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_Camel.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 21:04:24,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:04:24,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:04:24,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:04:24,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:04:24,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:04:24,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:04:24,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:04:24,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:04:24,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:04:24,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:04:24,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:04:24,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:04:24,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:04:24,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:04:24,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:04:24,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:04:24,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:04:24,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:04:24,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:04:24,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 21:04:24,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 21:04:24,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 21:04:24,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 21:04:24,059 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 21:04:24,060 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 21:04:24,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 21:04:24,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 21:04:24,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 21:04:24,061 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:04:24,062 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:04:24,062 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 21:04:24,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:04:24,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:04:24,085 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 21:04:24,085 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 21:04:24,085 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 21:04:24,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:04:24,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:04:24,085 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:04:24,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 21:04:24,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 21:04:24,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:04:24,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:04:24,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:04:24,087 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:04:24,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:04:24,087 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 21:04:24,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:04:24,120 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:04:24,123 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:04:24,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:04:24,124 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:04:24,125 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 21:04:24,477 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG823f2f734 [2018-04-11 21:04:24,606 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:04:24,606 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:04:24,606 INFO L168 CDTParser]: Scanning test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,615 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:04:24,615 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:04:24,615 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:04:24,615 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 21:04:24,615 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 21:04:24,616 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,616 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:04:24,616 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 21:04:24,616 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 21:04:24,616 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 21:04:24,616 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 21:04:24,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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21:04:24,618 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 21:04:24,619 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 21:04:24,619 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 21:04:24,619 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 21:04:24,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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[2018-04-11 21:04:24,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_mutexattr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____off64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____sig_atomic_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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21:04:24,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,620 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 21:04:24,620 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 21:04:24,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fd_mask in test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:24,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____timer_t 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21:04:24,621 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,622 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,623 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,624 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,625 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 21:04:24,643 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG823f2f734 [2018-04-11 21:04:24,647 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:04:24,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:04:24,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:04:24,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:04:24,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:04:24,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c4592e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24, skipping insertion in model container [2018-04-11 21:04:24,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,672 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:04:24,696 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:04:24,833 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:04:24,864 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:04:24,869 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 21:04:24,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24 WrapperNode [2018-04-11 21:04:24,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:04:24,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:04:24,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:04:24,898 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:04:24,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (1/1) ... [2018-04-11 21:04:24,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:04:24,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:04:24,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:04:24,930 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:04:24,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (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 21:04:25,046 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:04:25,046 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:04:25,046 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 21:04:25,046 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-11 21:04:25,046 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:04:25,046 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:04:25,046 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:04:25,046 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:04:25,047 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:04:25,048 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:04:25,049 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:04:25,050 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:04:25,051 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:04:25,052 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:04:25,053 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:04:25,054 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:04:25,055 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 21:04:25,056 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:04:25,057 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:04:25,288 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:04:25,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:04:25 BoogieIcfgContainer [2018-04-11 21:04:25,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:04:25,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:04:25,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:04:25,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:04:25,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:04:24" (1/3) ... [2018-04-11 21:04:25,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60532bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:04:25, skipping insertion in model container [2018-04-11 21:04:25,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:04:24" (2/3) ... [2018-04-11 21:04:25,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60532bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:04:25, skipping insertion in model container [2018-04-11 21:04:25,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:04:25" (3/3) ... [2018-04-11 21:04:25,293 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_true-valid-memsafety_true-termination.i [2018-04-11 21:04:25,300 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:04:25,306 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-11 21:04:25,338 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:04:25,339 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:04:25,339 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 21:04:25,339 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:04:25,339 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:04:25,340 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:04:25,340 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:04:25,340 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:04:25,340 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:04:25,340 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:04:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-11 21:04:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 21:04:25,360 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:25,361 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:04:25,361 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 21:04:25,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1158211215, now seen corresponding path program 1 times [2018-04-11 21:04:25,367 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:25,367 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:25,400 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:25,401 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:25,437 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:25,528 INFO 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 21:04:25,530 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:25,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 21:04:25,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 21:04:25,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 21:04:25,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:04:25,540 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 5 states. [2018-04-11 21:04:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:25,620 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-11 21:04:25,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:04:25,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 21:04:25,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:25,634 INFO L225 Difference]: With dead ends: 43 [2018-04-11 21:04:25,634 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 21:04:25,636 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 21:04:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 21:04:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 21:04:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 21:04:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-11 21:04:25,664 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 10 [2018-04-11 21:04:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:25,664 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-11 21:04:25,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 21:04:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-11 21:04:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 21:04:25,665 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:25,665 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:04:25,665 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 21:04:25,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1158211216, now seen corresponding path program 1 times [2018-04-11 21:04:25,666 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:25,666 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:25,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:25,667 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:25,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:25,731 INFO 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 21:04:25,732 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:25,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 21:04:25,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:04:25,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:04:25,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:04:25,733 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 6 states. [2018-04-11 21:04:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:25,806 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-04-11 21:04:25,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:04:25,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-11 21:04:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:25,807 INFO L225 Difference]: With dead ends: 36 [2018-04-11 21:04:25,807 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 21:04:25,807 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 21:04:25,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 21:04:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 21:04:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 21:04:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-04-11 21:04:25,811 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 10 [2018-04-11 21:04:25,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:25,811 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-04-11 21:04:25,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:04:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-04-11 21:04:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 21:04:25,812 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:25,812 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 21:04:25,812 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 21:04:25,812 INFO L82 PathProgramCache]: Analyzing trace with hash 716751171, now seen corresponding path program 1 times [2018-04-11 21:04:25,812 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:25,812 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:25,813 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:25,813 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:25,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:25,903 INFO 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 21:04:25,903 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:25,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 21:04:25,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 21:04:25,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 21:04:25,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 21:04:25,903 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 10 states. [2018-04-11 21:04:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:25,977 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-04-11 21:04:25,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 21:04:25,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-04-11 21:04:25,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:25,979 INFO L225 Difference]: With dead ends: 35 [2018-04-11 21:04:25,979 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 21:04:25,979 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 21:04:25,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 21:04:25,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 21:04:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 21:04:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-04-11 21:04:25,981 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 20 [2018-04-11 21:04:25,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:25,981 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-04-11 21:04:25,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 21:04:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-04-11 21:04:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 21:04:25,982 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:25,982 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 21:04:25,982 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 21:04:25,982 INFO L82 PathProgramCache]: Analyzing trace with hash 744449885, now seen corresponding path program 1 times [2018-04-11 21:04:25,982 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:25,982 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:25,983 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:25,983 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:25,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:26,074 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:26,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 21:04:26,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 21:04:26,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 21:04:26,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 21:04:26,075 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 10 states. [2018-04-11 21:04:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:26,159 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-04-11 21:04:26,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 21:04:26,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-04-11 21:04:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:26,160 INFO L225 Difference]: With dead ends: 37 [2018-04-11 21:04:26,160 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 21:04:26,161 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 21:04:26,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 21:04:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2018-04-11 21:04:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 21:04:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-11 21:04:26,164 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 21 [2018-04-11 21:04:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:26,164 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-11 21:04:26,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 21:04:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-11 21:04:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 21:04:26,165 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:26,165 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 21:04:26,165 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 21:04:26,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1843196865, now seen corresponding path program 1 times [2018-04-11 21:04:26,165 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:26,165 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:26,166 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:26,167 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:26,184 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:26,285 INFO 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 21:04:26,286 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:26,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 21:04:26,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 21:04:26,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 21:04:26,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-11 21:04:26,287 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 10 states. [2018-04-11 21:04:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:26,360 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-11 21:04:26,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 21:04:26,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 21:04:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:26,361 INFO L225 Difference]: With dead ends: 33 [2018-04-11 21:04:26,361 INFO L226 Difference]: Without dead ends: 33 [2018-04-11 21:04:26,361 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 21:04:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-11 21:04:26,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-11 21:04:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-11 21:04:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-04-11 21:04:26,362 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 23 [2018-04-11 21:04:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:26,362 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-04-11 21:04:26,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 21:04:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-04-11 21:04:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 21:04:26,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:26,363 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 21:04:26,363 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 21:04:26,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1304527898, now seen corresponding path program 1 times [2018-04-11 21:04:26,363 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:26,363 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:26,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:26,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:26,375 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:26,542 INFO 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 21:04:26,542 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:26,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 21:04:26,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 21:04:26,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 21:04:26,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-11 21:04:26,542 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2018-04-11 21:04:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:26,740 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-04-11 21:04:26,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 21:04:26,741 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-04-11 21:04:26,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:26,742 INFO L225 Difference]: With dead ends: 35 [2018-04-11 21:04:26,742 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 21:04:26,743 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 21:04:26,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 21:04:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-04-11 21:04:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 21:04:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-11 21:04:26,745 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-04-11 21:04:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:26,746 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-11 21:04:26,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 21:04:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-11 21:04:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 21:04:26,747 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:26,747 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 21:04:26,747 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 21:04:26,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1891964165, now seen corresponding path program 1 times [2018-04-11 21:04:26,747 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:26,747 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:26,748 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:26,748 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:26,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:26,924 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:26,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 21:04:26,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 21:04:26,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 21:04:26,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-11 21:04:26,924 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 13 states. [2018-04-11 21:04:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:27,050 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-04-11 21:04:27,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 21:04:27,050 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-11 21:04:27,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:27,050 INFO L225 Difference]: With dead ends: 34 [2018-04-11 21:04:27,050 INFO L226 Difference]: Without dead ends: 32 [2018-04-11 21:04:27,051 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 21:04:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-11 21:04:27,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-11 21:04:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 21:04:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-04-11 21:04:27,052 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 25 [2018-04-11 21:04:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:27,052 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-04-11 21:04:27,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 21:04:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-04-11 21:04:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 21:04:27,053 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:27,053 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 21:04:27,053 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 21:04:27,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1700716363, now seen corresponding path program 1 times [2018-04-11 21:04:27,053 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:27,053 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:27,053 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:27,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:27,054 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:27,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:27,606 INFO 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 21:04:27,606 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:04:27,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-04-11 21:04:27,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 21:04:27,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 21:04:27,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2018-04-11 21:04:27,607 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 19 states. [2018-04-11 21:04:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:28,112 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-04-11 21:04:28,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 21:04:28,112 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 31 [2018-04-11 21:04:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:28,113 INFO L225 Difference]: With dead ends: 31 [2018-04-11 21:04:28,113 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 21:04:28,113 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 21:04:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 21:04:28,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 21:04:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 21:04:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 21:04:28,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-04-11 21:04:28,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:28,113 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 21:04:28,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 21:04:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 21:04:28,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 21:04:28,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:04:28 BoogieIcfgContainer [2018-04-11 21:04:28,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 21:04:28,117 INFO L168 Benchmark]: Toolchain (without parser) took 3469.05 ms. Allocated memory was 438.3 MB in the beginning and 702.5 MB in the end (delta: 264.2 MB). Free memory was 372.6 MB in the beginning and 652.3 MB in the end (delta: -279.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:04:28,118 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 438.3 MB. Free memory is still 399.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:04:28,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.15 ms. Allocated memory is still 438.3 MB. Free memory was 372.6 MB in the beginning and 348.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:28,118 INFO L168 Benchmark]: Boogie Preprocessor took 31.86 ms. Allocated memory is still 438.3 MB. Free memory was 348.8 MB in the beginning and 346.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:28,118 INFO L168 Benchmark]: RCFGBuilder took 358.93 ms. Allocated memory was 438.3 MB in the beginning and 480.2 MB in the end (delta: 41.9 MB). Free memory was 346.2 MB in the beginning and 412.3 MB in the end (delta: -66.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:28,118 INFO L168 Benchmark]: TraceAbstraction took 2827.22 ms. Allocated memory was 480.2 MB in the beginning and 702.5 MB in the end (delta: 222.3 MB). Free memory was 412.3 MB in the beginning and 652.3 MB in the end (delta: -240.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:04:28,119 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 438.3 MB. Free memory is still 399.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 248.15 ms. Allocated memory is still 438.3 MB. Free memory was 372.6 MB in the beginning and 348.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.86 ms. Allocated memory is still 438.3 MB. Free memory was 348.8 MB in the beginning and 346.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 358.93 ms. Allocated memory was 438.3 MB in the beginning and 480.2 MB in the end (delta: 41.9 MB). Free memory was 346.2 MB in the beginning and 412.3 MB in the end (delta: -66.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2827.22 ms. Allocated memory was 480.2 MB in the beginning and 702.5 MB in the end (delta: 222.3 MB). Free memory was 412.3 MB in the beginning and 652.3 MB in the end (delta: -240.1 MB). There was no memory consumed. 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, 2.7s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 174 SDtfs, 188 SDslu, 740 SDs, 0 SdLazy, 1029 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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, 0.0s 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_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-04-28-123.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_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_21-04-28-123.csv Received shutdown request...