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/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:15:36,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:15:36,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:15:36,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:15:36,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:15:36,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:15:36,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:15:36,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:15:36,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:15:36,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:15:36,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:15:36,546 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:15:36,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:15:36,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:15:36,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:15:36,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:15:36,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:15:36,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:15:36,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:15:36,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:15:36,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 13:15:36,560 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 13:15:36,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:15:36,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:15:36,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:15:36,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:15:36,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:15:36,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:15:36,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:15:36,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:15:36,583 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 13:15:36,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:15:36,619 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:15:36,622 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:15:36,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:15:36,624 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:15:36,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:36,906 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfebc94aa0 [2018-04-11 13:15:37,047 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:15:37,047 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:15:37,048 INFO L168 CDTParser]: Scanning test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,057 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:15:37,057 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:15:37,057 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:15:37,057 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data ('free_data') in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,057 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data ('alloc_data') in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,057 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,057 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:15:37,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_int in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____useconds_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__loff_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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13:15:37,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ssize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____off_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____quad_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____pthread_list_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____dev_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__mode_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_char in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____rlim_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,064 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____caddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fd_set in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__size_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__caddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__blkcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____mode_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_char in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__sigset_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_key_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__blksize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____intptr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint32_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,065 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_long in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__div_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ldiv_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__gid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__daddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__clock_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_short in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__register_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,066 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ulong in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ino_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____swblk_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_long in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ushort in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsfilcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,067 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__suseconds_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____loff_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_short in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_quad_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____time_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____qaddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____daddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blksize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,068 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,069 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fsid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,069 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____clock_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,069 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,082 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfebc94aa0 [2018-04-11 13:15:37,085 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:15:37,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:15:37,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:15:37,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:15:37,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:15:37,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a56f5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37, skipping insertion in model container [2018-04-11 13:15:37,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,102 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:15:37,124 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:15:37,241 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:15:37,273 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:15:37,278 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 13:15:37,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37 WrapperNode [2018-04-11 13:15:37,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:15:37,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:15:37,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:15:37,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:15:37,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (1/1) ... [2018-04-11 13:15:37,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:15:37,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:15:37,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:15:37,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:15:37,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (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 13:15:37,425 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:15:37,426 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:15:37,426 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 13:15:37,426 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-11 13:15:37,426 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:15:37,426 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 13:15:37,426 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:15:37,426 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:15:37,426 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:15:37,427 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:15:37,428 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:15:37,431 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:15:37,432 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:15:37,433 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:15:37,434 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:15:37,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:15:37,688 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:15:37,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:15:37 BoogieIcfgContainer [2018-04-11 13:15:37,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:15:37,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:15:37,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:15:37,691 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:15:37,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:15:37" (1/3) ... [2018-04-11 13:15:37,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066b76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:15:37, skipping insertion in model container [2018-04-11 13:15:37,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:15:37" (2/3) ... [2018-04-11 13:15:37,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066b76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:15:37, skipping insertion in model container [2018-04-11 13:15:37,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:15:37" (3/3) ... [2018-04-11 13:15:37,693 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_true-valid-memsafety_true-termination.i [2018-04-11 13:15:37,698 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:15:37,703 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-11 13:15:37,725 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:15:37,726 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:15:37,726 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:15:37,726 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:15:37,726 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:15:37,726 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:15:37,726 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:15:37,726 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:15:37,726 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:15:37,727 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:15:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-11 13:15:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 13:15:37,741 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:37,742 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:15:37,742 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:37,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1158211215, now seen corresponding path program 1 times [2018-04-11 13:15:37,775 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:37,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:15:37,885 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:37,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:15:37,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:37,887 INFO 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 13:15:37,887 INFO L182 omatonBuilderFactory]: Interpolants [50#true, 51#false, 52#(= (select |#valid| |main_~#data~0.base|) 1), 53#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 54#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base))] [2018-04-11 13:15:37,887 INFO 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 13:15:37,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:15:37,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:15:37,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:15:37,897 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 5 states. [2018-04-11 13:15:37,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:37,997 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-11 13:15:37,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:15:37,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 13:15:37,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:38,007 INFO L225 Difference]: With dead ends: 43 [2018-04-11 13:15:38,007 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 13:15:38,009 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:15:38,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 13:15:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 13:15:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 13:15:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-11 13:15:38,032 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 10 [2018-04-11 13:15:38,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:38,032 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-11 13:15:38,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:15:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-11 13:15:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 13:15:38,033 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:38,033 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:15:38,033 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:38,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1158211216, now seen corresponding path program 1 times [2018-04-11 13:15:38,034 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:38,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:15:38,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:38,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 13:15:38,112 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:38,112 INFO 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 13:15:38,112 INFO L182 omatonBuilderFactory]: Interpolants [144#(and (= 8 (select |#length| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base)) (= (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) 1) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)), 145#(and (= 8 (select |#length| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)), 140#true, 141#false, 142#(and (= 0 |main_~#data~0.offset|) (= (select |#valid| |main_~#data~0.base|) 1) (= 8 (select |#length| |main_~#data~0.base|))), 143#(and (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 8 (select |#length| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (= (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 1))] [2018-04-11 13:15:38,112 INFO 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 13:15:38,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:15:38,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:15:38,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:15:38,114 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 6 states. [2018-04-11 13:15:38,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:38,177 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-04-11 13:15:38,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:15:38,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-11 13:15:38,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:38,178 INFO L225 Difference]: With dead ends: 36 [2018-04-11 13:15:38,178 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 13:15:38,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:15:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 13:15:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 13:15:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 13:15:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-04-11 13:15:38,182 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 10 [2018-04-11 13:15:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:38,182 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-04-11 13:15:38,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:15:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-04-11 13:15:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 13:15:38,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:38,183 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] [2018-04-11 13:15:38,183 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:38,184 INFO L82 PathProgramCache]: Analyzing trace with hash 716751171, now seen corresponding path program 1 times [2018-04-11 13:15:38,185 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:38,202 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:38,287 INFO 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 13:15:38,287 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:38,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 13:15:38,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:38,287 INFO 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 13:15:38,287 INFO L182 omatonBuilderFactory]: Interpolants [224#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 225#(= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)), 226#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)), 227#(= 0 |main_#t~mem2.offset|), 228#(= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|), 229#(= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.offset 0), 220#true, 221#false, 222#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 223#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))] [2018-04-11 13:15:38,287 INFO 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 13:15:38,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 13:15:38,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 13:15:38,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 13:15:38,288 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 10 states. [2018-04-11 13:15:38,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:38,380 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-04-11 13:15:38,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:15:38,381 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-04-11 13:15:38,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:38,381 INFO L225 Difference]: With dead ends: 35 [2018-04-11 13:15:38,381 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 13:15:38,382 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:15:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 13:15:38,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 13:15:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 13:15:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-04-11 13:15:38,384 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 20 [2018-04-11 13:15:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:38,384 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-04-11 13:15:38,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 13:15:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-04-11 13:15:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 13:15:38,385 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:38,385 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:15:38,385 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash 744449885, now seen corresponding path program 1 times [2018-04-11 13:15:38,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:38,400 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:38,485 INFO 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 13:15:38,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:38,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 13:15:38,486 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:38,486 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 13:15:38,486 INFO L182 omatonBuilderFactory]: Interpolants [306#true, 307#false, 308#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 309#(and (= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 310#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))), 311#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 312#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))), 313#(= 1 (select |#valid| |main_#t~mem2.base|)), 314#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)), 315#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base))] [2018-04-11 13:15:38,486 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 13:15:38,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 13:15:38,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 13:15:38,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 13:15:38,486 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 10 states. [2018-04-11 13:15:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:38,574 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-04-11 13:15:38,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:15:38,575 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-04-11 13:15:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:38,575 INFO L225 Difference]: With dead ends: 37 [2018-04-11 13:15:38,575 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 13:15:38,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:15:38,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 13:15:38,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2018-04-11 13:15:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 13:15:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-11 13:15:38,579 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 21 [2018-04-11 13:15:38,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:38,579 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-11 13:15:38,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 13:15:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-11 13:15:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 13:15:38,580 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:38,580 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:15:38,580 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:38,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1843196865, now seen corresponding path program 1 times [2018-04-11 13:15:38,581 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:38,596 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:38,718 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 13:15:38,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:38,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 13:15:38,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:38,719 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 13:15:38,719 INFO L182 omatonBuilderFactory]: Interpolants [400#(= 0 |main_#t~mem3.offset|), 401#(= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset|), 402#(= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset 0), 393#true, 394#false, 395#(= |main_~#data~0.offset| 0), 396#(and (or (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (or (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))), 397#(and (or (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (or (and (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)))), 398#(or (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4))) (not (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 399#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4))) (= |main_~#data~0.offset| 0))] [2018-04-11 13:15:38,719 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 13:15:38,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 13:15:38,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 13:15:38,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-11 13:15:38,720 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 10 states. [2018-04-11 13:15:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:38,788 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-11 13:15:38,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:15:38,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 13:15:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:38,789 INFO L225 Difference]: With dead ends: 33 [2018-04-11 13:15:38,789 INFO L226 Difference]: Without dead ends: 33 [2018-04-11 13:15:38,789 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:15:38,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-11 13:15:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-11 13:15:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-11 13:15:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-04-11 13:15:38,791 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 23 [2018-04-11 13:15:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:38,791 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-04-11 13:15:38,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 13:15:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-04-11 13:15:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 13:15:38,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:38,792 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:15:38,792 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1304527898, now seen corresponding path program 1 times [2018-04-11 13:15:38,793 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:38,804 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:38,976 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 13:15:38,976 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:38,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 13:15:38,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:15:38,977 INFO L182 omatonBuilderFactory]: Interpolants [480#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4)))) (not (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 481#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)))), 482#(= 1 (select |#valid| |main_#t~mem3.base|)), 483#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)), 484#(or (= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base)), 485#(or (and (= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base))) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.offset __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 486#(or (and (= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base))) (not (= 0 __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 487#(or (= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base)) (not (= 0 __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 488#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base)), 475#true, 476#false, 477#(= |main_~#data~0.offset| 0), 478#(and (or (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 479#(and (or (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))] [2018-04-11 13:15:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:15:38,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 13:15:38,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 13:15:38,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:15:38,977 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2018-04-11 13:15:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:39,205 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-04-11 13:15:39,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:15:39,205 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-04-11 13:15:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:39,206 INFO L225 Difference]: With dead ends: 35 [2018-04-11 13:15:39,206 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 13:15:39,207 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:15:39,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 13:15:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-04-11 13:15:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 13:15:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-11 13:15:39,209 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-04-11 13:15:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:39,210 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-11 13:15:39,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 13:15:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-11 13:15:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 13:15:39,210 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:39,210 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] [2018-04-11 13:15:39,210 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:39,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1891964165, now seen corresponding path program 1 times [2018-04-11 13:15:39,211 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:39,223 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:39,360 INFO 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 13:15:39,360 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:39,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 13:15:39,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:39,360 INFO 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 13:15:39,361 INFO L182 omatonBuilderFactory]: Interpolants [576#(= |main_~#data~0.offset| 0), 577#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 578#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|) 1) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 579#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) 1) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 580#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 581#(or (not (= (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4)))) (not (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 582#(not (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)))), 583#(not (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)))), 584#(not (= |main_#t~mem2.base| |main_#t~mem3.base|)), 585#(and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)), 586#(= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|), 574#true, 575#false] [2018-04-11 13:15:39,361 INFO 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 13:15:39,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:15:39,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:15:39,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:15:39,361 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 13 states. [2018-04-11 13:15:39,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:39,498 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-04-11 13:15:39,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 13:15:39,499 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-11 13:15:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:39,499 INFO L225 Difference]: With dead ends: 34 [2018-04-11 13:15:39,499 INFO L226 Difference]: Without dead ends: 32 [2018-04-11 13:15:39,499 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:15:39,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-11 13:15:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-11 13:15:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 13:15:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-04-11 13:15:39,501 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 25 [2018-04-11 13:15:39,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:39,501 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-04-11 13:15:39,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:15:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-04-11 13:15:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 13:15:39,502 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:15:39,502 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] [2018-04-11 13:15:39,502 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 13:15:39,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1700716363, now seen corresponding path program 1 times [2018-04-11 13:15:39,503 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:15:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:15:39,515 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:15:40,058 INFO 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 13:15:40,059 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:15:40,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-04-11 13:15:40,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:15:40,059 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 13:15:40,060 INFO L182 omatonBuilderFactory]: Interpolants [672#(and (or (and (= |#valid| (store |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|))) (= 0 (select |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)), 673#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= (select |#valid| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) 1) (= |#valid| (store |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)))), 674#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (and (or (and (= |#valid| (store (store |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))) (= (select |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|) 0)) (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)))), 675#(or (and (or (and (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4))) 0) (= |#valid| (store (store |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4) (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))))) (= (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4)))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ 0 4))))) (not (= 0 |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 676#(or (and (or (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) 0) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)) 0) |main_~#data~0.base| 0) |old(#valid)|) (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|)))) (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)))) (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4))))) (<= (+ |main_~#data~0.offset| 1) 0)), 677#(and (or (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4))) (= |old(#valid)| (store (store (store |#valid| |main_#t~mem2.base| 0) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4)) 0) |main_~#data~0.base| 0))) (not (= |main_~#data~0.base| |main_#t~mem2.base|)) (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 4))))), 678#(and (or (= |main_#t~mem2.base| |main_#t~mem3.base|) (= (store (store (store |#valid| |main_#t~mem2.base| 0) |main_#t~mem3.base| 0) |main_~#data~0.base| 0) |old(#valid)|)) (not (= |main_~#data~0.base| |main_#t~mem3.base|)) (not (= |main_~#data~0.base| |main_#t~mem2.base|))), 679#(and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= |#valid| |old(#valid)|) (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base)), 680#(or (and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= |#valid| |old(#valid)|) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.offset __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 681#(or (and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= |#valid| |old(#valid)|) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base)) (not (= 0 __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 682#(or (and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= |#valid| (store |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= 0 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))) (not (= 0 __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.offset))), 683#(and (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base) (= |#valid| (store |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= 0 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))), 684#(and (= |#valid| (store (store |old(#valid)| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)) |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))) (= 0 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)) (not (= |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= 0 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))), 685#(= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)), 667#true, 668#false, 669#(= |#valid| |old(#valid)|), 670#(and (= |main_~#data~0.offset| 0) (= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)) (= (select |#valid| |main_~#data~0.base|) 1)), 671#(and (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (and (= |#valid| |old(#valid)|) (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (not (= __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))))] [2018-04-11 13:15:40,060 INFO 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 13:15:40,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 13:15:40,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 13:15:40,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:15:40,060 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 19 states. [2018-04-11 13:15:40,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:15:40,599 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-04-11 13:15:40,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:15:40,600 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 31 [2018-04-11 13:15:40,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:15:40,600 INFO L225 Difference]: With dead ends: 31 [2018-04-11 13:15:40,600 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 13:15:40,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:15:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 13:15:40,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 13:15:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 13:15:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 13:15:40,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-04-11 13:15:40,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:15:40,601 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 13:15:40,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 13:15:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 13:15:40,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 13:15:40,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:15:40 BoogieIcfgContainer [2018-04-11 13:15:40,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:15:40,604 INFO L168 Benchmark]: Toolchain (without parser) took 3518.92 ms. Allocated memory was 403.7 MB in the beginning and 656.4 MB in the end (delta: 252.7 MB). Free memory was 335.9 MB in the beginning and 469.3 MB in the end (delta: -133.3 MB). Peak memory consumption was 119.4 MB. Max. memory is 5.3 GB. [2018-04-11 13:15:40,605 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:15:40,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.05 ms. Allocated memory is still 403.7 MB. Free memory was 335.9 MB in the beginning and 312.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 13:15:40,605 INFO L168 Benchmark]: Boogie Preprocessor took 33.93 ms. Allocated memory is still 403.7 MB. Free memory was 312.2 MB in the beginning and 309.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:15:40,605 INFO L168 Benchmark]: RCFGBuilder took 345.11 ms. Allocated memory was 403.7 MB in the beginning and 592.4 MB in the end (delta: 188.7 MB). Free memory was 309.5 MB in the beginning and 530.2 MB in the end (delta: -220.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 5.3 GB. [2018-04-11 13:15:40,606 INFO L168 Benchmark]: TraceAbstraction took 2914.53 ms. Allocated memory was 592.4 MB in the beginning and 656.4 MB in the end (delta: 64.0 MB). Free memory was 530.2 MB in the beginning and 469.3 MB in the end (delta: 60.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 5.3 GB. [2018-04-11 13:15:40,607 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 223.05 ms. Allocated memory is still 403.7 MB. Free memory was 335.9 MB in the beginning and 312.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.93 ms. Allocated memory is still 403.7 MB. Free memory was 312.2 MB in the beginning and 309.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 345.11 ms. Allocated memory was 403.7 MB in the beginning and 592.4 MB in the end (delta: 188.7 MB). Free memory was 309.5 MB in the beginning and 530.2 MB in the end (delta: -220.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2914.53 ms. Allocated memory was 592.4 MB in the beginning and 656.4 MB in the end (delta: 64.0 MB). Free memory was 530.2 MB in the beginning and 469.3 MB in the end (delta: 60.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 625]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 625]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 635]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 635]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 634]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 13 error locations. SAFE Result, 2.8s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 174 SDtfs, 188 SDslu, 740 SDs, 0 SdLazy, 1029 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 36060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-15-40-612.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-15-40-612.csv Received shutdown request...