitions. Word has length 87 [2018-04-11 14:58:05,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:05,928 INFO L459 AbstractCegarLoop]: Abstraction has 389 states and 411 transitions. [2018-04-11 14:58:05,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:58:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 411 transitions. [2018-04-11 14:58:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-11 14:58:05,928 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:05,928 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:05,928 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:05,928 INFO L82 PathProgramCache]: Analyzing trace with hash -723956503, now seen corresponding path program 2 times [2018-04-11 14:58:05,929 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:05,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:06,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:06,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 14:58:06,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:06,207 INFO L182 omatonBuilderFactory]: Interpolants [57728#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57729#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57730#(not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 57731#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 57732#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57733#(and (not (= main_~x~0.base |main_#t~mem15.base|)) (= 1 (select |#valid| main_~x~0.base))), 57734#(= 1 (select |#valid| main_~x~0.base)), 57710#true, 57711#false, 57712#(= 1 (select |#valid| main_~head~0.base)), 57713#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 57714#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 57715#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 57716#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 57717#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 57718#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 57719#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 57720#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57721#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 57722#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 57723#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57724#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)), 57725#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base))), 57726#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 57727#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-04-11 14:58:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:06,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 14:58:06,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 14:58:06,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2018-04-11 14:58:06,207 INFO L87 Difference]: Start difference. First operand 389 states and 411 transitions. Second operand 25 states. [2018-04-11 14:58:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:06,968 INFO L93 Difference]: Finished difference Result 399 states and 420 transitions. [2018-04-11 14:58:06,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 14:58:06,969 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 89 [2018-04-11 14:58:06,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:06,970 INFO L225 Difference]: With dead ends: 399 [2018-04-11 14:58:06,970 INFO L226 Difference]: Without dead ends: 399 [2018-04-11 14:58:06,970 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=1943, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 14:58:06,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-11 14:58:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2018-04-11 14:58:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-04-11 14:58:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 417 transitions. [2018-04-11 14:58:06,972 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 417 transitions. Word has length 89 [2018-04-11 14:58:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:06,972 INFO L459 AbstractCegarLoop]: Abstraction has 394 states and 417 transitions. [2018-04-11 14:58:06,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 14:58:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 417 transitions. [2018-04-11 14:58:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-11 14:58:06,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:06,973 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:06,973 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:06,973 INFO L82 PathProgramCache]: Analyzing trace with hash 2002276943, now seen corresponding path program 2 times [2018-04-11 14:58:06,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:06,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:07,250 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:07,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 14:58:07,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:07,250 INFO L182 omatonBuilderFactory]: Interpolants [58574#true, 58575#false, 58576#(= 1 (select |#valid| main_~head~0.base)), 58577#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 58578#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base)), 58579#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 58580#(and (= |main_#t~mem3.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 58581#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 58582#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 58583#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 58584#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 58585#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem3.base| main_~head~0.base))), 58586#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 58587#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 58588#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 58589#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 58590#(or (not (= |main_#t~mem7| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 58591#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))), 58592#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 58593#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 58594#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)), 58595#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 58596#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 58597#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 58598#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 58599#(= 0 main_~x~0.offset), 58600#(= main_~head~0.offset 0)] [2018-04-11 14:58:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:07,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 14:58:07,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 14:58:07,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2018-04-11 14:58:07,251 INFO L87 Difference]: Start difference. First operand 394 states and 417 transitions. Second operand 27 states. [2018-04-11 14:58:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:08,084 INFO L93 Difference]: Finished difference Result 414 states and 434 transitions. [2018-04-11 14:58:08,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 14:58:08,084 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 89 [2018-04-11 14:58:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:08,084 INFO L225 Difference]: With dead ends: 414 [2018-04-11 14:58:08,085 INFO L226 Difference]: Without dead ends: 414 [2018-04-11 14:58:08,085 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=282, Invalid=2168, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 14:58:08,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-04-11 14:58:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 385. [2018-04-11 14:58:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-04-11 14:58:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 407 transitions. [2018-04-11 14:58:08,087 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 407 transitions. Word has length 89 [2018-04-11 14:58:08,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:08,087 INFO L459 AbstractCegarLoop]: Abstraction has 385 states and 407 transitions. [2018-04-11 14:58:08,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 14:58:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 407 transitions. [2018-04-11 14:58:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-11 14:58:08,087 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:08,088 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:08,088 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:08,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1937837854, now seen corresponding path program 2 times [2018-04-11 14:58:08,088 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:08,096 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:08,791 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:08,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:58:08,792 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:08,792 INFO L182 omatonBuilderFactory]: Interpolants [59456#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 59457#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 59458#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 59459#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~head~0.offset 0)), 59460#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59461#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59462#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59463#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59464#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59465#(and (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 59466#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 59467#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4)))), 59468#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4))))), 59469#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4)))) (not (= |main_#t~mem7| 0))), 59470#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 59471#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 59472#(and (= 1 (select (select |#memory_int| |main_#t~mem10.base|) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.offset|)), 59473#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~x~0.offset) (= main_~x~0.offset 0))), 59474#(and (or (= 1 |main_#t~mem11|) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset 0)), 59475#(and (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 59476#(not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)), 59477#(not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)), 59478#(not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)), 59479#(not (= |main_#t~mem15.offset| 0)), 59446#true, 59447#false, 59448#(= 0 |main_#t~malloc0.offset|), 59449#(= main_~head~0.offset 0), 59450#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 59451#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 59452#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 59453#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 59454#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 59455#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0))] [2018-04-11 14:58:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:08,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 14:58:08,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 14:58:08,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 14:58:08,793 INFO L87 Difference]: Start difference. First operand 385 states and 407 transitions. Second operand 34 states. [2018-04-11 14:58:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:10,091 INFO L93 Difference]: Finished difference Result 394 states and 413 transitions. [2018-04-11 14:58:10,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 14:58:10,091 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 92 [2018-04-11 14:58:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:10,092 INFO L225 Difference]: With dead ends: 394 [2018-04-11 14:58:10,092 INFO L226 Difference]: Without dead ends: 388 [2018-04-11 14:58:10,092 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=532, Invalid=4024, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 14:58:10,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-11 14:58:10,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 375. [2018-04-11 14:58:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-11 14:58:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 396 transitions. [2018-04-11 14:58:10,094 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 396 transitions. Word has length 92 [2018-04-11 14:58:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:10,094 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 396 transitions. [2018-04-11 14:58:10,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 14:58:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 396 transitions. [2018-04-11 14:58:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-11 14:58:10,095 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:10,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:10,095 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:10,095 INFO L82 PathProgramCache]: Analyzing trace with hash -35768975, now seen corresponding path program 4 times [2018-04-11 14:58:10,095 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:10,102 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:10,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:10,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 14:58:10,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:10,474 INFO L182 omatonBuilderFactory]: Interpolants [60317#true, 60318#false, 60319#(= 1 (select |#valid| main_~head~0.base)), 60320#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 60321#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base)), 60322#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 60323#(and (= |main_#t~mem3.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 60324#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 60325#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 60326#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 60327#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 60328#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem3.base| main_~head~0.base))), 60329#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 60330#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc4.offset|)), 60331#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 60332#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60333#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 60334#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 60335#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 60336#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 60337#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 60338#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))), 60339#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 60340#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 60341#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= main_~head~0.offset 0))), 60342#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 60343#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 60344#(= |main_#t~mem15.offset| 0)] [2018-04-11 14:58:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:10,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 14:58:10,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 14:58:10,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2018-04-11 14:58:10,474 INFO L87 Difference]: Start difference. First operand 375 states and 396 transitions. Second operand 28 states. [2018-04-11 14:58:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:11,319 INFO L93 Difference]: Finished difference Result 411 states and 429 transitions. [2018-04-11 14:58:11,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 14:58:11,319 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 92 [2018-04-11 14:58:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:11,320 INFO L225 Difference]: With dead ends: 411 [2018-04-11 14:58:11,320 INFO L226 Difference]: Without dead ends: 411 [2018-04-11 14:58:11,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=2209, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 14:58:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-04-11 14:58:11,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 392. [2018-04-11 14:58:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-04-11 14:58:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 414 transitions. [2018-04-11 14:58:11,322 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 414 transitions. Word has length 92 [2018-04-11 14:58:11,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:11,322 INFO L459 AbstractCegarLoop]: Abstraction has 392 states and 414 transitions. [2018-04-11 14:58:11,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 14:58:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 414 transitions. [2018-04-11 14:58:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:11,323 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:11,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:11,323 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:11,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1108837972, now seen corresponding path program 3 times [2018-04-11 14:58:11,324 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:11,331 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:12,090 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:12,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:58:12,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:12,090 INFO L182 omatonBuilderFactory]: Interpolants [61192#true, 61193#false, 61194#(= 1 (select |#valid| main_~head~0.base)), 61195#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 61196#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base)), 61197#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 61198#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 61199#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 61200#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 61201#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 61202#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 61203#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 61204#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 61205#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 61206#(and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 61207#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (or (= main_~head~0.base |main_#t~mem5.base|) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base |main_#t~mem5.base|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 61208#(and (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 61209#(and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base)), 61210#(and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base)), 61211#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base))), 61212#(or (and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 61213#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)))) (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) main_~head~0.base)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))))), 61214#(and (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 61215#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 61216#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 61217#(or (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))))), 61218#(or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~x~0.base))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 61219#(or (not (= 0 main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) main_~x~0.base)))), 61220#(or (not (= 0 main_~head~0.offset)) (and (= main_~x~0.offset main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 61221#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= main_~head~0.offset 0))), 61222#(or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 61223#(or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 61224#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 61225#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 61226#(= 1 (select |#valid| |main_#t~mem15.base|))] [2018-04-11 14:58:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:12,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 14:58:12,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 14:58:12,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 14:58:12,091 INFO L87 Difference]: Start difference. First operand 392 states and 414 transitions. Second operand 35 states. [2018-04-11 14:58:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:13,541 INFO L93 Difference]: Finished difference Result 398 states and 418 transitions. [2018-04-11 14:58:13,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 14:58:13,541 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 93 [2018-04-11 14:58:13,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:13,542 INFO L225 Difference]: With dead ends: 398 [2018-04-11 14:58:13,542 INFO L226 Difference]: Without dead ends: 398 [2018-04-11 14:58:13,542 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=3083, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:58:13,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-04-11 14:58:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 393. [2018-04-11 14:58:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-04-11 14:58:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 415 transitions. [2018-04-11 14:58:13,544 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 415 transitions. Word has length 93 [2018-04-11 14:58:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:13,544 INFO L459 AbstractCegarLoop]: Abstraction has 393 states and 415 transitions. [2018-04-11 14:58:13,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 14:58:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 415 transitions. [2018-04-11 14:58:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:13,545 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:13,545 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:13,545 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1818174476, now seen corresponding path program 5 times [2018-04-11 14:58:13,545 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:13,552 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:14,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:14,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 14:58:14,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:14,263 INFO L182 omatonBuilderFactory]: Interpolants [62080#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62081#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 62082#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 62083#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 62084#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))))), 62085#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))) (not (= |main_#t~mem7| 0))), 62086#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)))), 62087#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 62088#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 62089#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 62090#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)))), 62091#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~x~0.offset))), 62092#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~x~0.offset))), 62093#(or (not (= 0 main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 62094#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))))), 62095#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.offset)) (not (= main_~x~0.offset 0))), 62096#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 62097#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 62098#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 62099#(or (and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))) (not (= main_~head~0.offset 0))), 62100#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 62101#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 62102#(= 1 (select |#valid| main_~x~0.base)), 62066#true, 62067#false, 62068#(= 1 (select |#valid| main_~head~0.base)), 62069#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62070#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 62071#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62072#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 62073#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62074#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62075#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 62076#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62077#(and (= |main_#t~mem3.offset| 0) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 62078#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62079#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))] [2018-04-11 14:58:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:14,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 14:58:14,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 14:58:14,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1218, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 14:58:14,264 INFO L87 Difference]: Start difference. First operand 393 states and 415 transitions. Second operand 37 states. [2018-04-11 14:58:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:16,032 INFO L93 Difference]: Finished difference Result 416 states and 437 transitions. [2018-04-11 14:58:16,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 14:58:16,033 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 93 [2018-04-11 14:58:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:16,033 INFO L225 Difference]: With dead ends: 416 [2018-04-11 14:58:16,033 INFO L226 Difference]: Without dead ends: 416 [2018-04-11 14:58:16,034 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=516, Invalid=4314, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 14:58:16,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-04-11 14:58:16,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 400. [2018-04-11 14:58:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-11 14:58:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 423 transitions. [2018-04-11 14:58:16,036 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 423 transitions. Word has length 93 [2018-04-11 14:58:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:16,036 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 423 transitions. [2018-04-11 14:58:16,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 14:58:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 423 transitions. [2018-04-11 14:58:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:16,037 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:16,037 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:16,037 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:16,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1818174475, now seen corresponding path program 5 times [2018-04-11 14:58:16,037 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:16,043 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:16,504 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:16,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:16,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:16,504 INFO L182 omatonBuilderFactory]: Interpolants [62985#true, 62986#false, 62987#(= 1 (select |#valid| main_~head~0.base)), 62988#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62989#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 62990#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62991#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 62992#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62993#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62994#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 62995#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62996#(and (= |main_#t~mem3.offset| 0) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem3.base| main_~head~0.base))), 62997#(and (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62998#(and (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 62999#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 63000#(and (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 63001#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 63002#(or (and (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 63003#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)))), 63004#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 63005#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))), 63006#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)))), 63007#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 63008#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 63009#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= main_~head~0.offset 0))) (or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (not (= main_~head~0.offset 0)))), 63010#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.offset 0))) (or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 63011#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 63012#(and (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 63013#(and (or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))) (or (= 8 (select |#length| |main_#t~mem13.base|)) (not (= main_~head~0.offset 0)))), 63014#(and (or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))) (or (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.offset 0)))), 63015#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:58:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:16,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:16,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:16,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:16,505 INFO L87 Difference]: Start difference. First operand 400 states and 423 transitions. Second operand 31 states. [2018-04-11 14:58:17,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:17,590 INFO L93 Difference]: Finished difference Result 436 states and 454 transitions. [2018-04-11 14:58:17,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 14:58:17,590 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 93 [2018-04-11 14:58:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:17,591 INFO L225 Difference]: With dead ends: 436 [2018-04-11 14:58:17,591 INFO L226 Difference]: Without dead ends: 436 [2018-04-11 14:58:17,591 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=2411, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 14:58:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-04-11 14:58:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 402. [2018-04-11 14:58:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-04-11 14:58:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 425 transitions. [2018-04-11 14:58:17,595 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 425 transitions. Word has length 93 [2018-04-11 14:58:17,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:17,595 INFO L459 AbstractCegarLoop]: Abstraction has 402 states and 425 transitions. [2018-04-11 14:58:17,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 425 transitions. [2018-04-11 14:58:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:17,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:17,596 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2018-04-11 14:58:17,596 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:17,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1919094243, now seen corresponding path program 13 times [2018-04-11 14:58:17,596 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:17,605 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:18,135 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:18,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:18,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:18,136 INFO L182 omatonBuilderFactory]: Interpolants [63896#true, 63897#false, 63898#(= 1 (select |#valid| main_~head~0.base)), 63899#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 63900#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 63901#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63902#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63903#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 63904#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 63905#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 63906#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 63907#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 63908#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 63909#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 63910#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 63911#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 63912#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63913#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63914#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63915#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 63916#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 63917#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 63918#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 63919#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))), 63920#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 63921#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 63922#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 63923#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 63924#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 63925#(= 1 (select |#valid| |main_#t~mem8.base|)), 63926#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:58:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:18,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:18,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:18,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:18,136 INFO L87 Difference]: Start difference. First operand 402 states and 425 transitions. Second operand 31 states. [2018-04-11 14:58:19,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:19,697 INFO L93 Difference]: Finished difference Result 479 states and 504 transitions. [2018-04-11 14:58:19,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 14:58:19,697 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 93 [2018-04-11 14:58:19,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:19,698 INFO L225 Difference]: With dead ends: 479 [2018-04-11 14:58:19,698 INFO L226 Difference]: Without dead ends: 479 [2018-04-11 14:58:19,698 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=426, Invalid=3734, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 14:58:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-11 14:58:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 419. [2018-04-11 14:58:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-04-11 14:58:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 444 transitions. [2018-04-11 14:58:19,701 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 444 transitions. Word has length 93 [2018-04-11 14:58:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:19,702 INFO L459 AbstractCegarLoop]: Abstraction has 419 states and 444 transitions. [2018-04-11 14:58:19,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 444 transitions. [2018-04-11 14:58:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:19,702 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:19,702 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2018-04-11 14:58:19,702 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:19,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1919094242, now seen corresponding path program 11 times [2018-04-11 14:58:19,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:19,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:20,335 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:20,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:20,335 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:20,336 INFO L182 omatonBuilderFactory]: Interpolants [64896#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 64897#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 64898#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 64899#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64900#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 64901#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 64902#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 64903#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 64904#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 64905#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 64906#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 64907#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 64908#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 64909#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 64910#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 64911#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 64912#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 64913#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 64914#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 64915#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= |main_#t~mem7| 0))), 64916#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))), 64917#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 64918#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 64919#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 64920#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 64921#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 64922#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 64923#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 64893#true, 64894#false, 64895#(= 1 (select |#valid| main_~head~0.base))] [2018-04-11 14:58:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:20,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:20,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:20,336 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:20,336 INFO L87 Difference]: Start difference. First operand 419 states and 444 transitions. Second operand 31 states. [2018-04-11 14:58:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:22,116 INFO L93 Difference]: Finished difference Result 515 states and 542 transitions. [2018-04-11 14:58:22,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 14:58:22,116 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 93 [2018-04-11 14:58:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:22,117 INFO L225 Difference]: With dead ends: 515 [2018-04-11 14:58:22,117 INFO L226 Difference]: Without dead ends: 515 [2018-04-11 14:58:22,117 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=260, Invalid=2820, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 14:58:22,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-04-11 14:58:22,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 411. [2018-04-11 14:58:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-11 14:58:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 435 transitions. [2018-04-11 14:58:22,119 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 435 transitions. Word has length 93 [2018-04-11 14:58:22,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:22,119 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 435 transitions. [2018-04-11 14:58:22,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 435 transitions. [2018-04-11 14:58:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:22,120 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:22,120 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:22,120 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:22,120 INFO L82 PathProgramCache]: Analyzing trace with hash 498603610, now seen corresponding path program 7 times [2018-04-11 14:58:22,121 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:22,129 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:22,631 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:22,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:22,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:22,631 INFO L182 omatonBuilderFactory]: Interpolants [65921#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 65920#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 65923#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))), 65922#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 65925#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 65924#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 65927#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 65926#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 65929#(= 1 (select |#valid| |main_#t~mem10.base|)), 65928#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 65930#(= 1 (select |#valid| main_~x~0.base)), 65901#false, 65900#true, 65903#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 65902#(= 1 (select |#valid| main_~head~0.base)), 65905#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 65904#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 65907#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 65906#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65909#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 65908#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 65911#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 65910#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 65913#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65912#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65915#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65914#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 65917#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65916#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65919#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 65918#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-04-11 14:58:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:22,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:22,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:22,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:22,632 INFO L87 Difference]: Start difference. First operand 411 states and 435 transitions. Second operand 31 states. [2018-04-11 14:58:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:24,329 INFO L93 Difference]: Finished difference Result 492 states and 518 transitions. [2018-04-11 14:58:24,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-11 14:58:24,329 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 93 [2018-04-11 14:58:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:24,329 INFO L225 Difference]: With dead ends: 492 [2018-04-11 14:58:24,329 INFO L226 Difference]: Without dead ends: 492 [2018-04-11 14:58:24,330 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1002 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=467, Invalid=4089, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 14:58:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-04-11 14:58:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 419. [2018-04-11 14:58:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-04-11 14:58:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 444 transitions. [2018-04-11 14:58:24,332 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 444 transitions. Word has length 93 [2018-04-11 14:58:24,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:24,332 INFO L459 AbstractCegarLoop]: Abstraction has 419 states and 444 transitions. [2018-04-11 14:58:24,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 444 transitions. [2018-04-11 14:58:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 14:58:24,332 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:24,332 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:24,332 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:24,332 INFO L82 PathProgramCache]: Analyzing trace with hash 498603611, now seen corresponding path program 7 times [2018-04-11 14:58:24,333 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:24,340 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:24,887 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:24,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:24,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:24,888 INFO L182 omatonBuilderFactory]: Interpolants [66945#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 66944#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 66946#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 66917#false, 66916#true, 66919#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 66918#(= 1 (select |#valid| main_~head~0.base)), 66921#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 66920#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 66923#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 66922#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66925#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 66924#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 66927#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 66926#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 66929#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66928#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66931#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 66930#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 66933#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66932#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66935#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 66934#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 66937#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 66936#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 66939#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))), 66938#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= |main_#t~mem7| 0))), 66941#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 66940#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 66943#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 66942#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))] [2018-04-11 14:58:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:24,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:24,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:24,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:24,889 INFO L87 Difference]: Start difference. First operand 419 states and 444 transitions. Second operand 31 states. [2018-04-11 14:58:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:26,583 INFO L93 Difference]: Finished difference Result 518 states and 545 transitions. [2018-04-11 14:58:26,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 14:58:26,583 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 93 [2018-04-11 14:58:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:26,584 INFO L225 Difference]: With dead ends: 518 [2018-04-11 14:58:26,584 INFO L226 Difference]: Without dead ends: 518 [2018-04-11 14:58:26,584 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=260, Invalid=2820, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 14:58:26,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-04-11 14:58:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 411. [2018-04-11 14:58:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-11 14:58:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 435 transitions. [2018-04-11 14:58:26,586 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 435 transitions. Word has length 93 [2018-04-11 14:58:26,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:26,586 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 435 transitions. [2018-04-11 14:58:26,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 435 transitions. [2018-04-11 14:58:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-11 14:58:26,586 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:26,587 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:26,587 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:26,587 INFO L82 PathProgramCache]: Analyzing trace with hash -311137455, now seen corresponding path program 4 times [2018-04-11 14:58:26,587 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:26,594 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:26,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:26,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:58:26,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:26,963 INFO L182 omatonBuilderFactory]: Interpolants [67927#false, 67926#true, 67929#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 67928#(= 1 (select |#valid| main_~head~0.base)), 67931#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 67930#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 67933#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 67932#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base))), 67935#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 67934#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 67937#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67936#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 67939#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 67938#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67941#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 67940#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 67943#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 67942#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 67945#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem8.base|)), 67944#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 67947#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 67946#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 67949#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 67948#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67951#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 67950#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 67953#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 67952#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 67954#(= 1 (select |#valid| |main_#t~mem15.base|))] [2018-04-11 14:58:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:26,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:58:26,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:58:26,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:58:26,964 INFO L87 Difference]: Start difference. First operand 411 states and 435 transitions. Second operand 29 states. [2018-04-11 14:58:27,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:27,987 INFO L93 Difference]: Finished difference Result 415 states and 437 transitions. [2018-04-11 14:58:27,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:58:27,988 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 94 [2018-04-11 14:58:27,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:27,988 INFO L225 Difference]: With dead ends: 415 [2018-04-11 14:58:27,988 INFO L226 Difference]: Without dead ends: 415 [2018-04-11 14:58:27,988 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=2373, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 14:58:27,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-04-11 14:58:27,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 411. [2018-04-11 14:58:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-11 14:58:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 434 transitions. [2018-04-11 14:58:27,990 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 434 transitions. Word has length 94 [2018-04-11 14:58:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:27,990 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 434 transitions. [2018-04-11 14:58:27,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:58:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 434 transitions. [2018-04-11 14:58:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-11 14:58:27,991 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:27,991 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:27,991 INFO L408 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:27,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1020473958, now seen corresponding path program 6 times [2018-04-11 14:58:27,991 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:27,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:58:28,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:28,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 14:58:28,123 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:28,123 INFO L182 omatonBuilderFactory]: Interpolants [68833#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68832#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem8.base|) (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68835#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68834#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68837#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 68836#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 68839#(and (<= (+ |main_#t~mem13.offset| 8) (select |#length| |main_#t~mem13.base|)) (<= 0 |main_#t~mem13.offset|)), 68838#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68840#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 68827#true, 68829#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 68828#false, 68831#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 68830#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-04-11 14:58:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-11 14:58:28,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 14:58:28,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 14:58:28,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-11 14:58:28,124 INFO L87 Difference]: Start difference. First operand 411 states and 434 transitions. Second operand 14 states. [2018-04-11 14:58:28,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:28,592 INFO L93 Difference]: Finished difference Result 521 states and 543 transitions. [2018-04-11 14:58:28,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 14:58:28,592 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2018-04-11 14:58:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:28,592 INFO L225 Difference]: With dead ends: 521 [2018-04-11 14:58:28,593 INFO L226 Difference]: Without dead ends: 521 [2018-04-11 14:58:28,593 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-04-11 14:58:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-04-11 14:58:28,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 414. [2018-04-11 14:58:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-11 14:58:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 438 transitions. [2018-04-11 14:58:28,595 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 438 transitions. Word has length 94 [2018-04-11 14:58:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:28,595 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 438 transitions. [2018-04-11 14:58:28,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 14:58:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 438 transitions. [2018-04-11 14:58:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 14:58:28,595 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:28,595 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:28,595 INFO L408 AbstractCegarLoop]: === Iteration 108 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:28,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1558726056, now seen corresponding path program 5 times [2018-04-11 14:58:28,596 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:28,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:28,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:28,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 14:58:28,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:28,909 INFO L182 omatonBuilderFactory]: Interpolants [69795#false, 69794#true, 69797#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 69796#(= 1 (select |#valid| main_~head~0.base)), 69799#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 69798#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 69801#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 69800#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69803#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 69802#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 69805#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 69804#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 69807#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 69806#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 69809#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|))), 69808#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 69811#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69810#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 69813#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 69812#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 69815#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 69814#(or (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 69817#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 69816#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69819#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 69818#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 69820#(= |main_#t~mem15.offset| 0)] [2018-04-11 14:58:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:28,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 14:58:28,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 14:58:28,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2018-04-11 14:58:28,910 INFO L87 Difference]: Start difference. First operand 414 states and 438 transitions. Second operand 27 states. [2018-04-11 14:58:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:29,652 INFO L93 Difference]: Finished difference Result 443 states and 466 transitions. [2018-04-11 14:58:29,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 14:58:29,652 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 95 [2018-04-11 14:58:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:29,653 INFO L225 Difference]: With dead ends: 443 [2018-04-11 14:58:29,653 INFO L226 Difference]: Without dead ends: 443 [2018-04-11 14:58:29,653 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=265, Invalid=1805, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 14:58:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-04-11 14:58:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 420. [2018-04-11 14:58:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-11 14:58:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 444 transitions. [2018-04-11 14:58:29,655 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 444 transitions. Word has length 95 [2018-04-11 14:58:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:29,655 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 444 transitions. [2018-04-11 14:58:29,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 14:58:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 444 transitions. [2018-04-11 14:58:29,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 14:58:29,655 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:29,655 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2018-04-11 14:58:29,656 INFO L408 AbstractCegarLoop]: === Iteration 109 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:29,656 INFO L82 PathProgramCache]: Analyzing trace with hash 477301985, now seen corresponding path program 14 times [2018-04-11 14:58:29,656 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:29,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:30,247 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:30,247 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:30,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:30,248 INFO L182 omatonBuilderFactory]: Interpolants [70723#false, 70722#true, 70725#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70724#(= 1 (select |#valid| main_~head~0.base)), 70727#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 70726#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 70729#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 70728#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 70731#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 70730#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 70733#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 70732#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 70735#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70734#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70737#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 70736#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 70739#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70738#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70741#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70740#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 70743#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 70742#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 70745#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 70744#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70747#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 70746#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 70749#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 70748#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 70751#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 70750#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 70753#(= 1 (select |#valid| main_~x~0.base)), 70752#(= 1 (select |#valid| |main_#t~mem8.base|))] [2018-04-11 14:58:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:30,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:30,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:30,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:30,248 INFO L87 Difference]: Start difference. First operand 420 states and 444 transitions. Second operand 32 states. [2018-04-11 14:58:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:32,098 INFO L93 Difference]: Finished difference Result 522 states and 549 transitions. [2018-04-11 14:58:32,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 14:58:32,098 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 95 [2018-04-11 14:58:32,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:32,098 INFO L225 Difference]: With dead ends: 522 [2018-04-11 14:58:32,099 INFO L226 Difference]: Without dead ends: 522 [2018-04-11 14:58:32,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=550, Invalid=4420, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 14:58:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-04-11 14:58:32,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 437. [2018-04-11 14:58:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-04-11 14:58:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 463 transitions. [2018-04-11 14:58:32,101 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 463 transitions. Word has length 95 [2018-04-11 14:58:32,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:32,101 INFO L459 AbstractCegarLoop]: Abstraction has 437 states and 463 transitions. [2018-04-11 14:58:32,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 463 transitions. [2018-04-11 14:58:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 14:58:32,101 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:32,101 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2018-04-11 14:58:32,101 INFO L408 AbstractCegarLoop]: === Iteration 110 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 477301986, now seen corresponding path program 12 times [2018-04-11 14:58:32,102 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:32,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:32,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:32,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:32,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:32,931 INFO L182 omatonBuilderFactory]: Interpolants [71809#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 71808#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 71811#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 71810#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 71813#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 71812#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 71815#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 71814#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 71817#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 71816#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 71819#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 71818#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 71821#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 71820#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 71822#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 71791#true, 71793#(= 1 (select |#valid| main_~head~0.base)), 71792#false, 71795#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 71794#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 71797#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71796#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 71799#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 71798#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 71801#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 71800#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 71803#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71802#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 71805#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 71804#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71807#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 71806#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-04-11 14:58:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:32,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:32,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:32,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:32,931 INFO L87 Difference]: Start difference. First operand 437 states and 463 transitions. Second operand 32 states. [2018-04-11 14:58:34,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:34,749 INFO L93 Difference]: Finished difference Result 551 states and 580 transitions. [2018-04-11 14:58:34,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 14:58:34,749 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 95 [2018-04-11 14:58:34,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:34,750 INFO L225 Difference]: With dead ends: 551 [2018-04-11 14:58:34,750 INFO L226 Difference]: Without dead ends: 551 [2018-04-11 14:58:34,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=350, Invalid=3190, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:58:34,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-04-11 14:58:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 429. [2018-04-11 14:58:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-04-11 14:58:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 454 transitions. [2018-04-11 14:58:34,752 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 454 transitions. Word has length 95 [2018-04-11 14:58:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:34,752 INFO L459 AbstractCegarLoop]: Abstraction has 429 states and 454 transitions. [2018-04-11 14:58:34,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 454 transitions. [2018-04-11 14:58:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 14:58:34,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:34,752 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 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] [2018-04-11 14:58:34,752 INFO L408 AbstractCegarLoop]: === Iteration 111 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1399967458, now seen corresponding path program 8 times [2018-04-11 14:58:34,753 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:34,765 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:35,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:35,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:35,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:35,331 INFO L182 omatonBuilderFactory]: Interpolants [72859#true, 72861#(= 1 (select |#valid| main_~head~0.base)), 72860#false, 72863#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 72862#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 72865#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 72864#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 72867#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 72866#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 72869#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 72868#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 72871#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 72870#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 72873#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 72872#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 72875#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72874#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 72877#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 72876#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72879#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 72878#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 72881#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72880#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 72883#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 72882#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 72885#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 72884#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 72887#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 72886#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 72889#(= 1 (select |#valid| |main_#t~mem10.base|)), 72888#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 72890#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:58:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:35,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:35,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:35,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:35,331 INFO L87 Difference]: Start difference. First operand 429 states and 454 transitions. Second operand 32 states. [2018-04-11 14:58:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:37,103 INFO L93 Difference]: Finished difference Result 526 states and 553 transitions. [2018-04-11 14:58:37,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-11 14:58:37,103 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 95 [2018-04-11 14:58:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:37,103 INFO L225 Difference]: With dead ends: 526 [2018-04-11 14:58:37,104 INFO L226 Difference]: Without dead ends: 526 [2018-04-11 14:58:37,104 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=592, Invalid=4810, Unknown=0, NotChecked=0, Total=5402 [2018-04-11 14:58:37,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-11 14:58:37,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 437. [2018-04-11 14:58:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-04-11 14:58:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 463 transitions. [2018-04-11 14:58:37,106 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 463 transitions. Word has length 95 [2018-04-11 14:58:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:37,106 INFO L459 AbstractCegarLoop]: Abstraction has 437 states and 463 transitions. [2018-04-11 14:58:37,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 463 transitions. [2018-04-11 14:58:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 14:58:37,107 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:37,107 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 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] [2018-04-11 14:58:37,107 INFO L408 AbstractCegarLoop]: === Iteration 112 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:37,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1399967457, now seen corresponding path program 8 times [2018-04-11 14:58:37,107 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:37,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:37,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:37,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:37,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:37,906 INFO L182 omatonBuilderFactory]: Interpolants [73939#false, 73938#true, 73941#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 73940#(= 1 (select |#valid| main_~head~0.base)), 73943#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 73942#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 73945#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 73944#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 73947#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 73946#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 73949#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base))), 73948#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 73951#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 73950#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 73953#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 73952#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 73955#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 73954#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 73957#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 73956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 73959#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 73958#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 73961#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 73960#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 73963#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 73962#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 73965#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 73964#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 73967#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 73966#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 73969#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 73968#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|))] [2018-04-11 14:58:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:37,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:37,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:37,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:37,907 INFO L87 Difference]: Start difference. First operand 437 states and 463 transitions. Second operand 32 states. [2018-04-11 14:58:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:39,788 INFO L93 Difference]: Finished difference Result 543 states and 571 transitions. [2018-04-11 14:58:39,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 14:58:39,788 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 95 [2018-04-11 14:58:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:39,789 INFO L225 Difference]: With dead ends: 543 [2018-04-11 14:58:39,789 INFO L226 Difference]: Without dead ends: 543 [2018-04-11 14:58:39,789 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=350, Invalid=3190, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 14:58:39,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-04-11 14:58:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 420. [2018-04-11 14:58:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-11 14:58:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 444 transitions. [2018-04-11 14:58:39,791 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 444 transitions. Word has length 95 [2018-04-11 14:58:39,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:39,791 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 444 transitions. [2018-04-11 14:58:39,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 444 transitions. [2018-04-11 14:58:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-04-11 14:58:39,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:39,792 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:39,792 INFO L408 AbstractCegarLoop]: === Iteration 113 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:39,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1075867733, now seen corresponding path program 5 times [2018-04-11 14:58:39,792 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:39,799 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:40,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:40,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:40,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:40,221 INFO L182 omatonBuilderFactory]: Interpolants [75009#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 75008#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 75011#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 75010#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 75013#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75012#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (not (= main_~head~0.base |main_#t~mem10.base|))), 75015#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 75014#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75017#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 75016#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 75019#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 75018#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 75020#(= 1 (select |#valid| |main_#t~mem15.base|)), 74989#true, 74991#(= 1 (select |#valid| main_~head~0.base)), 74990#false, 74993#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 74992#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 74995#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base))), 74994#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 74997#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 74996#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 74999#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 74998#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 75001#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75000#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75003#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75002#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 75005#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75004#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75007#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 75006#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-04-11 14:58:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:40,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:40,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:40,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:40,221 INFO L87 Difference]: Start difference. First operand 420 states and 444 transitions. Second operand 32 states. [2018-04-11 14:58:41,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:41,387 INFO L93 Difference]: Finished difference Result 443 states and 464 transitions. [2018-04-11 14:58:41,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 14:58:41,387 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 96 [2018-04-11 14:58:41,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:41,389 INFO L225 Difference]: With dead ends: 443 [2018-04-11 14:58:41,389 INFO L226 Difference]: Without dead ends: 443 [2018-04-11 14:58:41,389 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=381, Invalid=2925, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 14:58:41,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-04-11 14:58:41,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 414. [2018-04-11 14:58:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-11 14:58:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 437 transitions. [2018-04-11 14:58:41,394 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 437 transitions. Word has length 96 [2018-04-11 14:58:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:41,394 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 437 transitions. [2018-04-11 14:58:41,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 437 transitions. [2018-04-11 14:58:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-04-11 14:58:41,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:41,394 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:41,395 INFO L408 AbstractCegarLoop]: === Iteration 114 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:41,395 INFO L82 PathProgramCache]: Analyzing trace with hash 366531229, now seen corresponding path program 6 times [2018-04-11 14:58:41,395 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:41,410 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:42,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:42,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 14:58:42,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:42,127 INFO L182 omatonBuilderFactory]: Interpolants [75931#false, 75930#true, 75933#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 75932#(= 1 (select |#valid| main_~head~0.base)), 75935#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 75934#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 75937#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 75936#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|)), 75939#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 75938#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 75941#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 75940#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 75943#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 75942#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 75945#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 75944#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 75947#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 75946#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 75949#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 75948#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 75951#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)))), 75950#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 75953#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem10.base|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 75952#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)))), 75955#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75954#(and (or (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75957#(or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 75956#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 75959#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 75958#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (not (= |main_#t~mem13.offset| 0))), 75961#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 75960#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 75963#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 75962#(or (and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))) (not (= main_~head~0.offset 0))), 75965#(= 1 (select |#valid| main_~x~0.base)), 75964#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)))] [2018-04-11 14:58:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:42,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 14:58:42,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 14:58:42,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1153, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 14:58:42,128 INFO L87 Difference]: Start difference. First operand 414 states and 437 transitions. Second operand 36 states. [2018-04-11 14:58:43,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:43,861 INFO L93 Difference]: Finished difference Result 479 states and 501 transitions. [2018-04-11 14:58:43,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 14:58:43,861 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 96 [2018-04-11 14:58:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:43,862 INFO L225 Difference]: With dead ends: 479 [2018-04-11 14:58:43,862 INFO L226 Difference]: Without dead ends: 479 [2018-04-11 14:58:43,862 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=479, Invalid=4077, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 14:58:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-11 14:58:43,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 414. [2018-04-11 14:58:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-11 14:58:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 436 transitions. [2018-04-11 14:58:43,864 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 436 transitions. Word has length 96 [2018-04-11 14:58:43,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:43,864 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 436 transitions. [2018-04-11 14:58:43,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 14:58:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 436 transitions. [2018-04-11 14:58:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 14:58:43,865 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:43,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:43,865 INFO L408 AbstractCegarLoop]: === Iteration 115 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:43,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1022564175, now seen corresponding path program 3 times [2018-04-11 14:58:43,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:43,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:44,299 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:44,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:44,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:44,300 INFO L182 omatonBuilderFactory]: Interpolants [76929#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 76928#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 76931#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 76930#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 76933#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 76932#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 76935#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 76934#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 76937#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 76936#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 76939#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 76938#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 76941#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 76940#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 76943#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 76942#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))))), 76945#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))), 76944#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 76947#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 76946#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 76949#(or (not (= 0 main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 76948#(or (not (= 0 main_~head~0.offset)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))), 76951#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 76950#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 76953#(= 1 (select |#valid| main_~x~0.base)), 76952#(and (not (= main_~x~0.base |main_#t~mem15.base|)) (= 1 (select |#valid| main_~x~0.base))), 76923#true, 76925#(= 1 (select |#valid| main_~head~0.base)), 76924#false, 76927#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 76926#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-11 14:58:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:44,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:44,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:44,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:44,300 INFO L87 Difference]: Start difference. First operand 414 states and 436 transitions. Second operand 31 states. [2018-04-11 14:58:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:45,532 INFO L93 Difference]: Finished difference Result 433 states and 453 transitions. [2018-04-11 14:58:45,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 14:58:45,533 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 97 [2018-04-11 14:58:45,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:45,533 INFO L225 Difference]: With dead ends: 433 [2018-04-11 14:58:45,533 INFO L226 Difference]: Without dead ends: 433 [2018-04-11 14:58:45,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=413, Invalid=3369, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 14:58:45,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-11 14:58:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 414. [2018-04-11 14:58:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-11 14:58:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 436 transitions. [2018-04-11 14:58:45,536 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 436 transitions. Word has length 97 [2018-04-11 14:58:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:45,536 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 436 transitions. [2018-04-11 14:58:45,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 436 transitions. [2018-04-11 14:58:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 14:58:45,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:45,536 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:45,536 INFO L408 AbstractCegarLoop]: === Iteration 116 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:45,536 INFO L82 PathProgramCache]: Analyzing trace with hash -546169675, now seen corresponding path program 3 times [2018-04-11 14:58:45,537 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:45,544 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:45,960 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:45,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:58:45,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:45,961 INFO L182 omatonBuilderFactory]: Interpolants [77889#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 77888#(or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 77891#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 77890#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 77893#(= 0 main_~x~0.offset), 77892#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 77894#(= main_~head~0.offset 0), 77863#true, 77865#(= 1 (select |#valid| main_~head~0.base)), 77864#false, 77867#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 77866#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 77869#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 77868#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 77871#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 77870#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 77873#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 77872#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 77875#(and (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 77874#(and (= |main_#t~mem3.offset| 0) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem3.base| main_~head~0.base))), 77877#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)), 77876#(and (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc4.offset|)), 77879#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 77878#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 77881#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))), 77880#(or (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 77883#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)), 77882#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))), 77885#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)), 77884#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)), 77887#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (not (= main_~head~0.offset 0))), 77886#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))] [2018-04-11 14:58:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:45,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:58:45,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:58:45,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:58:45,961 INFO L87 Difference]: Start difference. First operand 414 states and 436 transitions. Second operand 32 states. [2018-04-11 14:58:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:46,940 INFO L93 Difference]: Finished difference Result 441 states and 459 transitions. [2018-04-11 14:58:46,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 14:58:46,940 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 97 [2018-04-11 14:58:46,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:46,941 INFO L225 Difference]: With dead ends: 441 [2018-04-11 14:58:46,941 INFO L226 Difference]: Without dead ends: 441 [2018-04-11 14:58:46,941 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=334, Invalid=3088, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:58:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-04-11 14:58:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 417. [2018-04-11 14:58:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-04-11 14:58:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 439 transitions. [2018-04-11 14:58:46,943 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 439 transitions. Word has length 97 [2018-04-11 14:58:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:46,943 INFO L459 AbstractCegarLoop]: Abstraction has 417 states and 439 transitions. [2018-04-11 14:58:46,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:58:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 439 transitions. [2018-04-11 14:58:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 14:58:46,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:46,943 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-04-11 14:58:46,944 INFO L408 AbstractCegarLoop]: === Iteration 117 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:46,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1018968739, now seen corresponding path program 15 times [2018-04-11 14:58:46,944 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:46,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:47,661 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:47,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 14:58:47,661 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:47,662 INFO L182 omatonBuilderFactory]: Interpolants [78807#true, 78809#(= 1 (select |#valid| main_~head~0.base)), 78808#false, 78811#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 78810#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 78813#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78812#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 78815#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78814#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78817#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 78816#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78819#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78818#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78821#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78820#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78823#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78822#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78825#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78824#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78827#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78826#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 78829#(and (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78828#(and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 78831#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 78830#(and (or (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78833#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 78832#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc4.base|))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 78835#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 78834#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 78837#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 78836#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem7| 0))), 78839#(= 1 (select |#valid| |main_#t~mem8.base|)), 78838#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 78840#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:58:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:47,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 14:58:47,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 14:58:47,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1004, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 14:58:47,662 INFO L87 Difference]: Start difference. First operand 417 states and 439 transitions. Second operand 34 states. [2018-04-11 14:58:49,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:49,109 INFO L93 Difference]: Finished difference Result 434 states and 456 transitions. [2018-04-11 14:58:49,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 14:58:49,110 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 97 [2018-04-11 14:58:49,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:49,110 INFO L225 Difference]: With dead ends: 434 [2018-04-11 14:58:49,110 INFO L226 Difference]: Without dead ends: 434 [2018-04-11 14:58:49,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=468, Invalid=2954, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:58:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-04-11 14:58:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2018-04-11 14:58:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-04-11 14:58:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 448 transitions. [2018-04-11 14:58:49,112 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 448 transitions. Word has length 97 [2018-04-11 14:58:49,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:49,113 INFO L459 AbstractCegarLoop]: Abstraction has 425 states and 448 transitions. [2018-04-11 14:58:49,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 14:58:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 448 transitions. [2018-04-11 14:58:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 14:58:49,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:49,113 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-04-11 14:58:49,113 INFO L408 AbstractCegarLoop]: === Iteration 118 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1018968738, now seen corresponding path program 13 times [2018-04-11 14:58:49,114 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:49,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:50,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:50,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:58:50,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:50,040 INFO L182 omatonBuilderFactory]: Interpolants [79751#false, 79750#true, 79753#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 79752#(= 1 (select |#valid| main_~head~0.base)), 79755#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 79754#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 79757#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79756#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79759#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 79758#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79761#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79760#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79763#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79762#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79765#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79764#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79767#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 79766#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 79769#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79768#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79771#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79770#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79773#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 79772#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|))) (and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 79775#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 79774#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))) (and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 79777#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 79776#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 79779#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 79778#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 79781#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 79780#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 79783#(and (= 0 |main_#t~mem8.offset|) (= 8 (select |#length| |main_#t~mem8.base|))), 79782#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 79784#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-11 14:58:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:50,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 14:58:50,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 14:58:50,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1048, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 14:58:50,041 INFO L87 Difference]: Start difference. First operand 425 states and 448 transitions. Second operand 35 states. [2018-04-11 14:58:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:51,297 INFO L93 Difference]: Finished difference Result 479 states and 502 transitions. [2018-04-11 14:58:51,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:58:51,297 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 97 [2018-04-11 14:58:51,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:51,297 INFO L225 Difference]: With dead ends: 479 [2018-04-11 14:58:51,297 INFO L226 Difference]: Without dead ends: 479 [2018-04-11 14:58:51,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=398, Invalid=2572, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 14:58:51,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-11 14:58:51,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 417. [2018-04-11 14:58:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-04-11 14:58:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 439 transitions. [2018-04-11 14:58:51,300 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 439 transitions. Word has length 97 [2018-04-11 14:58:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:51,300 INFO L459 AbstractCegarLoop]: Abstraction has 417 states and 439 transitions. [2018-04-11 14:58:51,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 14:58:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 439 transitions. [2018-04-11 14:58:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 14:58:51,300 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:51,300 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-04-11 14:58:51,300 INFO L408 AbstractCegarLoop]: === Iteration 119 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:51,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1398729115, now seen corresponding path program 9 times [2018-04-11 14:58:51,301 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:51,315 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:52,239 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:52,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:58:52,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:52,240 INFO L182 omatonBuilderFactory]: Interpolants [80721#true, 80723#(= 1 (select |#valid| main_~head~0.base)), 80722#false, 80725#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 80724#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 80727#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80726#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 80729#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80728#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80731#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80730#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 80733#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80732#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80735#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80734#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80737#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80736#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80739#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80738#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80741#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80740#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80743#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|))) (and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 80742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80745#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))) (and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 80744#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 80747#(and (not (= main_~x~0.base main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 80746#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 80749#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 80748#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80751#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 80750#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 80753#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 80752#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 80755#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 80754#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|))] [2018-04-11 14:58:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:52,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 14:58:52,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 14:58:52,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1048, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 14:58:52,240 INFO L87 Difference]: Start difference. First operand 417 states and 439 transitions. Second operand 35 states. [2018-04-11 14:58:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:53,420 INFO L93 Difference]: Finished difference Result 449 states and 469 transitions. [2018-04-11 14:58:53,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 14:58:53,420 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 97 [2018-04-11 14:58:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:53,421 INFO L225 Difference]: With dead ends: 449 [2018-04-11 14:58:53,421 INFO L226 Difference]: Without dead ends: 449 [2018-04-11 14:58:53,421 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=398, Invalid=2572, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 14:58:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-04-11 14:58:53,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 409. [2018-04-11 14:58:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-04-11 14:58:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 430 transitions. [2018-04-11 14:58:53,423 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 430 transitions. Word has length 97 [2018-04-11 14:58:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:53,423 INFO L459 AbstractCegarLoop]: Abstraction has 409 states and 430 transitions. [2018-04-11 14:58:53,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 14:58:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 430 transitions. [2018-04-11 14:58:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-11 14:58:53,423 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:53,423 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:53,424 INFO L408 AbstractCegarLoop]: === Iteration 120 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:53,424 INFO L82 PathProgramCache]: Analyzing trace with hash 49197727, now seen corresponding path program 2 times [2018-04-11 14:58:53,424 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:53,431 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:53,853 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:53,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:58:53,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:53,854 INFO L182 omatonBuilderFactory]: Interpolants [81665#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 81664#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 81667#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 81666#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 81669#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 81668#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 81671#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 81670#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 81673#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 81672#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 81675#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))), 81674#(or (not (= |main_#t~mem7| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 81677#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 81676#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 81679#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 81678#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)), 81681#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 81680#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 81683#(= main_~x~0.offset 0), 81682#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 81684#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 81655#false, 81654#true, 81657#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 81656#(= 1 (select |#valid| main_~head~0.base)), 81659#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 81658#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 81661#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 81660#(and (= |main_#t~mem3.offset| 0) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base))), 81663#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 81662#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-11 14:58:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:53,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:58:53,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:58:53,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:58:53,854 INFO L87 Difference]: Start difference. First operand 409 states and 430 transitions. Second operand 31 states. [2018-04-11 14:58:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:58:54,695 INFO L93 Difference]: Finished difference Result 463 states and 482 transitions. [2018-04-11 14:58:54,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 14:58:54,695 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 98 [2018-04-11 14:58:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:58:54,696 INFO L225 Difference]: With dead ends: 463 [2018-04-11 14:58:54,696 INFO L226 Difference]: Without dead ends: 463 [2018-04-11 14:58:54,696 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=319, Invalid=2333, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 14:58:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-04-11 14:58:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 404. [2018-04-11 14:58:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-04-11 14:58:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 425 transitions. [2018-04-11 14:58:54,698 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 425 transitions. Word has length 98 [2018-04-11 14:58:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:58:54,698 INFO L459 AbstractCegarLoop]: Abstraction has 404 states and 425 transitions. [2018-04-11 14:58:54,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:58:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 425 transitions. [2018-04-11 14:58:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 14:58:54,698 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:58:54,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:58:54,698 INFO L408 AbstractCegarLoop]: === Iteration 121 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:58:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -993434888, now seen corresponding path program 3 times [2018-04-11 14:58:54,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:58:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:58:54,707 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:58:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:59,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:58:59,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 14:58:59,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:58:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:59,680 INFO L182 omatonBuilderFactory]: Interpolants [82625#(and (or (not (= main_~x~0.offset 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 82624#(and (or (not (= main_~x~0.offset 0)) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 82627#(and (or (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.offset 0))) (or (not (= 0 main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) main_~head~0.base))) (or (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0) |main_#t~mem13.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.offset 0))) (or (not (= main_~head~0.base |main_#t~mem13.base|)) (not (= main_~head~0.offset 0)))), 82626#(and (or (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.offset 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) main_~head~0.base))), 82629#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) main_~head~0.base 0) |old(#valid)|)), 82628#(and (or (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.offset 0))) (or (not (= 0 main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (or (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.offset 0))) (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0)))), 82631#(and (not (= main_~x~0.base |main_#t~mem15.base|)) (= |old(#valid)| (store (store |#valid| |main_#t~mem15.base| 0) main_~x~0.base 0))), 82630#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|)), 82632#(= (store |#valid| main_~x~0.base 0) |old(#valid)|), 82595#false, 82594#true, 82597#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 82596#(= |#valid| |old(#valid)|), 82599#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 82598#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 82601#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (store (store |#valid| |main_#t~malloc2.base| 0) main_~head~0.base 0) |old(#valid)|) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base)), 82600#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 82603#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base))), 82602#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 82605#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0)), 82604#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0)), 82607#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 82606#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= (store (store (store |#valid| |main_#t~malloc2.base| 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~malloc2.base|))), 82609#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 82608#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 82611#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc4.base| 0) |old(#valid)|)), 82610#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 82613#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base |main_#t~mem5.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 82612#(and (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 82615#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 82614#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 82617#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 82616#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 82619#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)) 0) |old(#valid)|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))))), 82618#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= |main_#t~mem7| 0))), 82621#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 82620#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 82623#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) 0) |main_#t~mem13.base| 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) 0)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))) (not (= main_~head~0.base |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) |main_#t~mem13.base|))), 82622#(and (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))] [2018-04-11 14:58:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:58:59,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 14:58:59,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 14:58:59,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1381, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 14:58:59,680 INFO L87 Difference]: Start difference. First operand 404 states and 425 transitions. Second operand 39 states. [2018-04-11 14:59:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:02,203 INFO L93 Difference]: Finished difference Result 418 states and 438 transitions. [2018-04-11 14:59:02,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 14:59:02,203 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 100 [2018-04-11 14:59:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:02,204 INFO L225 Difference]: With dead ends: 418 [2018-04-11 14:59:02,204 INFO L226 Difference]: Without dead ends: 404 [2018-04-11 14:59:02,204 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 15 SyntacticMatches, 15 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=253, Invalid=3529, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 14:59:02,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-04-11 14:59:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2018-04-11 14:59:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-04-11 14:59:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 424 transitions. [2018-04-11 14:59:02,206 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 424 transitions. Word has length 100 [2018-04-11 14:59:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:02,206 INFO L459 AbstractCegarLoop]: Abstraction has 404 states and 424 transitions. [2018-04-11 14:59:02,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 14:59:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 424 transitions. [2018-04-11 14:59:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 14:59:02,207 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:02,207 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:02,207 INFO L408 AbstractCegarLoop]: === Iteration 122 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:02,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1327925579, now seen corresponding path program 6 times [2018-04-11 14:59:02,207 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:02,215 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:59:02,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:02,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:59:02,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:02,964 INFO L182 omatonBuilderFactory]: Interpolants [83521#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)), 83520#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0)), 83523#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)))), 83522#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)), 83525#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 1))), 83524#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)) (not (= |main_#t~mem7| 0))) (= main_~head~0.offset 0)), 83527#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 1)) (not (= main_~head~0.offset main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (< main_~x~0.offset (+ main_~head~0.offset 1))) (= main_~head~0.offset 0)), 83526#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (not (= (select (select |#memory_int| |main_#t~mem8.base|) (+ main_~head~0.offset 4)) 1)) (= main_~head~0.offset 0)), 83529#(and (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (< main_~x~0.offset (+ main_~head~0.offset 1))) (= main_~head~0.offset 0) (not (= main_~head~0.offset main_~x~0.offset))), 83528#(and (or (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (< main_~x~0.offset (+ main_~head~0.offset 1))) (= main_~head~0.offset 0)), 83531#(not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)), 83530#(and (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset 0)), 83533#(not (= main_~x~0.offset 0)), 83532#(not (= |main_#t~mem13.offset| 0)), 83534#(not (= main_~head~0.offset 0)), 83501#true, 83503#(= 0 |main_#t~malloc0.offset|), 83502#false, 83505#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 83504#(= main_~head~0.offset 0), 83507#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 83506#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 83509#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~head~0.offset 0)), 83508#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 83511#(and (or (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 83510#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 83513#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 83512#(and (or (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 83515#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 83514#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0)), 83517#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 83516#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 83519#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 83518#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0))] [2018-04-11 14:59:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:59:02,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 14:59:02,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 14:59:02,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=998, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 14:59:02,965 INFO L87 Difference]: Start difference. First operand 404 states and 424 transitions. Second operand 34 states. [2018-04-11 14:59:04,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:04,226 INFO L93 Difference]: Finished difference Result 411 states and 429 transitions. [2018-04-11 14:59:04,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 14:59:04,226 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 100 [2018-04-11 14:59:04,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:04,226 INFO L225 Difference]: With dead ends: 411 [2018-04-11 14:59:04,226 INFO L226 Difference]: Without dead ends: 386 [2018-04-11 14:59:04,227 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=598, Invalid=4094, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 14:59:04,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-04-11 14:59:04,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 382. [2018-04-11 14:59:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-04-11 14:59:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 401 transitions. [2018-04-11 14:59:04,228 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 401 transitions. Word has length 100 [2018-04-11 14:59:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:04,229 INFO L459 AbstractCegarLoop]: Abstraction has 382 states and 401 transitions. [2018-04-11 14:59:04,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 14:59:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 401 transitions. [2018-04-11 14:59:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 14:59:04,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:04,229 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:04,229 INFO L408 AbstractCegarLoop]: === Iteration 123 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:04,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1603113336, now seen corresponding path program 4 times [2018-04-11 14:59:04,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:04,237 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:04,864 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:04,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 14:59:04,864 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:04,864 INFO L182 omatonBuilderFactory]: Interpolants [84417#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base))), 84416#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)), 84419#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 84418#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 84421#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 84420#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 84423#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 84422#(not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 84425#(and (not (= main_~x~0.base |main_#t~mem15.base|)) (= 1 (select |#valid| main_~x~0.base))), 84424#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 84426#(= 1 (select |#valid| main_~x~0.base)), 84399#false, 84398#true, 84401#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 84400#(= 1 (select |#valid| main_~head~0.base)), 84403#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 84402#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 84405#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 84404#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.offset|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base))), 84407#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 84406#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 84409#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 84408#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 84411#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 84410#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 84413#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 84412#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 84415#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 84414#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-11 14:59:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:04,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 14:59:04,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 14:59:04,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2018-04-11 14:59:04,865 INFO L87 Difference]: Start difference. First operand 382 states and 401 transitions. Second operand 29 states. [2018-04-11 14:59:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:05,700 INFO L93 Difference]: Finished difference Result 402 states and 420 transitions. [2018-04-11 14:59:05,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 14:59:05,700 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 100 [2018-04-11 14:59:05,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:05,701 INFO L225 Difference]: With dead ends: 402 [2018-04-11 14:59:05,701 INFO L226 Difference]: Without dead ends: 402 [2018-04-11 14:59:05,701 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=354, Invalid=2298, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 14:59:05,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-11 14:59:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 375. [2018-04-11 14:59:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-11 14:59:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 394 transitions. [2018-04-11 14:59:05,703 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 394 transitions. Word has length 100 [2018-04-11 14:59:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:05,703 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 394 transitions. [2018-04-11 14:59:05,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 14:59:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 394 transitions. [2018-04-11 14:59:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 14:59:05,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:05,704 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2018-04-11 14:59:05,704 INFO L408 AbstractCegarLoop]: === Iteration 124 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:05,704 INFO L82 PathProgramCache]: Analyzing trace with hash 34379486, now seen corresponding path program 4 times [2018-04-11 14:59:05,704 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:05,712 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:06,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:06,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 14:59:06,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:06,143 INFO L182 omatonBuilderFactory]: Interpolants [85251#false, 85250#true, 85253#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 85252#(= 1 (select |#valid| main_~head~0.base)), 85255#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 85254#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 85257#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 85256#(and (= |main_#t~mem3.offset| 0) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base))), 85259#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 85258#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 85261#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 85260#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 85263#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 85262#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 85265#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|))), 85264#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 85267#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 85266#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 85269#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 85268#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 85271#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))), 85270#(or (not (= |main_#t~mem7| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 85273#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 85272#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 85275#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 85274#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)), 85277#(or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0))), 85276#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 85279#(= 0 main_~x~0.offset), 85278#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 85280#(= main_~head~0.offset 0)] [2018-04-11 14:59:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:06,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 14:59:06,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 14:59:06,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2018-04-11 14:59:06,143 INFO L87 Difference]: Start difference. First operand 375 states and 394 transitions. Second operand 31 states. [2018-04-11 14:59:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:07,079 INFO L93 Difference]: Finished difference Result 406 states and 423 transitions. [2018-04-11 14:59:07,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 14:59:07,079 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 100 [2018-04-11 14:59:07,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:07,080 INFO L225 Difference]: With dead ends: 406 [2018-04-11 14:59:07,080 INFO L226 Difference]: Without dead ends: 406 [2018-04-11 14:59:07,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=313, Invalid=2443, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 14:59:07,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-04-11 14:59:07,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 366. [2018-04-11 14:59:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-04-11 14:59:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 384 transitions. [2018-04-11 14:59:07,082 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 384 transitions. Word has length 100 [2018-04-11 14:59:07,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:07,082 INFO L459 AbstractCegarLoop]: Abstraction has 366 states and 384 transitions. [2018-04-11 14:59:07,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 14:59:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 384 transitions. [2018-04-11 14:59:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-11 14:59:07,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:07,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:07,082 INFO L408 AbstractCegarLoop]: === Iteration 125 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:07,082 INFO L82 PathProgramCache]: Analyzing trace with hash 37633459, now seen corresponding path program 4 times [2018-04-11 14:59:07,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:07,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:07,832 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:07,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 14:59:07,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:07,832 INFO L182 omatonBuilderFactory]: Interpolants [86097#true, 86099#(= 0 |main_#t~malloc0.offset|), 86098#false, 86101#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 86100#(= main_~head~0.offset 0), 86103#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 86102#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 86105#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~head~0.offset 0)), 86104#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 86107#(and (or (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86106#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86109#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 86108#(and (or (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 86111#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86110#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0)), 86113#(and (not (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86112#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86115#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 86114#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0)), 86117#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)), 86116#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 0) (= main_~head~0.offset 0)), 86119#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)))), 86118#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)), 86121#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 1))), 86120#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)) 0)) (not (= |main_#t~mem7| 0))) (= main_~head~0.offset 0)), 86123#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4)) 1)) (= main_~head~0.offset 0)), 86122#(and (not (= (select (select |#memory_int| |main_#t~mem8.base|) (+ main_~head~0.offset 4)) 1)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 86125#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 1)), 86124#(and (= main_~head~0.offset 0) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 1))), 86127#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1))), 86126#(not (= (select (select |#memory_int| |main_#t~mem13.base|) (+ 0 4)) 1)), 86129#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 86128#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)) (= |main_#t~mem12| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 86130#(<= 1 main_~x~0.offset)] [2018-04-11 14:59:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:07,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 14:59:07,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 14:59:07,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=980, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 14:59:07,833 INFO L87 Difference]: Start difference. First operand 366 states and 384 transitions. Second operand 34 states. [2018-04-11 14:59:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:09,215 INFO L93 Difference]: Finished difference Result 376 states and 393 transitions. [2018-04-11 14:59:09,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 14:59:09,216 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-04-11 14:59:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:09,216 INFO L225 Difference]: With dead ends: 376 [2018-04-11 14:59:09,216 INFO L226 Difference]: Without dead ends: 366 [2018-04-11 14:59:09,216 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=615, Invalid=3807, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 14:59:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-04-11 14:59:09,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-04-11 14:59:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-04-11 14:59:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 383 transitions. [2018-04-11 14:59:09,219 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 383 transitions. Word has length 101 [2018-04-11 14:59:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:09,219 INFO L459 AbstractCegarLoop]: Abstraction has 366 states and 383 transitions. [2018-04-11 14:59:09,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 14:59:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 383 transitions. [2018-04-11 14:59:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-11 14:59:09,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:09,220 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1] [2018-04-11 14:59:09,220 INFO L408 AbstractCegarLoop]: === Iteration 126 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:09,220 INFO L82 PathProgramCache]: Analyzing trace with hash 617387376, now seen corresponding path program 16 times [2018-04-11 14:59:09,221 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:09,239 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:59:10,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:10,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 14:59:10,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:10,212 INFO L182 omatonBuilderFactory]: Interpolants [86976#(and (not (= 0 |main_#t~mem7|)) (= main_~x~0.offset 0)), 86939#true, 86941#(= 0 |main_#t~malloc0.offset|), 86940#false, 86943#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 86942#(= main_~head~0.offset 0), 86945#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 86944#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 86947#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 86946#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 86949#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86948#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86951#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~head~0.offset 0)), 86950#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 86953#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 86952#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= main_~head~0.offset 0)), 86955#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 86954#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 86957#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 86956#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 86959#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.offset main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86958#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.offset main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86961#(and (not (= |main_#t~malloc4.base| main_~x~0.base)) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.offset main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86960#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.offset main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 86963#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 4))) (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 86962#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 86965#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 86964#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 86967#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 86966#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= |main_#t~mem6| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 86969#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 86968#(or (and (not (= |main_#t~mem7| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem7| 0))), 86971#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4))))), 86970#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 86973#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 86972#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (+ 0 4))))), 86975#(and (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset 0)), 86974#(and (= 0 |main_#t~mem8.offset|) (not (= 0 (select (select |#memory_int| |main_#t~mem8.base|) (+ 0 4)))))] [2018-04-11 14:59:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 14:59:10,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 14:59:10,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 14:59:10,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1278, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 14:59:10,213 INFO L87 Difference]: Start difference. First operand 366 states and 383 transitions. Second operand 38 states. [2018-04-11 14:59:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:12,285 INFO L93 Difference]: Finished difference Result 443 states and 461 transitions. [2018-04-11 14:59:12,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 14:59:12,285 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 102 [2018-04-11 14:59:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:12,285 INFO L225 Difference]: With dead ends: 443 [2018-04-11 14:59:12,285 INFO L226 Difference]: Without dead ends: 440 [2018-04-11 14:59:12,286 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=566, Invalid=4690, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 14:59:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2018-04-11 14:59:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 375. [2018-04-11 14:59:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-11 14:59:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 392 transitions. [2018-04-11 14:59:12,287 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 392 transitions. Word has length 102 [2018-04-11 14:59:12,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:12,288 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 392 transitions. [2018-04-11 14:59:12,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 14:59:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 392 transitions. [2018-04-11 14:59:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-11 14:59:12,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:12,288 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:12,288 INFO L408 AbstractCegarLoop]: === Iteration 127 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1686680529, now seen corresponding path program 5 times [2018-04-11 14:59:12,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:12,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:13,277 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:13,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 14:59:13,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:13,278 INFO L182 omatonBuilderFactory]: Interpolants [87873#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 87872#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 87875#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 87874#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 87877#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 87876#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 87879#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 87878#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~head~0.offset 0)), 87881#(and (or (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 87880#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 87883#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 87882#(and (or (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 87885#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 87884#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 87887#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 87886#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 87889#(and (not (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 87888#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 87891#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 87890#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 87893#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)) (not (= |main_#t~mem7| 0))), 87892#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))), 87895#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 87894#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (+ main_~head~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (= main_~head~0.offset 0)), 87897#(and (or (not (= main_~x~0.offset 0)) (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))) (or (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~x~0.offset) (= main_~x~0.offset 0))), 87896#(and (= 0 (select (select |#memory_int| |main_#t~mem10.base|) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.offset|)), 87899#(not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)), 87898#(or (and (= 0 |main_#t~mem11|) (= main_~head~0.offset 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 87901#(not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)), 87900#(not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)), 87903#(not (= |main_#t~mem15.offset| 0)), 87902#(not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)), 87865#true, 87867#(= 0 |main_#t~malloc0.offset|), 87866#false, 87869#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 87868#(= main_~head~0.offset 0), 87871#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 87870#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-04-11 14:59:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:13,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 14:59:13,278 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 14:59:13,278 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1347, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 14:59:13,279 INFO L87 Difference]: Start difference. First operand 375 states and 392 transitions. Second operand 39 states. [2018-04-11 14:59:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:15,717 INFO L93 Difference]: Finished difference Result 444 states and 461 transitions. [2018-04-11 14:59:15,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 14:59:15,717 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 103 [2018-04-11 14:59:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:15,717 INFO L225 Difference]: With dead ends: 444 [2018-04-11 14:59:15,717 INFO L226 Difference]: Without dead ends: 438 [2018-04-11 14:59:15,718 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=646, Invalid=5360, Unknown=0, NotChecked=0, Total=6006 [2018-04-11 14:59:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-04-11 14:59:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 386. [2018-04-11 14:59:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-04-11 14:59:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 403 transitions. [2018-04-11 14:59:15,720 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 403 transitions. Word has length 103 [2018-04-11 14:59:15,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:15,720 INFO L459 AbstractCegarLoop]: Abstraction has 386 states and 403 transitions. [2018-04-11 14:59:15,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 14:59:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 403 transitions. [2018-04-11 14:59:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-11 14:59:15,720 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:15,720 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:15,720 INFO L408 AbstractCegarLoop]: === Iteration 128 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:15,721 INFO L82 PathProgramCache]: Analyzing trace with hash 634679938, now seen corresponding path program 7 times [2018-04-11 14:59:15,721 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:15,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:16,355 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:16,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 14:59:16,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:16,355 INFO L182 omatonBuilderFactory]: Interpolants [88833#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 88832#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0))), 88835#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 88834#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 88837#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))), 88836#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 88839#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))) (= main_~x~0.offset main_~head~0.offset))), 88838#(or (not (= 0 main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 88841#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 88840#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= main_~head~0.offset 0))), 88843#(= |main_#t~mem15.offset| 0), 88842#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 88813#false, 88812#true, 88815#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 88814#(= 1 (select |#valid| main_~head~0.base)), 88817#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 88816#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 88819#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 88818#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|)), 88821#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 88820#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 88823#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 88822#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 88825#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 88824#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 88827#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 88826#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc2.offset|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 88829#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 88828#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 88831#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 88830#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))] [2018-04-11 14:59:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:16,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 14:59:16,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 14:59:16,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2018-04-11 14:59:16,356 INFO L87 Difference]: Start difference. First operand 386 states and 403 transitions. Second operand 32 states. [2018-04-11 14:59:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:17,857 INFO L93 Difference]: Finished difference Result 471 states and 488 transitions. [2018-04-11 14:59:17,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 14:59:17,857 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 103 [2018-04-11 14:59:17,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:17,858 INFO L225 Difference]: With dead ends: 471 [2018-04-11 14:59:17,858 INFO L226 Difference]: Without dead ends: 471 [2018-04-11 14:59:17,858 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=301, Invalid=3121, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 14:59:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-04-11 14:59:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 440. [2018-04-11 14:59:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-04-11 14:59:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 460 transitions. [2018-04-11 14:59:17,860 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 460 transitions. Word has length 103 [2018-04-11 14:59:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:17,861 INFO L459 AbstractCegarLoop]: Abstraction has 440 states and 460 transitions. [2018-04-11 14:59:17,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 14:59:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 460 transitions. [2018-04-11 14:59:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-11 14:59:17,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:17,861 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:17,861 INFO L408 AbstractCegarLoop]: === Iteration 129 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1799758149, now seen corresponding path program 6 times [2018-04-11 14:59:17,862 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:17,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:18,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:18,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 14:59:18,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:18,660 INFO L182 omatonBuilderFactory]: Interpolants [89809#true, 89811#(= 1 (select |#valid| main_~head~0.base)), 89810#false, 89813#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 89812#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 89815#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|)), 89814#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 89817#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 89816#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 89819#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 89818#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 89821#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 89820#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 89823#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 89822#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 89825#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 89824#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 89827#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 89826#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 89829#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 89828#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 89831#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= |main_#t~mem7| 0))), 89830#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 89833#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 89832#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) 0))))), 89835#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 89834#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 89837#(or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 89836#(and (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))))), 89839#(or (not (= main_~head~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 89838#(or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 89841#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 89840#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (not (= main_~head~0.offset 0))), 89843#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 89842#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 89844#(= 1 (select |#valid| |main_#t~mem15.base|))] [2018-04-11 14:59:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:18,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 14:59:18,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 14:59:18,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1164, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 14:59:18,661 INFO L87 Difference]: Start difference. First operand 440 states and 460 transitions. Second operand 36 states. [2018-04-11 14:59:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:20,477 INFO L93 Difference]: Finished difference Result 455 states and 474 transitions. [2018-04-11 14:59:20,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 14:59:20,478 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 104 [2018-04-11 14:59:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:20,478 INFO L225 Difference]: With dead ends: 455 [2018-04-11 14:59:20,478 INFO L226 Difference]: Without dead ends: 455 [2018-04-11 14:59:20,478 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=307, Invalid=3599, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 14:59:20,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-04-11 14:59:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 441. [2018-04-11 14:59:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-04-11 14:59:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 461 transitions. [2018-04-11 14:59:20,481 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 461 transitions. Word has length 104 [2018-04-11 14:59:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:20,481 INFO L459 AbstractCegarLoop]: Abstraction has 441 states and 461 transitions. [2018-04-11 14:59:20,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 14:59:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 461 transitions. [2018-04-11 14:59:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-11 14:59:20,481 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:20,481 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:20,481 INFO L408 AbstractCegarLoop]: === Iteration 130 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1785872643, now seen corresponding path program 7 times [2018-04-11 14:59:20,482 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:20,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:21,274 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:21,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 14:59:21,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:21,275 INFO L182 omatonBuilderFactory]: Interpolants [90817#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))) (not (= |main_#t~mem7| 0))), 90816#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))))), 90819#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 90818#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)))), 90821#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 90820#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 90823#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~x~0.offset))), 90822#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)))), 90825#(or (not (= 0 main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 90824#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~x~0.offset))), 90827#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.offset)) (not (= main_~x~0.offset 0))), 90826#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))))), 90829#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 90828#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 90831#(or (and (= 1 (select |#valid| |main_#t~mem13.base|)) (not (= main_~head~0.base |main_#t~mem13.base|))) (not (= main_~head~0.offset 0))), 90830#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 90833#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 90832#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 90834#(= 1 (select |#valid| main_~x~0.base)), 90795#true, 90797#(= 1 (select |#valid| main_~head~0.base)), 90796#false, 90799#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 90798#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 90801#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|)), 90800#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 90803#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 90802#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 90805#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 90804#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 90807#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 90806#(and (= |main_#t~mem3.offset| 0) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 90809#(and (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 90808#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 90811#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 90810#(and (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 90813#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 90812#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 90815#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 90814#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))] [2018-04-11 14:59:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:21,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 14:59:21,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 14:59:21,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 14:59:21,275 INFO L87 Difference]: Start difference. First operand 441 states and 461 transitions. Second operand 40 states. [2018-04-11 14:59:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:23,632 INFO L93 Difference]: Finished difference Result 473 states and 493 transitions. [2018-04-11 14:59:23,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-11 14:59:23,632 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 104 [2018-04-11 14:59:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:23,632 INFO L225 Difference]: With dead ends: 473 [2018-04-11 14:59:23,632 INFO L226 Difference]: Without dead ends: 473 [2018-04-11 14:59:23,633 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1462 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=537, Invalid=5469, Unknown=0, NotChecked=0, Total=6006 [2018-04-11 14:59:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-04-11 14:59:23,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 448. [2018-04-11 14:59:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-04-11 14:59:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 469 transitions. [2018-04-11 14:59:23,635 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 469 transitions. Word has length 104 [2018-04-11 14:59:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:23,635 INFO L459 AbstractCegarLoop]: Abstraction has 448 states and 469 transitions. [2018-04-11 14:59:23,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 14:59:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 469 transitions. [2018-04-11 14:59:23,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-11 14:59:23,635 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:23,679 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:23,679 INFO L408 AbstractCegarLoop]: === Iteration 131 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:23,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1785872644, now seen corresponding path program 7 times [2018-04-11 14:59:23,680 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:23,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:24,628 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:24,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 14:59:24,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:24,628 INFO L182 omatonBuilderFactory]: Interpolants [91841#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 91840#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 91843#(and (= |main_#t~mem3.offset| 0) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)), 91842#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 91845#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 91844#(and (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 91847#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 91846#(and (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 91849#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 91848#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |main_#t~mem3.base|)), 91851#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 91850#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 91853#(and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 91852#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 91855#(or (and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem7| 0))), 91854#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 91857#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))), 91856#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)) (<= (select |#length| |main_#t~mem8.base|) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) 0)) 0)))), 91859#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 91858#(and (or (<= (select |#length| main_~x~0.base) 7) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))) (or (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (< 7 (select |#length| main_~x~0.base)))), 91861#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)))), 91860#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 91863#(or (not (= 0 main_~head~0.offset)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 91862#(or (not (= 0 main_~x~0.offset)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 91865#(or (not (= 0 main_~head~0.offset)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 91864#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))) (not (= 0 main_~head~0.offset))), 91867#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 91866#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 91869#(and (or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))) (or (not (= 0 main_~head~0.offset)) (<= 8 (select |#length| main_~x~0.base)))), 91868#(and (or (not (= 0 main_~head~0.offset)) (<= 8 (select |#length| |main_#t~mem13.base|))) (or (= 0 |main_#t~mem13.offset|) (not (= main_~head~0.offset 0)))), 91870#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base))), 91833#false, 91832#true, 91835#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 91834#(= 1 (select |#valid| main_~head~0.base)), 91837#(and (= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 91836#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|)) (= (select |#length| |main_#t~malloc2.base|) 8)), 91839#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 91838#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 0 |main_#t~mem3.offset|) (= (select |#length| |main_#t~mem3.base|) 8))] [2018-04-11 14:59:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:24,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 14:59:24,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 14:59:24,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 14:59:24,629 INFO L87 Difference]: Start difference. First operand 448 states and 469 transitions. Second operand 39 states. [2018-04-11 14:59:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:27,132 INFO L93 Difference]: Finished difference Result 496 states and 513 transitions. [2018-04-11 14:59:27,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 14:59:27,133 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 104 [2018-04-11 14:59:27,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:27,133 INFO L225 Difference]: With dead ends: 496 [2018-04-11 14:59:27,133 INFO L226 Difference]: Without dead ends: 496 [2018-04-11 14:59:27,133 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1132 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=426, Invalid=4404, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 14:59:27,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-04-11 14:59:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 450. [2018-04-11 14:59:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-11 14:59:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 471 transitions. [2018-04-11 14:59:27,136 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 471 transitions. Word has length 104 [2018-04-11 14:59:27,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:27,136 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 471 transitions. [2018-04-11 14:59:27,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 14:59:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 471 transitions. [2018-04-11 14:59:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-11 14:59:27,136 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:27,136 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:27,136 INFO L408 AbstractCegarLoop]: === Iteration 132 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:27,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1684952876, now seen corresponding path program 17 times [2018-04-11 14:59:27,137 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:27,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:28,032 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:28,032 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 14:59:28,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:28,032 INFO L182 omatonBuilderFactory]: Interpolants [92879#true, 92881#(= 1 (select |#valid| main_~head~0.base)), 92880#false, 92883#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 92882#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 92885#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 92884#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 92887#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 92886#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 92889#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 92888#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 92891#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 92890#(and (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 92893#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 92892#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 92895#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 92894#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 92897#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 92896#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 92899#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 92898#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 92901#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 92900#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 92903#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 92902#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 92905#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 92904#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 92907#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))))), 92906#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= |main_#t~mem7| 0))), 92909#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 92908#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 92911#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|))), 92910#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 92913#(= 1 (select |#valid| |main_#t~mem8.base|)), 92912#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 92914#(= 1 (select |#valid| main_~x~0.base))] [2018-04-11 14:59:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:28,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 14:59:28,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 14:59:28,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1159, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 14:59:28,033 INFO L87 Difference]: Start difference. First operand 450 states and 471 transitions. Second operand 36 states. [2018-04-11 14:59:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:59:30,536 INFO L93 Difference]: Finished difference Result 549 states and 573 transitions. [2018-04-11 14:59:30,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-11 14:59:30,537 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 104 [2018-04-11 14:59:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:59:30,537 INFO L225 Difference]: With dead ends: 549 [2018-04-11 14:59:30,537 INFO L226 Difference]: Without dead ends: 549 [2018-04-11 14:59:30,537 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=511, Invalid=5341, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 14:59:30,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-04-11 14:59:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 467. [2018-04-11 14:59:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-04-11 14:59:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 490 transitions. [2018-04-11 14:59:30,540 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 490 transitions. Word has length 104 [2018-04-11 14:59:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:59:30,540 INFO L459 AbstractCegarLoop]: Abstraction has 467 states and 490 transitions. [2018-04-11 14:59:30,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 14:59:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 490 transitions. [2018-04-11 14:59:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-11 14:59:30,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:59:30,540 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:59:30,540 INFO L408 AbstractCegarLoop]: === Iteration 133 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-11 14:59:30,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1684952877, now seen corresponding path program 14 times [2018-04-11 14:59:30,541 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:59:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:59:30,554 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:59:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:31,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:59:31,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 14:59:31,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:59:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:31,621 INFO L182 omatonBuilderFactory]: Interpolants [94017#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 94016#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 94019#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 94018#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 94021#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 94020#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 94023#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 94022#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 94025#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 94024#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.offset|)), 94027#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 94026#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 94029#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem3.base|) (not (= main_~head~0.base |main_#t~mem3.base|)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 94028#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 94031#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 94030#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 94033#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 94032#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|))), 94035#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 94034#(and (= 8 (select |#length| |main_#t~mem3.base|)) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem3.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 94037#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 94036#(and (= (select |#length| main_~x~0.base) 8) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 94039#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 94038#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 94041#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))))), 94040#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= |main_#t~mem7| 0))), 94043#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 94042#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 94045#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem8.base|) |main_#t~mem8.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem8.base|) |main_#t~mem8.offset|)))), 94044#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 94047#(and (= 0 |main_#t~mem8.offset|) (<= 8 (select |#length| |main_#t~mem8.base|))), 94046#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 94048#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base))), 94013#true, 94015#(= 1 (select |#valid| main_~head~0.base)), 94014#false] [2018-04-11 14:59:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:59:31,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 14:59:31,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 14:59:31,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 14:59:31,622 INFO L87 Difference]: Start difference. First operand 467 states and 490 transitions. Second operand 36 states. Received shutdown request... [2018-04-11 14:59:32,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 14:59:32,007 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 14:59:32,010 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 14:59:32,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 02:59:32 BoogieIcfgContainer [2018-04-11 14:59:32,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 14:59:32,011 INFO L168 Benchmark]: Toolchain (without parser) took 176930.18 ms. Allocated memory was 402.1 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 335.5 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 494.9 MB. Max. memory is 5.3 GB. [2018-04-11 14:59:32,011 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 402.1 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 14:59:32,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.87 ms. Allocated memory is still 402.1 MB. Free memory was 334.2 MB in the beginning and 307.1 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. [2018-04-11 14:59:32,012 INFO L168 Benchmark]: Boogie Preprocessor took 40.05 ms. Allocated memory is still 402.1 MB. Free memory was 307.1 MB in the beginning and 304.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 14:59:32,012 INFO L168 Benchmark]: RCFGBuilder took 461.79 ms. Allocated memory was 402.1 MB in the beginning and 613.4 MB in the end (delta: 211.3 MB). Free memory was 304.4 MB in the beginning and 536.8 MB in the end (delta: -232.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 5.3 GB. [2018-04-11 14:59:32,012 INFO L168 Benchmark]: TraceAbstraction took 176153.72 ms. Allocated memory was 613.4 MB in the beginning and 2.0 GB in the end (delta: 1.4 GB). Free memory was 536.8 MB in the beginning and 1.4 GB in the end (delta: -888.2 MB). Peak memory consumption was 484.9 MB. Max. memory is 5.3 GB. [2018-04-11 14:59:32,013 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 402.1 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 271.87 ms. Allocated memory is still 402.1 MB. Free memory was 334.2 MB in the beginning and 307.1 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.05 ms. Allocated memory is still 402.1 MB. Free memory was 307.1 MB in the beginning and 304.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 461.79 ms. Allocated memory was 402.1 MB in the beginning and 613.4 MB in the end (delta: 211.3 MB). Free memory was 304.4 MB in the beginning and 536.8 MB in the end (delta: -232.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 176153.72 ms. Allocated memory was 613.4 MB in the beginning and 2.0 GB in the end (delta: 1.4 GB). Free memory was 536.8 MB in the beginning and 1.4 GB in the end (delta: -888.2 MB). Peak memory consumption was 484.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (467states) and interpolant automaton (currently 14 states, 36 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 120 locations, 45 error locations. TIMEOUT Result, 176.1s OverallTime, 133 OverallIterations, 6 TraceHistogramMax, 121.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10461 SDtfs, 54944 SDslu, 127959 SDs, 0 SdLazy, 164528 SolverSat, 10125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5895 GetRequests, 458 SyntacticMatches, 70 SemanticMatches, 5366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59280 ImplicationChecksByTransitivity, 91.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 247/4973 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, 132 MinimizatonAttempts, 7890 StatesRemovedByMinimization, 129 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 50.9s InterpolantComputationTime, 9526 NumberOfCodeBlocks, 9526 NumberOfCodeBlocksAsserted, 133 NumberOfCheckSat, 9393 ConstructedInterpolants, 0 QuantifiedInterpolants, 20293604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 133 InterpolantComputations, 17 PerfectInterpolantSequences, 247/4973 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-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_14-59-32-018.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_14-59-32-018.csv Completed graceful shutdown