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/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 11:19:01,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 11:19:01,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 11:19:01,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 11:19:01,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 11:19:01,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 11:19:01,652 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 11:19:01,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 11:19:01,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 11:19:01,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 11:19:01,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 11:19:01,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 11:19:01,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 11:19:01,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 11:19:01,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 11:19:01,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 11:19:01,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 11:19:01,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 11:19:01,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 11:19:01,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 11:19:01,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 11:19:01,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 11:19:01,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 11:19:01,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 11:19:01,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 11:19:01,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 11:19:01,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 11:19:01,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 11:19:01,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 11:19:01,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 11:19:01,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 11:19:01,677 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 11:19:01,701 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 11:19:01,701 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 11:19:01,702 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 11:19:01,703 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 11:19:01,703 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 11:19:01,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 11:19:01,703 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 11:19:01,703 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 11:19:01,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 11:19:01,705 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 11:19:01,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 11:19:01,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 11:19:01,705 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 11:19:01,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 11:19:01,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 11:19:01,706 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 11:19:01,706 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 11:19:01,706 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 11:19:01,706 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 11:19:01,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 11:19:01,749 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 11:19:01,752 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 11:19:01,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 11:19:01,754 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 11:19:01,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,056 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2007f372d [2018-04-11 11:19:02,187 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 11:19:02,187 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 11:19:02,188 INFO L168 CDTParser]: Scanning test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,194 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 11:19:02,194 INFO L215 ultiparseSymbolTable]: [2018-04-11 11:19:02,194 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 11:19:02,194 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data ('alloc_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,194 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,194 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data ('free_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____swblk_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sig_atomic_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__div_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_spinlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutexattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____intptr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrier_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_attr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__size_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_once_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_cond_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__TData in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__wchar_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pthread_list_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__lldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____socklen_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ulong in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_set in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uint in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____qaddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ushort in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____useconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__register_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,218 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2007f372d [2018-04-11 11:19:02,221 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 11:19:02,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 11:19:02,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 11:19:02,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 11:19:02,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 11:19:02,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df3506c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02, skipping insertion in model container [2018-04-11 11:19:02,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,239 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 11:19:02,260 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 11:19:02,411 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 11:19:02,447 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 11:19:02,453 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-04-11 11:19:02,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02 WrapperNode [2018-04-11 11:19:02,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 11:19:02,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 11:19:02,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 11:19:02,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 11:19:02,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (1/1) ... [2018-04-11 11:19:02,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 11:19:02,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 11:19:02,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 11:19:02,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 11:19:02,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (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 11:19:02,606 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 11:19:02,606 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 11:19:02,606 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 11:19:02,606 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-11 11:19:02,606 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 11:19:02,607 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 11:19:02,608 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 11:19:02,609 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 11:19:02,610 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 11:19:02,612 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 11:19:02,613 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 11:19:02,614 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 11:19:02,615 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 11:19:02,616 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 11:19:02,617 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 11:19:02,618 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 11:19:02,620 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-11 11:19:02,620 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 11:19:02,621 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 11:19:02,621 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 11:19:02,621 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 11:19:02,621 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 11:19:02,621 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 11:19:02,903 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 11:19:02,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:19:02 BoogieIcfgContainer [2018-04-11 11:19:02,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 11:19:02,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 11:19:02,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 11:19:02,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 11:19:02,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 11:19:02" (1/3) ... [2018-04-11 11:19:02,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6975313d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:19:02, skipping insertion in model container [2018-04-11 11:19:02,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:19:02" (2/3) ... [2018-04-11 11:19:02,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6975313d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:19:02, skipping insertion in model container [2018-04-11 11:19:02,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:19:02" (3/3) ... [2018-04-11 11:19:02,909 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 11:19:02,916 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 11:19:02,922 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-04-11 11:19:02,945 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 11:19:02,945 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 11:19:02,945 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 11:19:02,945 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 11:19:02,945 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 11:19:02,945 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 11:19:02,945 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 11:19:02,945 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 11:19:02,945 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 11:19:02,946 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 11:19:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-04-11 11:19:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 11:19:02,961 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:02,962 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:02,962 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:02,965 INFO L82 PathProgramCache]: Analyzing trace with hash 372371681, now seen corresponding path program 1 times [2018-04-11 11:19:02,966 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:02,966 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:02,992 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:02,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:02,993 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,102 INFO 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 11:19:03,104 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:19:03,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:19:03,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:19:03,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:19:03,115 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 5 states. [2018-04-11 11:19:03,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,250 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-11 11:19:03,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 11:19:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,258 INFO L225 Difference]: With dead ends: 61 [2018-04-11 11:19:03,258 INFO L226 Difference]: Without dead ends: 58 [2018-04-11 11:19:03,260 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 11:19:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-11 11:19:03,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-11 11:19:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 11:19:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-11 11:19:03,285 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 10 [2018-04-11 11:19:03,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,285 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-11 11:19:03,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:19:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-11 11:19:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 11:19:03,285 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,285 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:03,285 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,286 INFO L82 PathProgramCache]: Analyzing trace with hash 372371682, now seen corresponding path program 1 times [2018-04-11 11:19:03,286 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,286 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,302 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 11:19:03,365 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 11:19:03,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 11:19:03,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 11:19:03,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 11:19:03,366 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 6 states. [2018-04-11 11:19:03,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,481 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-11 11:19:03,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-11 11:19:03,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,482 INFO L225 Difference]: With dead ends: 52 [2018-04-11 11:19:03,482 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 11:19:03,483 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 11:19:03,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 11:19:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 11:19:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 11:19:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-04-11 11:19:03,487 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 10 [2018-04-11 11:19:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,487 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-04-11 11:19:03,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 11:19:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-04-11 11:19:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 11:19:03,488 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,488 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:03,488 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,488 INFO L82 PathProgramCache]: Analyzing trace with hash -669305883, now seen corresponding path program 1 times [2018-04-11 11:19:03,488 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,488 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,489 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,489 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,545 INFO 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 11:19:03,545 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:19:03,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:19:03,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:19:03,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:19:03,546 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 5 states. [2018-04-11 11:19:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,615 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-04-11 11:19:03,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 11:19:03,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,616 INFO L225 Difference]: With dead ends: 51 [2018-04-11 11:19:03,616 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 11:19:03,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 11:19:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 11:19:03,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 11:19:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 11:19:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-11 11:19:03,620 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 14 [2018-04-11 11:19:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,620 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-11 11:19:03,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:19:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-11 11:19:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 11:19:03,621 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,621 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:03,621 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,621 INFO L82 PathProgramCache]: Analyzing trace with hash -669305882, now seen corresponding path program 1 times [2018-04-11 11:19:03,621 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,621 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 11:19:03,679 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:19:03,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:19:03,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:19:03,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:19:03,680 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 5 states. [2018-04-11 11:19:03,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,735 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-04-11 11:19:03,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 11:19:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,735 INFO L225 Difference]: With dead ends: 50 [2018-04-11 11:19:03,735 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 11:19:03,736 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 11:19:03,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 11:19:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 11:19:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 11:19:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-11 11:19:03,738 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 14 [2018-04-11 11:19:03,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,738 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-11 11:19:03,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:19:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-11 11:19:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 11:19:03,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,738 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:03,738 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,739 INFO L82 PathProgramCache]: Analyzing trace with hash -2053365435, now seen corresponding path program 1 times [2018-04-11 11:19:03,739 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,739 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,739 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,739 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,746 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,780 INFO 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 11:19:03,780 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:19:03,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:19:03,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:19:03,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:19:03,781 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 5 states. [2018-04-11 11:19:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,833 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-11 11:19:03,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-11 11:19:03,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,833 INFO L225 Difference]: With dead ends: 49 [2018-04-11 11:19:03,833 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 11:19:03,834 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 11:19:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 11:19:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 11:19:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 11:19:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-04-11 11:19:03,836 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 17 [2018-04-11 11:19:03,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,836 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-04-11 11:19:03,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:19:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-04-11 11:19:03,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 11:19:03,837 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,837 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:03,837 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2053365434, now seen corresponding path program 1 times [2018-04-11 11:19:03,837 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,837 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,838 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:03,886 INFO 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 11:19:03,886 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:03,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:19:03,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:19:03,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:19:03,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:19:03,887 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 5 states. [2018-04-11 11:19:03,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:03,933 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-04-11 11:19:03,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:19:03,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-11 11:19:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:03,934 INFO L225 Difference]: With dead ends: 48 [2018-04-11 11:19:03,934 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 11:19:03,934 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 11:19:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 11:19:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-11 11:19:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 11:19:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-11 11:19:03,937 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 17 [2018-04-11 11:19:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:03,937 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-11 11:19:03,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:19:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-11 11:19:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 11:19:03,937 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:03,937 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 11:19:03,937 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:03,938 INFO L82 PathProgramCache]: Analyzing trace with hash -121749147, now seen corresponding path program 1 times [2018-04-11 11:19:03,938 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:03,938 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:03,938 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:03,938 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:03,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:04,014 INFO 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 11:19:04,014 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:04,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 11:19:04,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 11:19:04,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 11:19:04,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 11:19:04,015 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 10 states. [2018-04-11 11:19:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:04,115 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-11 11:19:04,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 11:19:04,115 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-11 11:19:04,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:04,116 INFO L225 Difference]: With dead ends: 49 [2018-04-11 11:19:04,116 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 11:19:04,116 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 11:19:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 11:19:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-04-11 11:19:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 11:19:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-04-11 11:19:04,118 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 25 [2018-04-11 11:19:04,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:04,118 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-04-11 11:19:04,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 11:19:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-04-11 11:19:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 11:19:04,118 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:04,119 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 11:19:04,119 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:04,119 INFO L82 PathProgramCache]: Analyzing trace with hash -121749146, now seen corresponding path program 1 times [2018-04-11 11:19:04,119 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:04,119 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:04,119 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:04,120 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:04,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:04,264 INFO 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 11:19:04,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:04,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 11:19:04,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 11:19:04,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 11:19:04,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-04-11 11:19:04,265 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 13 states. [2018-04-11 11:19:04,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:04,443 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-04-11 11:19:04,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 11:19:04,443 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-11 11:19:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:04,443 INFO L225 Difference]: With dead ends: 44 [2018-04-11 11:19:04,443 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 11:19:04,445 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2018-04-11 11:19:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 11:19:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-11 11:19:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-11 11:19:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-11 11:19:04,447 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 25 [2018-04-11 11:19:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:04,448 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-11 11:19:04,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 11:19:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-11 11:19:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 11:19:04,448 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:04,448 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:04,448 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:04,449 INFO L82 PathProgramCache]: Analyzing trace with hash 520743713, now seen corresponding path program 1 times [2018-04-11 11:19:04,449 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:04,449 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:04,449 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:04,449 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:04,465 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:04,601 INFO 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 11:19:04,601 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:04,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 11:19:04,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 11:19:04,602 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 11:19:04,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 11:19:04,602 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 11 states. [2018-04-11 11:19:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:04,714 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-11 11:19:04,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 11:19:04,714 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-11 11:19:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:04,715 INFO L225 Difference]: With dead ends: 46 [2018-04-11 11:19:04,715 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 11:19:04,715 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-11 11:19:04,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 11:19:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-11 11:19:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 11:19:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-11 11:19:04,717 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 26 [2018-04-11 11:19:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:04,718 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-11 11:19:04,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 11:19:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-11 11:19:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 11:19:04,718 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:04,719 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:04,719 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:04,719 INFO L82 PathProgramCache]: Analyzing trace with hash 520743714, now seen corresponding path program 1 times [2018-04-11 11:19:04,719 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:04,719 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:04,720 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:04,720 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:04,735 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:04,920 INFO 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 11:19:04,921 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:04,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 11:19:04,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 11:19:04,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 11:19:04,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 11:19:04,921 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 11 states. [2018-04-11 11:19:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:05,038 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-04-11 11:19:05,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 11:19:05,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-11 11:19:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:05,039 INFO L225 Difference]: With dead ends: 41 [2018-04-11 11:19:05,039 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 11:19:05,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-04-11 11:19:05,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 11:19:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-11 11:19:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 11:19:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-04-11 11:19:05,041 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 26 [2018-04-11 11:19:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:05,041 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-04-11 11:19:05,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 11:19:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-04-11 11:19:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 11:19:05,042 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:05,042 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:05,042 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:05,042 INFO L82 PathProgramCache]: Analyzing trace with hash -80397564, now seen corresponding path program 1 times [2018-04-11 11:19:05,042 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:05,042 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:05,043 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:05,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:05,043 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:05,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 11:19:05,307 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:05,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-11 11:19:05,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 11:19:05,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 11:19:05,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-11 11:19:05,308 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 16 states. [2018-04-11 11:19:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:05,517 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-11 11:19:05,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 11:19:05,517 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-04-11 11:19:05,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:05,519 INFO L225 Difference]: With dead ends: 42 [2018-04-11 11:19:05,519 INFO L226 Difference]: Without dead ends: 42 [2018-04-11 11:19:05,519 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-04-11 11:19:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-11 11:19:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-04-11 11:19:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 11:19:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-11 11:19:05,521 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 32 [2018-04-11 11:19:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:05,521 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-11 11:19:05,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 11:19:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-11 11:19:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 11:19:05,522 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:05,522 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:05,522 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:05,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1223963579, now seen corresponding path program 1 times [2018-04-11 11:19:05,522 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:05,522 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:05,523 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:05,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:05,523 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:05,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:06,020 INFO 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 11:19:06,020 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:06,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-04-11 11:19:06,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 11:19:06,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 11:19:06,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2018-04-11 11:19:06,020 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 19 states. [2018-04-11 11:19:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:06,548 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-04-11 11:19:06,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 11:19:06,548 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 33 [2018-04-11 11:19:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:06,549 INFO L225 Difference]: With dead ends: 42 [2018-04-11 11:19:06,549 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 11:19:06,549 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=889, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 11:19:06,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 11:19:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 11:19:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 11:19:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-04-11 11:19:06,551 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2018-04-11 11:19:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:06,551 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-04-11 11:19:06,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 11:19:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-04-11 11:19:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 11:19:06,552 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:19:06,552 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:19:06,552 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __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_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 11:19:06,552 INFO L82 PathProgramCache]: Analyzing trace with hash 630436865, now seen corresponding path program 1 times [2018-04-11 11:19:06,552 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:19:06,552 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:19:06,552 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:06,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:19:06,553 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:19:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:19:06,563 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:19:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 11:19:07,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:19:07,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-04-11 11:19:07,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 11:19:07,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 11:19:07,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2018-04-11 11:19:07,120 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 19 states. [2018-04-11 11:19:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:19:07,608 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-04-11 11:19:07,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 11:19:07,608 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2018-04-11 11:19:07,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:19:07,609 INFO L225 Difference]: With dead ends: 39 [2018-04-11 11:19:07,609 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 11:19:07,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-04-11 11:19:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 11:19:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 11:19:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 11:19:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 11:19:07,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-04-11 11:19:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:19:07,610 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 11:19:07,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 11:19:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 11:19:07,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 11:19:07,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 11:19:07 BoogieIcfgContainer [2018-04-11 11:19:07,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 11:19:07,615 INFO L168 Benchmark]: Toolchain (without parser) took 5392.98 ms. Allocated memory was 403.2 MB in the beginning and 776.5 MB in the end (delta: 373.3 MB). Free memory was 337.5 MB in the beginning and 710.9 MB in the end (delta: -373.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 11:19:07,615 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 403.2 MB. Free memory is still 363.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 11:19:07,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.02 ms. Allocated memory is still 403.2 MB. Free memory was 336.1 MB in the beginning and 312.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-11 11:19:07,616 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 403.2 MB. Free memory was 312.1 MB in the beginning and 309.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 11:19:07,616 INFO L168 Benchmark]: RCFGBuilder took 382.35 ms. Allocated memory was 403.2 MB in the beginning and 610.3 MB in the end (delta: 207.1 MB). Free memory was 309.4 MB in the beginning and 543.9 MB in the end (delta: -234.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. [2018-04-11 11:19:07,616 INFO L168 Benchmark]: TraceAbstraction took 4710.09 ms. Allocated memory was 610.3 MB in the beginning and 776.5 MB in the end (delta: 166.2 MB). Free memory was 543.9 MB in the beginning and 710.9 MB in the end (delta: -167.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 11:19:07,617 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 403.2 MB. Free memory is still 363.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 267.02 ms. Allocated memory is still 403.2 MB. Free memory was 336.1 MB in the beginning and 312.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 403.2 MB. Free memory was 312.1 MB in the beginning and 309.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 382.35 ms. Allocated memory was 403.2 MB in the beginning and 610.3 MB in the end (delta: 207.1 MB). Free memory was 309.4 MB in the beginning and 543.9 MB in the end (delta: -234.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4710.09 ms. Allocated memory was 610.3 MB in the beginning and 776.5 MB in the end (delta: 166.2 MB). Free memory was 543.9 MB in the beginning and 710.9 MB in the end (delta: -167.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 637]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 637]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 642]: 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: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: 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: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: 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: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 25 error locations. SAFE Result, 4.6s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 408 SDtfs, 509 SDslu, 1306 SDs, 0 SdLazy, 1784 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred 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, 13 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 110982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_11-19-07-624.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_11-19-07-624.csv Received shutdown request...