java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 13:06:36,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:06:36,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:06:36,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 13:06:36,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 13:06:36,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 13:06:36,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 13:06:36,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 13:06:36,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 13:06:36,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 13:06:36,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 13:06:36,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 13:06:36,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 13:06:36,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 13:06:36,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 13:06:36,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 13:06:36,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 13:06:36,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 13:06:36,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 13:06:36,959 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 13:06:36,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-28 13:06:36,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-28 13:06:36,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-28 13:06:36,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-28 13:06:36,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-28 13:06:36,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-28 13:06:36,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-28 13:06:36,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-28 13:06:36,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-28 13:06:36,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 13:06:36,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 13:06:36,968 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 13:06:36,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:06:36,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:06:36,993 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:06:36,993 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:06:36,993 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:06:36,993 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:06:36,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:06:36,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:06:36,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:06:36,994 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:06:36,994 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:06:36,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:06:36,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:06:36,995 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:06:36,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:06:36,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:06:36,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:06:36,996 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:06:36,996 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:06:36,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:06:36,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:06:36,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:06:36,996 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:06:36,997 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:06:36,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:06:36,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:06:36,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:06:36,997 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:06:36,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:06:36,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:06:36,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:06:36,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:36,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:06:36,999 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:06:36,999 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:06:36,999 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:06:36,999 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:06:37,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:06:37,043 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:06:37,046 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:06:37,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:06:37,047 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:06:37,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-03-28 13:06:37,356 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbddce9832 [2018-03-28 13:06:37,668 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:06:37,669 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:06:37,670 INFO L171 CDTParser]: Scanning test-0019_1_true-valid-memsafety_true-termination.i [2018-03-28 13:06:37,693 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:06:37,693 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:06:37,693 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:06:37,693 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 [2018-03-28 13:06:37,693 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_true-valid-memsafety_true-termination.i [2018-03-28 13:06:37,693 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 [2018-03-28 13:06:37,694 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:06:37,694 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 [2018-03-28 13:06:37,694 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 [2018-03-28 13:06:37,694 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 [2018-03-28 13:06:37,694 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 [2018-03-28 13:06:37,694 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 [2018-03-28 13:06:37,699 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 [2018-03-28 13:06:37,699 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 [2018-03-28 13:06:37,699 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 [2018-03-28 13:06:37,699 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 [2018-03-28 13:06:37,699 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,700 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,701 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,702 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,703 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,704 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,705 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,706 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 [2018-03-28 13:06:37,707 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 [2018-03-28 13:06:37,707 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 [2018-03-28 13:06:37,708 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,709 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,710 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,711 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 [2018-03-28 13:06:37,712 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 [2018-03-28 13:06:37,714 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,715 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,716 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 [2018-03-28 13:06:37,721 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 [2018-03-28 13:06:37,721 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 [2018-03-28 13:06:37,721 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 [2018-03-28 13:06:37,721 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 [2018-03-28 13:06:37,721 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 [2018-03-28 13:06:37,722 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 [2018-03-28 13:06:37,722 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 [2018-03-28 13:06:37,722 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 [2018-03-28 13:06:37,749 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbddce9832 [2018-03-28 13:06:37,755 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:06:37,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:06:37,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:06:37,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:06:37,768 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:06:37,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:06:37" (1/1) ... [2018-03-28 13:06:37,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26671fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:37, skipping insertion in model container [2018-03-28 13:06:37,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:06:37" (1/1) ... [2018-03-28 13:06:37,797 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:06:37,851 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:06:38,105 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:06:38,164 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:06:38,172 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-03-28 13:06:38,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38 WrapperNode [2018-03-28 13:06:38,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:06:38,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:06:38,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:06:38,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:06:38,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... [2018-03-28 13:06:38,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:06:38,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:06:38,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:06:38,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:06:38,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (1/1) ... No working directory specified, using /storage/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 [2018-03-28 13:06:38,430 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:06:38,431 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:06:38,431 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-03-28 13:06:38,431 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-03-28 13:06:38,431 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:06:38,431 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 13:06:38,431 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 13:06:38,431 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 13:06:38,432 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 13:06:38,433 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 13:06:38,434 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 13:06:38,435 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 13:06:38,435 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 13:06:38,435 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 13:06:38,435 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 13:06:38,435 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 13:06:38,436 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 13:06:38,437 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 13:06:38,438 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 13:06:38,439 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 13:06:38,440 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 13:06:38,441 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 13:06:38,441 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 13:06:38,441 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 13:06:38,442 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 13:06:38,443 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 13:06:38,444 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:06:38,445 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:06:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:06:38,447 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:06:38,805 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:06:38,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:06:38 BoogieIcfgContainer [2018-03-28 13:06:38,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:06:38,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:06:38,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:06:38,809 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:06:38,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:06:37" (1/3) ... [2018-03-28 13:06:38,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98843e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:06:38, skipping insertion in model container [2018-03-28 13:06:38,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:06:38" (2/3) ... [2018-03-28 13:06:38,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98843e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:06:38, skipping insertion in model container [2018-03-28 13:06:38,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:06:38" (3/3) ... [2018-03-28 13:06:38,812 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-03-28 13:06:38,822 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:06:38,828 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-03-28 13:06:38,871 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:06:38,872 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:06:38,872 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:06:38,872 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:06:38,872 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:06:38,872 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:06:38,873 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:06:38,873 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:06:38,873 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:06:38,874 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:06:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-03-28 13:06:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-28 13:06:38,891 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:38,892 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:38,892 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]=== [2018-03-28 13:06:38,896 INFO L82 PathProgramCache]: Analyzing trace with hash 2125373539, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:38,908 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:38,953 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:39,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:39,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:39,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,032 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 13:06:39,107 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,108 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 13:06:39,110 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,138 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,139 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:06:39,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:39,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-03-28 13:06:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:39,170 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:39,361 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:39,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 13:06:39,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:06:39,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:06:39,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:06:39,375 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 10 states. [2018-03-28 13:06:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:39,611 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-03-28 13:06:39,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:06:39,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-03-28 13:06:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:39,622 INFO L225 Difference]: With dead ends: 76 [2018-03-28 13:06:39,623 INFO L226 Difference]: Without dead ends: 61 [2018-03-28 13:06:39,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-03-28 13:06:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-03-28 13:06:39,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-03-28 13:06:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-28 13:06:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-03-28 13:06:39,670 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 11 [2018-03-28 13:06:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:39,671 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-03-28 13:06:39,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:06:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-03-28 13:06:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-28 13:06:39,673 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:39,673 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:39,673 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]=== [2018-03-28 13:06:39,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1271204966, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:39,684 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:39,718 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:39,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:39,730 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,732 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:06:39,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:39,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:39,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 13:06:39,758 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,759 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-03-28 13:06:39,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-03-28 13:06:39,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-03-28 13:06:39,813 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:39,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-03-28 13:06:39,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,853 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:39,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-03-28 13:06:39,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-03-28 13:06:39,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-03-28 13:06:39,985 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:39,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:40,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:40,009 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-03-28 13:06:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:40,019 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:40,098 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:40,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-03-28 13:06:40,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:06:40,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:06:40,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:06:40,100 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 10 states. [2018-03-28 13:06:40,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:40,298 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-03-28 13:06:40,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:06:40,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-03-28 13:06:40,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:40,300 INFO L225 Difference]: With dead ends: 61 [2018-03-28 13:06:40,300 INFO L226 Difference]: Without dead ends: 60 [2018-03-28 13:06:40,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-03-28 13:06:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-28 13:06:40,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-03-28 13:06:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-03-28 13:06:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-03-28 13:06:40,305 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 15 [2018-03-28 13:06:40,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:40,306 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-03-28 13:06:40,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:06:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-03-28 13:06:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-28 13:06:40,306 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:40,306 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:40,306 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]=== [2018-03-28 13:06:40,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1271204967, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:40,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:40,335 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:40,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:40,343 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:40,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 13:06:40,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:40,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:40,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:40,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:40,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-03-28 13:06:40,395 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:40,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:06:40,396 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,405 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:40,406 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:40,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-28 13:06:40,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-03-28 13:06:40,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 13:06:40,434 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:40,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:06:40,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-03-28 13:06:40,465 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:40,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-03-28 13:06:40,466 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,474 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,502 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-03-28 13:06:40,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-03-28 13:06:40,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-03-28 13:06:40,558 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:40,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:40,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:06:40,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:06:40,581 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:40,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:40,590 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-03-28 13:06:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:40,628 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:40,971 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:40,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-03-28 13:06:40,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-28 13:06:40,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-28 13:06:40,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-03-28 13:06:40,973 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 11 states. [2018-03-28 13:06:41,335 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 49 DAG size of output 42 [2018-03-28 13:06:41,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:41,505 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-03-28 13:06:41,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:06:41,505 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-03-28 13:06:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:41,506 INFO L225 Difference]: With dead ends: 60 [2018-03-28 13:06:41,506 INFO L226 Difference]: Without dead ends: 59 [2018-03-28 13:06:41,507 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-03-28 13:06:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-03-28 13:06:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-03-28 13:06:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-03-28 13:06:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-03-28 13:06:41,515 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 15 [2018-03-28 13:06:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:41,515 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-03-28 13:06:41,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-28 13:06:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-03-28 13:06:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-28 13:06:41,516 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:41,516 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:41,516 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]=== [2018-03-28 13:06:41,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1740506218, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:41,523 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:41,541 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:41,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:41,547 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,551 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:06:41,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:41,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:41,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-28 13:06:41,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:06:41,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:06:41,595 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,598 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-28 13:06:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:41,602 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:41,628 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:41,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 13:06:41,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 13:06:41,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 13:06:41,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:06:41,629 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 5 states. [2018-03-28 13:06:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:41,767 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-03-28 13:06:41,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:06:41,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-03-28 13:06:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:41,768 INFO L225 Difference]: With dead ends: 59 [2018-03-28 13:06:41,768 INFO L226 Difference]: Without dead ends: 58 [2018-03-28 13:06:41,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:06:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-03-28 13:06:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-03-28 13:06:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-28 13:06:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-03-28 13:06:41,774 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 18 [2018-03-28 13:06:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:41,775 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-03-28 13:06:41,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 13:06:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-03-28 13:06:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-28 13:06:41,776 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:41,776 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:41,776 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]=== [2018-03-28 13:06:41,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1740506219, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:41,783 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:41,802 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:41,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:41,805 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,809 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:06:41,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:41,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:41,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:41,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:41,831 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,832 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,836 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,836 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-28 13:06:41,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:06:41,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:06:41,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,854 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-28 13:06:41,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-28 13:06:41,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,866 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:41,870 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-28 13:06:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:41,879 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:41,942 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:41,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-28 13:06:41,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 13:06:41,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 13:06:41,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:06:41,943 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 8 states. [2018-03-28 13:06:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:42,029 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-03-28 13:06:42,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:06:42,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-03-28 13:06:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:42,031 INFO L225 Difference]: With dead ends: 58 [2018-03-28 13:06:42,031 INFO L226 Difference]: Without dead ends: 57 [2018-03-28 13:06:42,031 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:06:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-03-28 13:06:42,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-03-28 13:06:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-03-28 13:06:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-03-28 13:06:42,037 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 18 [2018-03-28 13:06:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:42,038 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-03-28 13:06:42,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 13:06:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-03-28 13:06:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 13:06:42,039 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:42,039 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] [2018-03-28 13:06:42,039 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]=== [2018-03-28 13:06:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash -677534517, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:42,048 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:42,075 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:42,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:42,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-03-28 13:06:42,103 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,104 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,105 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-03-28 13:06:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:42,131 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:42,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-28 13:06:42,173 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,174 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-28 13:06:42,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-03-28 13:06:42,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-28 13:06:42,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-03-28 13:06:42,193 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:42,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:42,197 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-28 13:06:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:42,221 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:42,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 11 [2018-03-28 13:06:42,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 13:06:42,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 13:06:42,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-03-28 13:06:42,222 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 12 states. [2018-03-28 13:06:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:42,410 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-03-28 13:06:42,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 13:06:42,411 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-03-28 13:06:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:42,412 INFO L225 Difference]: With dead ends: 61 [2018-03-28 13:06:42,412 INFO L226 Difference]: Without dead ends: 59 [2018-03-28 13:06:42,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-03-28 13:06:42,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-03-28 13:06:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-03-28 13:06:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-03-28 13:06:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-03-28 13:06:42,416 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 28 [2018-03-28 13:06:42,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:42,416 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-03-28 13:06:42,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 13:06:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-03-28 13:06:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 13:06:42,417 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:42,417 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] [2018-03-28 13:06:42,417 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]=== [2018-03-28 13:06:42,417 INFO L82 PathProgramCache]: Analyzing trace with hash -677534516, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:42,425 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:42,453 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:42,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:42,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:42,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,482 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-03-28 13:06:42,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-03-28 13:06:42,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-03-28 13:06:42,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-03-28 13:06:42,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-03-28 13:06:42,549 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,555 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-03-28 13:06:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:42,843 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:42,952 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 13:06:42,952 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:42,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-03-28 13:06:42,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-28 13:06:42,984 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-03-28 13:06:43,031 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:43,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:06:43,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-03-28 13:06:43,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-03-28 13:06:43,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-03-28 13:06:43,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-03-28 13:06:43,109 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:43,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:43,132 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-03-28 13:06:43,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-28 13:06:43,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 13:06:43,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-28 13:06:43,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 13:06:43,204 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,205 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:43,208 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-03-28 13:06:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:43,242 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:43,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 13 [2018-03-28 13:06:43,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-28 13:06:43,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-28 13:06:43,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-03-28 13:06:43,243 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 14 states. [2018-03-28 13:06:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:43,556 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-03-28 13:06:43,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 13:06:43,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-03-28 13:06:43,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:43,558 INFO L225 Difference]: With dead ends: 55 [2018-03-28 13:06:43,558 INFO L226 Difference]: Without dead ends: 54 [2018-03-28 13:06:43,558 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2018-03-28 13:06:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-03-28 13:06:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-03-28 13:06:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-03-28 13:06:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-03-28 13:06:43,565 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 28 [2018-03-28 13:06:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:43,565 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-03-28 13:06:43,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-28 13:06:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-03-28 13:06:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-28 13:06:43,566 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:43,566 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] [2018-03-28 13:06:43,566 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]=== [2018-03-28 13:06:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash 471266429, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:43,576 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:43,614 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:43,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:43,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,850 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-03-28 13:06:43,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:43,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:43,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:43,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-28 13:06:43,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:06:43,933 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:43,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:43,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:43,958 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-03-28 13:06:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:44,025 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:44,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-03-28 13:06:44,103 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-03-28 13:06:44,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:44,115 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,116 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,121 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,121 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-03-28 13:06:44,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-28 13:06:44,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-03-28 13:06:44,165 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:44,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:44,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-28 13:06:44,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-03-28 13:06:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:44,311 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:44,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 16 [2018-03-28 13:06:44,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-28 13:06:44,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-28 13:06:44,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-03-28 13:06:44,312 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 17 states. [2018-03-28 13:06:44,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:44,548 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-03-28 13:06:44,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 13:06:44,549 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2018-03-28 13:06:44,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:44,549 INFO L225 Difference]: With dead ends: 57 [2018-03-28 13:06:44,549 INFO L226 Difference]: Without dead ends: 56 [2018-03-28 13:06:44,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-03-28 13:06:44,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-03-28 13:06:44,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-03-28 13:06:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-03-28 13:06:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-03-28 13:06:44,554 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 29 [2018-03-28 13:06:44,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:44,554 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-03-28 13:06:44,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-28 13:06:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-03-28 13:06:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-28 13:06:44,555 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:44,555 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] [2018-03-28 13:06:44,555 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]=== [2018-03-28 13:06:44,555 INFO L82 PathProgramCache]: Analyzing trace with hash 471266430, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:44,562 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:44,588 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:44,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:44,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,622 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-03-28 13:06:44,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:44,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:44,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,645 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:44,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:44,655 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,657 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:44,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:38, output treesize:27 [2018-03-28 13:06:44,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:06:44,714 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:44,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:44,715 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-28 13:06:44,729 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:44,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:06:44,730 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,734 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,740 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:48, output treesize:9 [2018-03-28 13:06:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:44,783 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:44,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2018-03-28 13:06:44,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2018-03-28 13:06:44,943 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-28 13:06:44,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:44,976 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:44,980 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-28 13:06:45,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:45,011 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,021 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,029 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:63, output treesize:7 [2018-03-28 13:06:45,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-03-28 13:06:45,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:45,154 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-03-28 13:06:45,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:45,162 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-03-28 13:06:45,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:45,171 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,177 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:45,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-03-28 13:06:45,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-28 13:06:45,229 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,232 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-03-28 13:06:45,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-28 13:06:45,235 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,238 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-28 13:06:45,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-28 13:06:45,241 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,245 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-28 13:06:45,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:45,281 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,285 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-28 13:06:45,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:45,288 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,292 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-28 13:06:45,320 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:73, output treesize:44 [2018-03-28 13:06:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:45,428 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:45,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2018-03-28 13:06:45,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-28 13:06:45,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-28 13:06:45,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-03-28 13:06:45,430 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 21 states. [2018-03-28 13:06:45,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:45,644 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-03-28 13:06:45,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 13:06:45,644 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 29 [2018-03-28 13:06:45,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:45,645 INFO L225 Difference]: With dead ends: 53 [2018-03-28 13:06:45,645 INFO L226 Difference]: Without dead ends: 51 [2018-03-28 13:06:45,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2018-03-28 13:06:45,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-03-28 13:06:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-03-28 13:06:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-03-28 13:06:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-03-28 13:06:45,649 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 29 [2018-03-28 13:06:45,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:45,649 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-03-28 13:06:45,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-28 13:06:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-03-28 13:06:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-28 13:06:45,650 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:45,650 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] [2018-03-28 13:06:45,650 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]=== [2018-03-28 13:06:45,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1772687874, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:45,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:45,684 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:45,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:45,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:45,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,710 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-03-28 13:06:45,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 13:06:45,722 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:45,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:06:45,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,727 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,730 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,730 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-03-28 13:06:45,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:06:45,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:06:45,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-03-28 13:06:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:45,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:45,806 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 13:06:45,806 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,807 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-03-28 13:06:45,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-28 13:06:45,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-03-28 13:06:45,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:06:45,841 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-03-28 13:06:45,847 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:45,854 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:45,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:06:45,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-28 13:06:45,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 13:06:45,876 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,877 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-03-28 13:06:45,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-28 13:06:45,885 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-03-28 13:06:45,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-03-28 13:06:45,926 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:45,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-03-28 13:06:45,942 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:45,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2018-03-28 13:06:45,948 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:45,960 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:06:45,977 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:06:45,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:45,995 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:20, output treesize:25 [2018-03-28 13:06:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:46,025 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:46,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2018-03-28 13:06:46,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-28 13:06:46,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-28 13:06:46,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-03-28 13:06:46,026 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 14 states. [2018-03-28 13:06:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:46,146 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-03-28 13:06:46,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 13:06:46,146 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-03-28 13:06:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:46,146 INFO L225 Difference]: With dead ends: 51 [2018-03-28 13:06:46,147 INFO L226 Difference]: Without dead ends: 50 [2018-03-28 13:06:46,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-03-28 13:06:46,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-03-28 13:06:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-03-28 13:06:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-03-28 13:06:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-03-28 13:06:46,151 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 33 [2018-03-28 13:06:46,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:46,151 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-03-28 13:06:46,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-28 13:06:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-03-28 13:06:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-03-28 13:06:46,152 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:46,152 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] [2018-03-28 13:06:46,152 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]=== [2018-03-28 13:06:46,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1792327775, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:46,163 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:46,194 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:46,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:46,211 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,217 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 13:06:46,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:46,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:46,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,232 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,239 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-28 13:06:46,252 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:46,253 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:46,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-28 13:06:46,253 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,260 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-28 13:06:46,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-03-28 13:06:46,294 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:46,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-03-28 13:06:46,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,309 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-28 13:06:46,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-28 13:06:46,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2018-03-28 13:06:46,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-03-28 13:06:46,407 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:46,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 13:06:46,408 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:06:46,413 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-28 13:06:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:46,430 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:46,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-28 13:06:46,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,455 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-28 13:06:46,522 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,522 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-03-28 13:06:46,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-03-28 13:06:46,599 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:46,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 10 [2018-03-28 13:06:46,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-03-28 13:06:46,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-03-28 13:06:46,645 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:46,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-03-28 13:06:46,646 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-28 13:06:46,648 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:46,649 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:46,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 31 [2018-03-28 13:06:46,656 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:46,667 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:46,671 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:46,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-28 13:06:46,681 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-03-28 13:06:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:46,757 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:46,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 24 [2018-03-28 13:06:46,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-03-28 13:06:46,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-03-28 13:06:46,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2018-03-28 13:06:46,758 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 25 states. [2018-03-28 13:06:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:47,429 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-03-28 13:06:47,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-28 13:06:47,430 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2018-03-28 13:06:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:47,433 INFO L225 Difference]: With dead ends: 52 [2018-03-28 13:06:47,434 INFO L226 Difference]: Without dead ends: 51 [2018-03-28 13:06:47,434 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2018-03-28 13:06:47,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-03-28 13:06:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-03-28 13:06:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-03-28 13:06:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-03-28 13:06:47,438 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 37 [2018-03-28 13:06:47,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:47,439 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-03-28 13:06:47,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-03-28 13:06:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-03-28 13:06:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 13:06:47,440 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:47,440 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:47,441 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]=== [2018-03-28 13:06:47,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1434187494, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:47,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:47,478 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:47,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:06:47,488 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,494 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 13:06:47,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:47,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:47,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-28 13:06:47,527 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:47,528 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:47,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-28 13:06:47,529 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,534 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-28 13:06:47,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-28 13:06:47,557 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:47,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-03-28 13:06:47,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:06:47,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:06:47,581 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,592 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-03-28 13:06:47,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-03-28 13:06:47,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 13:06:47,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,635 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-03-28 13:06:47,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2018-03-28 13:06:47,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-03-28 13:06:47,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,716 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-03-28 13:06:47,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2018-03-28 13:06:47,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2018-03-28 13:06:47,776 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-03-28 13:06:47,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2018-03-28 13:06:47,792 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:47,799 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-03-28 13:06:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:48,025 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:48,638 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:48,638 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-03-28 13:06:48,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 95 [2018-03-28 13:06:48,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-03-28 13:06:48,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-03-28 13:06:49,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-03-28 13:06:49,035 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:49,154 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:49,155 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:49,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 72 [2018-03-28 13:06:49,156 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,272 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:49,274 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:49,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 89 [2018-03-28 13:06:49,284 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:49,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2018-03-28 13:06:49,395 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-03-28 13:06:49,497 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-03-28 13:06:49,643 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:49,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-28 13:06:49,810 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-03-28 13:06:49,907 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:49,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-03-28 13:06:49,983 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:50,030 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,032 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-03-28 13:06:50,041 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:50,102 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:50,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 111 [2018-03-28 13:06:50,144 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,147 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 88 [2018-03-28 13:06:50,159 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:50,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2018-03-28 13:06:50,603 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:50,722 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,724 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:50,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 81 [2018-03-28 13:06:50,734 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:50,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-03-28 13:06:50,929 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:50,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 64 [2018-03-28 13:06:50,959 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:50,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-03-28 13:06:50,988 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,044 INFO L267 ElimStorePlain]: Start of recursive call 15: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 73 [2018-03-28 13:06:51,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-28 13:06:51,054 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 53 [2018-03-28 13:06:51,073 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,090 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,091 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2018-03-28 13:06:51,092 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,106 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-03-28 13:06:51,128 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,129 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-03-28 13:06:51,138 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:51,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-03-28 13:06:51,202 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-03-28 13:06:51,296 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2018-03-28 13:06:51,348 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-03-28 13:06:51,496 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-28 13:06:51,564 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-03-28 13:06:51,593 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,616 INFO L267 ElimStorePlain]: Start of recursive call 26: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 92 [2018-03-28 13:06:51,646 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,646 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,648 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,648 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 71 [2018-03-28 13:06:51,656 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-03-28 13:06:51,755 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,842 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,843 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,845 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,845 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2018-03-28 13:06:51,850 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:51,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2018-03-28 13:06:51,909 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:51,956 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,957 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:51,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2018-03-28 13:06:51,958 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2018-03-28 13:06:52,012 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:52,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-03-28 13:06:52,065 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2018-03-28 13:06:52,126 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,148 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,149 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-03-28 13:06:52,150 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,238 INFO L267 ElimStorePlain]: Start of recursive call 34: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:52,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-03-28 13:06:52,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-03-28 13:06:52,271 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:52,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2018-03-28 13:06:52,420 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,670 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,672 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-03-28 13:06:52,680 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:52,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-03-28 13:06:52,808 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-03-28 13:06:52,847 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,870 INFO L267 ElimStorePlain]: Start of recursive call 44: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:52,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 73 [2018-03-28 13:06:52,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-28 13:06:52,879 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,910 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,911 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2018-03-28 13:06:52,912 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-03-28 13:06:52,932 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:52,947 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:52,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 105 [2018-03-28 13:06:52,968 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,969 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,970 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,970 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:52,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 67 [2018-03-28 13:06:52,975 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:53,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-28 13:06:53,069 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,116 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,117 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2018-03-28 13:06:53,118 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2018-03-28 13:06:53,175 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:53,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-03-28 13:06:53,219 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-03-28 13:06:53,375 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,421 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,422 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2018-03-28 13:06:53,423 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,447 INFO L267 ElimStorePlain]: Start of recursive call 54: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:53,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 92 [2018-03-28 13:06:53,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2018-03-28 13:06:53,469 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2018-03-28 13:06:53,548 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,633 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,634 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-03-28 13:06:53,635 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,710 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,710 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,711 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,712 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 71 [2018-03-28 13:06:53,717 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:53,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 62 [2018-03-28 13:06:53,793 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-03-28 13:06:53,861 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:53,926 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,927 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,928 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,928 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:53,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 69 [2018-03-28 13:06:53,933 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:53,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2018-03-28 13:06:53,986 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-03-28 13:06:54,041 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,078 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,084 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,088 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,088 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2018-03-28 13:06:54,093 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:54,139 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,140 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-03-28 13:06:54,141 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,181 INFO L267 ElimStorePlain]: Start of recursive call 62: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:54,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-03-28 13:06:54,201 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,203 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:54,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-03-28 13:06:54,213 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:54,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2018-03-28 13:06:54,272 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-03-28 13:06:54,335 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-03-28 13:06:54,414 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:54,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2018-03-28 13:06:54,523 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2018-03-28 13:06:54,905 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:54,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-03-28 13:06:54,961 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,021 INFO L267 ElimStorePlain]: Start of recursive call 74: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:55,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 96 [2018-03-28 13:06:55,053 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,059 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 79 [2018-03-28 13:06:55,102 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:55,250 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,250 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2018-03-28 13:06:55,251 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2018-03-28 13:06:55,360 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2018-03-28 13:06:55,460 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:55,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-03-28 13:06:55,541 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-03-28 13:06:55,652 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-03-28 13:06:55,703 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,740 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,742 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:55,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 66 [2018-03-28 13:06:55,750 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:55,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-03-28 13:06:55,798 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:55,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-03-28 13:06:55,821 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-03-28 13:06:55,823 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,842 INFO L267 ElimStorePlain]: Start of recursive call 82: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:55,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 96 [2018-03-28 13:06:55,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2018-03-28 13:06:55,865 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:55,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2018-03-28 13:06:55,949 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2018-03-28 13:06:56,036 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:56,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59 [2018-03-28 13:06:56,114 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-03-28 13:06:56,193 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,255 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,258 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 66 [2018-03-28 13:06:56,267 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 3 xjuncts. [2018-03-28 13:06:56,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-03-28 13:06:56,349 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,372 INFO L267 ElimStorePlain]: Start of recursive call 94: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:56,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 105 [2018-03-28 13:06:56,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 74 [2018-03-28 13:06:56,397 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-03-28 13:06:56,493 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-28 13:06:56,567 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,638 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,638 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,639 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,640 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 71 [2018-03-28 13:06:56,645 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:56,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2018-03-28 13:06:56,729 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-03-28 13:06:56,815 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:56,901 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,902 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,903 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,903 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 62 [2018-03-28 13:06:56,908 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:56,957 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,978 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:56,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 51 [2018-03-28 13:06:56,980 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:57,024 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:57,025 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:06:57,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2018-03-28 13:06:57,026 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:57,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2018-03-28 13:06:57,156 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:57,284 INFO L267 ElimStorePlain]: Start of recursive call 102: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:06:57,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 75 [2018-03-28 13:06:57,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 62 [2018-03-28 13:06:57,298 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:57,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2018-03-28 13:06:57,341 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:57,369 INFO L267 ElimStorePlain]: Start of recursive call 113: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:57,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 75 [2018-03-28 13:06:57,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2018-03-28 13:06:57,404 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 2 xjuncts. [2018-03-28 13:06:57,426 INFO L267 ElimStorePlain]: Start of recursive call 116: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:57,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-03-28 13:06:57,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-03-28 13:06:57,583 INFO L202 ElimStorePlain]: Needed 117 recursive calls to eliminate 1 variables, input treesize:117, output treesize:233 [2018-03-28 13:06:57,994 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 118 DAG size of output 83 [2018-03-28 13:06:57,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-03-28 13:06:57,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-03-28 13:06:57,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-03-28 13:06:58,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 13:06:58,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,009 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-03-28 13:06:58,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-03-28 13:06:58,013 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,015 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:58,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:06:58,077 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:461, output treesize:7 [2018-03-28 13:06:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:58,298 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:06:58,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22, 20] imperfect sequences [] total 39 [2018-03-28 13:06:58,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-28 13:06:58,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-28 13:06:58,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2018-03-28 13:06:58,299 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 39 states. [2018-03-28 13:06:59,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:06:59,296 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2018-03-28 13:06:59,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-03-28 13:06:59,297 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 40 [2018-03-28 13:06:59,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:06:59,298 INFO L225 Difference]: With dead ends: 58 [2018-03-28 13:06:59,298 INFO L226 Difference]: Without dead ends: 47 [2018-03-28 13:06:59,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=411, Invalid=2669, Unknown=0, NotChecked=0, Total=3080 [2018-03-28 13:06:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-03-28 13:06:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-03-28 13:06:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-03-28 13:06:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 46 transitions. [2018-03-28 13:06:59,303 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 46 transitions. Word has length 40 [2018-03-28 13:06:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:06:59,303 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 46 transitions. [2018-03-28 13:06:59,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-28 13:06:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2018-03-28 13:06:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-03-28 13:06:59,305 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:06:59,305 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:06:59,305 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]=== [2018-03-28 13:06:59,305 INFO L82 PathProgramCache]: Analyzing trace with hash 308358862, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:06:59,315 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:06:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:06:59,345 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:06:59,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:06:59,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:06:59,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,486 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-03-28 13:06:59,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-03-28 13:06:59,595 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:59,597 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:59,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 58 [2018-03-28 13:06:59,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,628 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:56 [2018-03-28 13:06:59,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2018-03-28 13:06:59,747 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:06:59,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2018-03-28 13:06:59,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,753 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:06:59,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:37 [2018-03-28 13:06:59,917 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~mem6.base| Int) (|main_#t~mem7.base| Int) (|main_~#data~0.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_~#data~0.base| 1))) (let ((.cse1 (store .cse0 |main_#t~mem6.base| 1))) (and (= 0 (select .cse0 |main_#t~mem6.base|)) (= (store (store (store (store .cse1 |main_#t~mem7.base| 1) |main_#t~mem6.base| 0) |main_#t~mem7.base| 0) |main_~#data~0.base| 0) |c_#valid|) (= 0 (select .cse1 |main_#t~mem7.base|)) (= (select |c_old(#valid)| |main_~#data~0.base|) 0))))) is different from true [2018-03-28 13:06:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:06:59,926 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:06:59,991 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store |c_#valid| |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:06:59,994 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:06:59,997 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:07:00,001 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:07:00,005 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.lo.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:07:00,008 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-03-28 13:07:00,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-03-28 13:07:00,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2018-03-28 13:07:00,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-03-28 13:07:00,131 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:00,133 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:00,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:00,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 13:07:00,141 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:49, output treesize:37 [2018-03-28 13:07:00,184 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-03-28 13:07:00,217 INFO L168 Benchmark]: Toolchain (without parser) took 22460.92 ms. Allocated memory was 305.7 MB in the beginning and 667.9 MB in the end (delta: 362.3 MB). Free memory was 242.5 MB in the beginning and 529.9 MB in the end (delta: -287.4 MB). Peak memory consumption was 74.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:00,218 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:07:00,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.83 ms. Allocated memory is still 305.7 MB. Free memory was 242.5 MB in the beginning and 217.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:00,218 INFO L168 Benchmark]: Boogie Preprocessor took 55.67 ms. Allocated memory is still 305.7 MB. Free memory was 217.4 MB in the beginning and 215.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:00,218 INFO L168 Benchmark]: RCFGBuilder took 517.51 ms. Allocated memory was 305.7 MB in the beginning and 468.2 MB in the end (delta: 162.5 MB). Free memory was 214.4 MB in the beginning and 403.2 MB in the end (delta: -188.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:00,219 INFO L168 Benchmark]: TraceAbstraction took 21409.47 ms. Allocated memory was 468.2 MB in the beginning and 667.9 MB in the end (delta: 199.8 MB). Free memory was 403.2 MB in the beginning and 529.9 MB in the end (delta: -126.7 MB). Peak memory consumption was 73.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:00,220 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 471.83 ms. Allocated memory is still 305.7 MB. Free memory was 242.5 MB in the beginning and 217.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.67 ms. Allocated memory is still 305.7 MB. Free memory was 217.4 MB in the beginning and 215.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 517.51 ms. Allocated memory was 305.7 MB in the beginning and 468.2 MB in the end (delta: 162.5 MB). Free memory was 214.4 MB in the beginning and 403.2 MB in the end (delta: -188.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21409.47 ms. Allocated memory was 468.2 MB in the beginning and 667.9 MB in the end (delta: 199.8 MB). Free memory was 403.2 MB in the beginning and 529.9 MB in the end (delta: -126.7 MB). Peak memory consumption was 73.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-07-00-227.csv Received shutdown request...