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/list-ext_flag_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 22:06:53,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 22:06:53,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 22:06:53,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 22:06:53,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 22:06:53,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 22:06:53,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 22:06:53,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 22:06:53,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 22:06:53,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 22:06:53,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 22:06:53,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 22:06:53,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 22:06:53,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 22:06:53,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 22:06:53,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 22:06:53,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 22:06:53,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 22:06:53,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 22:06:53,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 22:06:53,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 22:06:53,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 22:06:53,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 22:06:53,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 22:06:53,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 22:06:53,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 22:06:53,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 22:06:53,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 22:06:53,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 22:06:53,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 22:06:53,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 22:06:53,945 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 [2018-04-11 22:06:53,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 22:06:53,970 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 22:06:53,970 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 22:06:53,970 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 22:06:53,971 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 22:06:53,971 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 22:06:53,972 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 22:06:53,972 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 22:06:53,972 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 22:06:53,972 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 22:06:53,972 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 22:06:53,973 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 22:06:53,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 22:06:53,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 22:06:53,973 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 22:06:53,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 22:06:53,974 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 22:06:53,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 22:06:53,974 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 22:06:53,974 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 22:06:53,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 22:06:53,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 22:06:53,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 22:06:53,975 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 22:06:53,975 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 22:06:53,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 22:06:53,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 22:06:53,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 22:06:53,976 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 22:06:53,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 22:06:53,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 22:06:53,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 22:06:53,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:06:53,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 22:06:53,978 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 22:06:53,978 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 22:06:53,978 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 22:06:53,979 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 22:06:54,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 22:06:54,032 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 22:06:54,036 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 22:06:54,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 22:06:54,038 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 22:06:54,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,386 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG59c1723b9 [2018-04-11 22:06:54,565 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 22:06:54,565 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 22:06:54,566 INFO L168 CDTParser]: Scanning list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,576 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 22:06:54,576 INFO L215 ultiparseSymbolTable]: [2018-04-11 22:06:54,576 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 22:06:54,576 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit ('exit') in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,576 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__time_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____suseconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__caddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__List in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__mode_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____rlim64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_mutex_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_short in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fd_set in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____rlim_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____time_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____timer_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blksize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____caddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_char in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____off64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ssize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_mutexattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____qaddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsfilcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____dev_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsblkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____id_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_long in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_char in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__blkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__off_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____pthread_list_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_short in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsblkcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__clock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__gid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ulong in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____intptr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_barrier_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____mode_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__blksize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_attr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__lldiv_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____socklen_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ino_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__uid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_cond_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__size_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_once_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__div_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____daddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__clockid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____clockid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_spinlock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____sigset_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fd_mask in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__suseconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__wchar_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____useconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__uint in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__loff_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__nlink_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ushort in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_long in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____gid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fd_mask in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____pid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____sig_atomic_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____loff_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_condattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__daddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____WAIT_STATUS in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____clock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__register_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__sigset_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__timer_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_barrierattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____nlink_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsfilcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ino_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ssize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____off_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____swblk_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsfilcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_rwlockattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blkcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ldiv_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ino64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsblkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_rwlock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__id_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_int in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__dev_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:54,610 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG59c1723b9 [2018-04-11 22:06:54,615 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 22:06:54,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 22:06:54,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 22:06:54,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 22:06:54,625 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 22:06:54,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:54,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f07a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54, skipping insertion in model container [2018-04-11 22:06:54,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:54,643 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:06:54,676 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:06:54,864 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:06:54,909 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:06:54,917 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 22:06:54,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54 WrapperNode [2018-04-11 22:06:54,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 22:06:54,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 22:06:54,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 22:06:54,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 22:06:54,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:54,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (1/1) ... [2018-04-11 22:06:55,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 22:06:55,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 22:06:55,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 22:06:55,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 22:06:55,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (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 [2018-04-11 22:06:55,159 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 22:06:55,160 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 22:06:55,160 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit [2018-04-11 22:06:55,160 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 22:06:55,160 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 22:06:55,161 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 22:06:55,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 22:06:55,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 22:06:55,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 22:06:55,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 22:06:55,162 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 22:06:55,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 22:06:55,164 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 22:06:55,165 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 22:06:55,166 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 22:06:55,167 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 22:06:55,168 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 22:06:55,169 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 22:06:55,170 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 22:06:55,171 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 22:06:55,172 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 22:06:55,173 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 22:06:55,174 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 22:06:55,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 22:06:55,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 22:06:55,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 22:06:55,175 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 22:06:55,659 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 22:06:55,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:06:55 BoogieIcfgContainer [2018-04-11 22:06:55,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 22:06:55,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 22:06:55,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 22:06:55,663 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 22:06:55,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:06:54" (1/3) ... [2018-04-11 22:06:55,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d80798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:06:55, skipping insertion in model container [2018-04-11 22:06:55,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:06:54" (2/3) ... [2018-04-11 22:06:55,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d80798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:06:55, skipping insertion in model container [2018-04-11 22:06:55,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:06:55" (3/3) ... [2018-04-11 22:06:55,666 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_1_true-valid-memsafety.i [2018-04-11 22:06:55,674 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 22:06:55,681 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 37 error locations. [2018-04-11 22:06:55,721 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 22:06:55,722 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 22:06:55,722 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 22:06:55,722 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 22:06:55,722 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 22:06:55,722 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 22:06:55,722 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 22:06:55,722 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 22:06:55,722 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 22:06:55,723 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 22:06:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-04-11 22:06:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 22:06:55,746 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:55,747 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:55,747 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:55,752 INFO L82 PathProgramCache]: Analyzing trace with hash -2101198879, 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 [2018-04-11 22:06:55,765 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:55,801 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:55,818 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:55,857 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:55,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 22:06:55,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 22:06:55,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 22:06:55,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 22:06:55,872 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-04-11 22:06:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:55,904 INFO L93 Difference]: Finished difference Result 215 states and 234 transitions. [2018-04-11 22:06:55,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 22:06:55,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-04-11 22:06:55,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:55,915 INFO L225 Difference]: With dead ends: 215 [2018-04-11 22:06:55,915 INFO L226 Difference]: Without dead ends: 126 [2018-04-11 22:06:55,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 22:06:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-11 22:06:55,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-04-11 22:06:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-04-11 22:06:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 131 transitions. [2018-04-11 22:06:55,960 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 131 transitions. Word has length 16 [2018-04-11 22:06:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:55,961 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 131 transitions. [2018-04-11 22:06:55,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 22:06:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2018-04-11 22:06:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 22:06:55,962 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:55,962 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:55,962 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:55,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2009281813, 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 [2018-04-11 22:06:55,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:55,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,020 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,069 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:56,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-11 22:06:56,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 22:06:56,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 22:06:56,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 22:06:56,071 INFO L87 Difference]: Start difference. First operand 126 states and 131 transitions. Second operand 5 states. [2018-04-11 22:06:56,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:56,149 INFO L93 Difference]: Finished difference Result 320 states and 334 transitions. [2018-04-11 22:06:56,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 22:06:56,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-11 22:06:56,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:56,152 INFO L225 Difference]: With dead ends: 320 [2018-04-11 22:06:56,152 INFO L226 Difference]: Without dead ends: 208 [2018-04-11 22:06:56,154 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 22:06:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-04-11 22:06:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 129. [2018-04-11 22:06:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-11 22:06:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 134 transitions. [2018-04-11 22:06:56,169 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 134 transitions. Word has length 21 [2018-04-11 22:06:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:56,170 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 134 transitions. [2018-04-11 22:06:56,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 22:06:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2018-04-11 22:06:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 22:06:56,171 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:56,171 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:56,171 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:56,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1277485294, 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 [2018-04-11 22:06:56,184 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:56,206 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:56,229 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 [2018-04-11 22:06:56,231 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:56,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:56,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:06:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,278 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,320 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:56,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 22:06:56,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 22:06:56,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 22:06:56,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 22:06:56,322 INFO L87 Difference]: Start difference. First operand 129 states and 134 transitions. Second operand 5 states. [2018-04-11 22:06:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:56,566 INFO L93 Difference]: Finished difference Result 169 states and 179 transitions. [2018-04-11 22:06:56,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 22:06:56,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-11 22:06:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:56,568 INFO L225 Difference]: With dead ends: 169 [2018-04-11 22:06:56,568 INFO L226 Difference]: Without dead ends: 151 [2018-04-11 22:06:56,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:06:56,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-11 22:06:56,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2018-04-11 22:06:56,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 22:06:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2018-04-11 22:06:56,592 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 23 [2018-04-11 22:06:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:56,592 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2018-04-11 22:06:56,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 22:06:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2018-04-11 22:06:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 22:06:56,593 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:56,593 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:56,593 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:56,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1277485293, 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 [2018-04-11 22:06:56,604 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:56,619 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:56,623 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 [2018-04-11 22:06:56,624 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:56,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:56,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:06:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,669 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:56,780 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:56,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-11 22:06:56,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 22:06:56,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 22:06:56,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 22:06:56,782 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 8 states. [2018-04-11 22:06:57,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:57,076 INFO L93 Difference]: Finished difference Result 197 states and 209 transitions. [2018-04-11 22:06:57,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 22:06:57,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-04-11 22:06:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:57,079 INFO L225 Difference]: With dead ends: 197 [2018-04-11 22:06:57,079 INFO L226 Difference]: Without dead ends: 179 [2018-04-11 22:06:57,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-11 22:06:57,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-04-11 22:06:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2018-04-11 22:06:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-11 22:06:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 173 transitions. [2018-04-11 22:06:57,092 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 173 transitions. Word has length 23 [2018-04-11 22:06:57,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:57,092 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 173 transitions. [2018-04-11 22:06:57,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 22:06:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2018-04-11 22:06:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 22:06:57,094 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:57,094 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] [2018-04-11 22:06:57,094 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:57,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1698496748, 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 [2018-04-11 22:06:57,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:57,141 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:57,196 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|))) is different from true [2018-04-11 22:06:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:57,205 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:57,254 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|))) is different from false [2018-04-11 22:06:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:57,286 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:57,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-04-11 22:06:57,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 22:06:57,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 22:06:57,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2018-04-11 22:06:57,287 INFO L87 Difference]: Start difference. First operand 163 states and 173 transitions. Second operand 11 states. [2018-04-11 22:06:57,302 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|)))) is different from false [2018-04-11 22:06:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:57,605 INFO L93 Difference]: Finished difference Result 252 states and 267 transitions. [2018-04-11 22:06:57,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 22:06:57,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2018-04-11 22:06:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:57,607 INFO L225 Difference]: With dead ends: 252 [2018-04-11 22:06:57,607 INFO L226 Difference]: Without dead ends: 245 [2018-04-11 22:06:57,608 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=131, Unknown=3, NotChecked=78, Total=272 [2018-04-11 22:06:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-04-11 22:06:57,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 208. [2018-04-11 22:06:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-11 22:06:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2018-04-11 22:06:57,623 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 43 [2018-04-11 22:06:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:57,623 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2018-04-11 22:06:57,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 22:06:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2018-04-11 22:06:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 22:06:57,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:57,625 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:57,625 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2072012075, 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 [2018-04-11 22:06:57,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:57,662 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:57,674 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 [2018-04-11 22:06:57,676 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 [2018-04-11 22:06:57,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 22:06:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:57,696 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:57,751 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 12 treesize of output 10 [2018-04-11 22:06:57,755 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 [2018-04-11 22:06:57,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,759 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 12 treesize of output 10 [2018-04-11 22:06:57,761 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-11 22:06:57,761 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,763 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:57,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:06:57,765 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-11 22:06:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:57,798 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:57,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 10 [2018-04-11 22:06:57,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 22:06:57,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 22:06:57,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-11 22:06:57,799 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand 10 states. [2018-04-11 22:06:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:58,147 INFO L93 Difference]: Finished difference Result 455 states and 481 transitions. [2018-04-11 22:06:58,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 22:06:58,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2018-04-11 22:06:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:58,149 INFO L225 Difference]: With dead ends: 455 [2018-04-11 22:06:58,149 INFO L226 Difference]: Without dead ends: 348 [2018-04-11 22:06:58,150 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2018-04-11 22:06:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-04-11 22:06:58,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 201. [2018-04-11 22:06:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-04-11 22:06:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 217 transitions. [2018-04-11 22:06:58,159 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 217 transitions. Word has length 44 [2018-04-11 22:06:58,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:58,160 INFO L459 AbstractCegarLoop]: Abstraction has 201 states and 217 transitions. [2018-04-11 22:06:58,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 22:06:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 217 transitions. [2018-04-11 22:06:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 22:06:58,162 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:58,162 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:58,162 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:58,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1210892357, 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 [2018-04-11 22:06:58,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:58,189 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:58,211 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:58,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:06:58,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-04-11 22:06:58,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 22:06:58,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 22:06:58,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-11 22:06:58,252 INFO L87 Difference]: Start difference. First operand 201 states and 217 transitions. Second operand 9 states. [2018-04-11 22:06:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:58,344 INFO L93 Difference]: Finished difference Result 440 states and 475 transitions. [2018-04-11 22:06:58,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 22:06:58,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-04-11 22:06:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:58,346 INFO L225 Difference]: With dead ends: 440 [2018-04-11 22:06:58,346 INFO L226 Difference]: Without dead ends: 307 [2018-04-11 22:06:58,347 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-04-11 22:06:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-04-11 22:06:58,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 233. [2018-04-11 22:06:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-04-11 22:06:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 257 transitions. [2018-04-11 22:06:58,359 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 257 transitions. Word has length 46 [2018-04-11 22:06:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:58,359 INFO L459 AbstractCegarLoop]: Abstraction has 233 states and 257 transitions. [2018-04-11 22:06:58,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 22:06:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2018-04-11 22:06:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 22:06:58,361 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:58,361 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:58,361 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:58,361 INFO L82 PathProgramCache]: Analyzing trace with hash -843095296, 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 [2018-04-11 22:06:58,367 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:58,387 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:58,420 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 [2018-04-11 22:06:58,422 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 [2018-04-11 22:06:58,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,432 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 [2018-04-11 22:06:58,434 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 [2018-04-11 22:06:58,434 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,436 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:06:58,443 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:28 [2018-04-11 22:06:58,516 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 [2018-04-11 22:06:58,520 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:06:58,521 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 [2018-04-11 22:06:58,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,557 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 [2018-04-11 22:06:58,560 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:06:58,561 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 [2018-04-11 22:06:58,561 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,565 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,573 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:46, output treesize:7 [2018-04-11 22:06:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:58,608 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:58,671 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 13 treesize of output 11 [2018-04-11 22:06:58,674 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 [2018-04-11 22:06:58,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,678 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 13 treesize of output 11 [2018-04-11 22:06:58,680 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 [2018-04-11 22:06:58,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:58,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:06:58,691 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:7 [2018-04-11 22:06:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:58,761 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:58,761 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-11 22:06:58,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 22:06:58,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 22:06:58,762 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 22:06:58,762 INFO L87 Difference]: Start difference. First operand 233 states and 257 transitions. Second operand 13 states. [2018-04-11 22:06:59,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:59,177 INFO L93 Difference]: Finished difference Result 293 states and 316 transitions. [2018-04-11 22:06:59,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 22:06:59,177 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-04-11 22:06:59,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:59,179 INFO L225 Difference]: With dead ends: 293 [2018-04-11 22:06:59,179 INFO L226 Difference]: Without dead ends: 248 [2018-04-11 22:06:59,180 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-04-11 22:06:59,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-11 22:06:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2018-04-11 22:06:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-04-11 22:06:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 239 transitions. [2018-04-11 22:06:59,187 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 239 transitions. Word has length 47 [2018-04-11 22:06:59,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:59,187 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 239 transitions. [2018-04-11 22:06:59,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 22:06:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2018-04-11 22:06:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 22:06:59,189 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:59,189 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:59,189 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 806557752, 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 [2018-04-11 22:06:59,202 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:59,222 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:59,232 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 [2018-04-11 22:06:59,233 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:06:59,248 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 [2018-04-11 22:06:59,255 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 [2018-04-11 22:06:59,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,259 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-11 22:06:59,269 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 [2018-04-11 22:06:59,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 22:06:59,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,273 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,273 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-11 22:06:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:59,283 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:59,310 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:59,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-11 22:06:59,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 22:06:59,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 22:06:59,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:06:59,311 INFO L87 Difference]: Start difference. First operand 216 states and 239 transitions. Second operand 7 states. [2018-04-11 22:06:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:06:59,470 INFO L93 Difference]: Finished difference Result 220 states and 243 transitions. [2018-04-11 22:06:59,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 22:06:59,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-11 22:06:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:06:59,471 INFO L225 Difference]: With dead ends: 220 [2018-04-11 22:06:59,471 INFO L226 Difference]: Without dead ends: 218 [2018-04-11 22:06:59,471 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-11 22:06:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-11 22:06:59,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2018-04-11 22:06:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-11 22:06:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 235 transitions. [2018-04-11 22:06:59,482 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 235 transitions. Word has length 48 [2018-04-11 22:06:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:06:59,482 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 235 transitions. [2018-04-11 22:06:59,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 22:06:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 235 transitions. [2018-04-11 22:06:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 22:06:59,484 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:06:59,484 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:06:59,484 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:06:59,484 INFO L82 PathProgramCache]: Analyzing trace with hash 806557753, 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 [2018-04-11 22:06:59,494 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:06:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:06:59,513 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:06:59,520 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 [2018-04-11 22:06:59,521 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,529 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:06:59,547 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 [2018-04-11 22:06:59,549 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 [2018-04-11 22:06:59,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,562 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 [2018-04-11 22:06:59,568 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 [2018-04-11 22:06:59,568 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,572 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,577 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-11 22:06:59,587 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 [2018-04-11 22:06:59,589 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 [2018-04-11 22:06:59,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,590 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,596 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 [2018-04-11 22:06:59,597 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 [2018-04-11 22:06:59,597 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,599 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:06:59,602 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-11 22:06:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:59,619 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:06:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:06:59,748 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:06:59,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-04-11 22:06:59,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 22:06:59,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 22:06:59,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-11 22:06:59,749 INFO L87 Difference]: Start difference. First operand 214 states and 235 transitions. Second operand 12 states. [2018-04-11 22:07:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:00,030 INFO L93 Difference]: Finished difference Result 219 states and 239 transitions. [2018-04-11 22:07:00,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 22:07:00,031 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-11 22:07:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:00,032 INFO L225 Difference]: With dead ends: 219 [2018-04-11 22:07:00,032 INFO L226 Difference]: Without dead ends: 211 [2018-04-11 22:07:00,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-04-11 22:07:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-04-11 22:07:00,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2018-04-11 22:07:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-11 22:07:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2018-04-11 22:07:00,043 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 48 [2018-04-11 22:07:00,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:00,043 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2018-04-11 22:07:00,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 22:07:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2018-04-11 22:07:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 22:07:00,045 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:00,045 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:00,045 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:00,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1165159186, 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 [2018-04-11 22:07:00,054 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:00,076 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:00,078 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 [2018-04-11 22:07:00,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:07:00,094 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 [2018-04-11 22:07:00,095 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 [2018-04-11 22:07:00,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,102 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 22:07:00,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:00,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:00,114 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 [2018-04-11 22:07:00,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-11 22:07:00,141 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 [2018-04-11 22:07:00,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:00,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,150 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-11 22:07:00,162 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 16 [2018-04-11 22:07:00,163 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-11 22:07:00,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:12 [2018-04-11 22:07:00,199 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 19 treesize of output 20 [2018-04-11 22:07:00,202 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 [2018-04-11 22:07:00,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,209 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,213 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. [2018-04-11 22:07:00,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2018-04-11 22:07:00,250 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 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-11 22:07:00,253 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 [2018-04-11 22:07:00,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,258 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 5 treesize of output 1 [2018-04-11 22:07:00,258 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,263 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2018-04-11 22:07:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:00,281 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:00,468 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 32 treesize of output 26 [2018-04-11 22:07:00,483 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 [2018-04-11 22:07:00,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,490 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 15 [2018-04-11 22:07:00,492 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 [2018-04-11 22:07:00,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,495 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,508 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 17 treesize of output 21 [2018-04-11 22:07:00,511 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:00,511 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:00,512 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 13 treesize of output 3 [2018-04-11 22:07:00,512 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,520 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 16 treesize of output 10 [2018-04-11 22:07:00,521 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,526 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 10 treesize of output 3 [2018-04-11 22:07:00,527 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:00,530 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:00,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:00,543 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 3 xjuncts. [2018-04-11 22:07:00,544 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:39, output treesize:27 [2018-04-11 22:07:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:00,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:00,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-11 22:07:00,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 22:07:00,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 22:07:00,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2018-04-11 22:07:00,684 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 26 states. [2018-04-11 22:07:02,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:02,644 INFO L93 Difference]: Finished difference Result 396 states and 417 transitions. [2018-04-11 22:07:02,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 22:07:02,644 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 68 [2018-04-11 22:07:02,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:02,645 INFO L225 Difference]: With dead ends: 396 [2018-04-11 22:07:02,645 INFO L226 Difference]: Without dead ends: 358 [2018-04-11 22:07:02,647 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=749, Invalid=3033, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 22:07:02,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-11 22:07:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 206. [2018-04-11 22:07:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-11 22:07:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 217 transitions. [2018-04-11 22:07:02,660 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 217 transitions. Word has length 68 [2018-04-11 22:07:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:02,661 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 217 transitions. [2018-04-11 22:07:02,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 22:07:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 217 transitions. [2018-04-11 22:07:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 22:07:02,662 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:02,662 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:02,662 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1568043016, 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 [2018-04-11 22:07:02,672 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:02,706 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:02,713 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 [2018-04-11 22:07:02,713 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:02,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:02,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:02,772 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 17 treesize of output 21 [2018-04-11 22:07:02,773 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,782 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-11 22:07:02,810 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 13 treesize of output 10 [2018-04-11 22:07:02,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:02,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2018-04-11 22:07:02,900 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-04-11 22:07:02,903 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 [2018-04-11 22:07:02,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,915 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. [2018-04-11 22:07:02,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:51 [2018-04-11 22:07:02,972 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-11 22:07:02,974 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:02,975 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 25 treesize of output 17 [2018-04-11 22:07:02,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,980 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 7 treesize of output 1 [2018-04-11 22:07:02,980 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:02,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:02,990 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:63, output treesize:15 [2018-04-11 22:07:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:03,036 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:05,024 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 41 treesize of output 33 [2018-04-11 22:07:05,046 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 11 treesize of output 10 [2018-04-11 22:07:05,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:05,063 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 22 treesize of output 26 [2018-04-11 22:07:05,070 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 18 treesize of output 18 [2018-04-11 22:07:05,070 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:05,085 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 21 treesize of output 13 [2018-04-11 22:07:05,085 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:05,094 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 13 treesize of output 9 [2018-04-11 22:07:05,095 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:05,102 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:05,104 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 [2018-04-11 22:07:05,113 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 8 treesize of output 1 [2018-04-11 22:07:05,114 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:05,116 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:05,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-11 22:07:05,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-11 22:07:05,178 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:48, output treesize:156 [2018-04-11 22:07:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:05,839 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:05,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-11 22:07:05,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 22:07:05,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 22:07:05,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=741, Unknown=1, NotChecked=0, Total=870 [2018-04-11 22:07:05,840 INFO L87 Difference]: Start difference. First operand 206 states and 217 transitions. Second operand 30 states. [2018-04-11 22:07:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:07,490 INFO L93 Difference]: Finished difference Result 332 states and 349 transitions. [2018-04-11 22:07:07,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 22:07:07,491 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-04-11 22:07:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:07,492 INFO L225 Difference]: With dead ends: 332 [2018-04-11 22:07:07,492 INFO L226 Difference]: Without dead ends: 331 [2018-04-11 22:07:07,493 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=528, Invalid=2227, Unknown=1, NotChecked=0, Total=2756 [2018-04-11 22:07:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-11 22:07:07,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 234. [2018-04-11 22:07:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-04-11 22:07:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 247 transitions. [2018-04-11 22:07:07,502 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 247 transitions. Word has length 69 [2018-04-11 22:07:07,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:07,502 INFO L459 AbstractCegarLoop]: Abstraction has 234 states and 247 transitions. [2018-04-11 22:07:07,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 22:07:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 247 transitions. [2018-04-11 22:07:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 22:07:07,503 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:07,503 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:07,503 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:07,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1568043015, 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 [2018-04-11 22:07:07,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:07,541 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:07,556 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 [2018-04-11 22:07:07,556 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,560 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:07,588 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 [2018-04-11 22:07:07,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:07,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:07,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 22:07:07,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,606 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-11 22:07:07,634 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 [2018-04-11 22:07:07,636 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 [2018-04-11 22:07:07,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,649 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 [2018-04-11 22:07:07,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:07,651 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,653 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,662 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:43 [2018-04-11 22:07:07,747 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 35 treesize of output 36 [2018-04-11 22:07:07,750 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 [2018-04-11 22:07:07,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,780 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-11 22:07:07,783 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 [2018-04-11 22:07:07,784 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,792 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:07,804 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:70 [2018-04-11 22:07:07,895 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-04-11 22:07:07,900 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 7 treesize of output 1 [2018-04-11 22:07:07,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,911 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:07,912 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 38 treesize of output 26 [2018-04-11 22:07:07,912 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,938 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 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-11 22:07:07,942 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:07,943 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 [2018-04-11 22:07:07,943 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,963 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 7 treesize of output 1 [2018-04-11 22:07:07,963 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,964 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:07,972 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:91, output treesize:9 [2018-04-11 22:07:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:08,035 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:08,803 WARN L148 SmtUtils]: Spent 467ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-11 22:07:10,019 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 86 treesize of output 77 [2018-04-11 22:07:10,041 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 11 treesize of output 10 [2018-04-11 22:07:10,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,098 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 [2018-04-11 22:07:10,100 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 8 treesize of output 1 [2018-04-11 22:07:10,100 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,104 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,111 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 60 treesize of output 64 [2018-04-11 22:07:10,119 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 56 treesize of output 56 [2018-04-11 22:07:10,120 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:10,139 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 51 [2018-04-11 22:07:10,140 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,159 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 51 treesize of output 47 [2018-04-11 22:07:10,159 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:10,176 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:10,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-11 22:07:10,315 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 46 treesize of output 37 [2018-04-11 22:07:10,336 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 11 treesize of output 10 [2018-04-11 22:07:10,336 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,348 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 20 treesize of output 24 [2018-04-11 22:07:10,350 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 19 treesize of output 15 [2018-04-11 22:07:10,351 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,358 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 12 treesize of output 3 [2018-04-11 22:07:10,359 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,368 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 16 treesize of output 16 [2018-04-11 22:07:10,369 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:10,372 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:10,380 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-11 22:07:10,510 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 100 treesize of output 71 [2018-04-11 22:07:10,535 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 11 treesize of output 10 [2018-04-11 22:07:10,535 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,564 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 [2018-04-11 22:07:10,566 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 8 treesize of output 1 [2018-04-11 22:07:10,566 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,570 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,577 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 37 treesize of output 39 [2018-04-11 22:07:10,580 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 34 treesize of output 26 [2018-04-11 22:07:10,580 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,593 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 26 treesize of output 18 [2018-04-11 22:07:10,594 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,603 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:10,604 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 0 case distinctions, treesize of input 31 treesize of output 22 [2018-04-11 22:07:10,604 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,606 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,617 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:10,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 56 treesize of output 47 [2018-04-11 22:07:10,639 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 11 treesize of output 10 [2018-04-11 22:07:10,640 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,650 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 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-11 22:07:10,651 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 8 treesize of output 1 [2018-04-11 22:07:10,652 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,655 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 [2018-04-11 22:07:10,656 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,657 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,661 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,664 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 60 treesize of output 51 [2018-04-11 22:07:10,684 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 11 treesize of output 10 [2018-04-11 22:07:10,684 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,698 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 24 treesize of output 28 [2018-04-11 22:07:10,700 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:10,701 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 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-11 22:07:10,701 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,704 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,708 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,711 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 58 treesize of output 49 [2018-04-11 22:07:10,730 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 11 treesize of output 10 [2018-04-11 22:07:10,730 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,738 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 10 treesize of output 8 [2018-04-11 22:07:10,740 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 8 treesize of output 1 [2018-04-11 22:07:10,740 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,741 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,747 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,750 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 60 treesize of output 51 [2018-04-11 22:07:10,770 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 11 treesize of output 10 [2018-04-11 22:07:10,771 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,783 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 24 treesize of output 28 [2018-04-11 22:07:10,786 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 23 treesize of output 15 [2018-04-11 22:07:10,786 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,795 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:10,796 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 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-11 22:07:10,796 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,799 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,804 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,806 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 53 treesize of output 44 [2018-04-11 22:07:10,827 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 11 treesize of output 10 [2018-04-11 22:07:10,827 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,842 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 24 treesize of output 28 [2018-04-11 22:07:10,850 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 20 treesize of output 20 [2018-04-11 22:07:10,850 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:10,861 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 23 treesize of output 15 [2018-04-11 22:07:10,862 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,903 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 15 treesize of output 11 [2018-04-11 22:07:10,903 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,908 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:10,917 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:10,921 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 53 treesize of output 44 [2018-04-11 22:07:10,947 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 11 treesize of output 10 [2018-04-11 22:07:10,948 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,962 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 24 treesize of output 28 [2018-04-11 22:07:10,966 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 23 treesize of output 19 [2018-04-11 22:07:10,966 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-11 22:07:10,976 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:10,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-04-11 22:07:10,999 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:11,004 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:11,013 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:11,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 56 treesize of output 47 [2018-04-11 22:07:11,085 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 11 treesize of output 10 [2018-04-11 22:07:11,085 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2018-04-11 22:07:11,098 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 8 treesize of output 1 [2018-04-11 22:07:11,099 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,103 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-11 22:07:11,104 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,105 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,110 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 96 treesize of output 67 [2018-04-11 22:07:11,171 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 11 treesize of output 10 [2018-04-11 22:07:11,172 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,197 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 [2018-04-11 22:07:11,199 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 8 treesize of output 1 [2018-04-11 22:07:11,200 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,203 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,206 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 0 case distinctions, treesize of input 37 treesize of output 34 [2018-04-11 22:07:11,208 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 8 treesize of output 1 [2018-04-11 22:07:11,209 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,214 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 23 treesize of output 15 [2018-04-11 22:07:11,215 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,216 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,227 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:11,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-11 22:07:11,315 INFO L202 ElimStorePlain]: Needed 65 recursive calls to eliminate 7 variables, input treesize:133, output treesize:110 [2018-04-11 22:07:11,465 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 18 treesize of output 16 [2018-04-11 22:07:11,465 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:11,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-11 22:07:11,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:60, output treesize:55 [2018-04-11 22:07:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:11,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:11,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-11 22:07:11,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 22:07:11,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 22:07:11,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-11 22:07:11,746 INFO L87 Difference]: Start difference. First operand 234 states and 247 transitions. Second operand 30 states. [2018-04-11 22:07:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:13,980 INFO L93 Difference]: Finished difference Result 353 states and 371 transitions. [2018-04-11 22:07:13,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 22:07:13,981 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-04-11 22:07:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:13,982 INFO L225 Difference]: With dead ends: 353 [2018-04-11 22:07:13,982 INFO L226 Difference]: Without dead ends: 350 [2018-04-11 22:07:13,983 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=488, Invalid=2374, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 22:07:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-11 22:07:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 235. [2018-04-11 22:07:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-04-11 22:07:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 248 transitions. [2018-04-11 22:07:13,998 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 248 transitions. Word has length 69 [2018-04-11 22:07:13,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:13,999 INFO L459 AbstractCegarLoop]: Abstraction has 235 states and 248 transitions. [2018-04-11 22:07:13,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 22:07:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 248 transitions. [2018-04-11 22:07:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 22:07:14,000 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:14,000 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:14,000 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:14,001 INFO L82 PathProgramCache]: Analyzing trace with hash 544308195, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:14,009 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:14,045 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:14,154 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 [2018-04-11 22:07:14,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:14,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,169 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:43 [2018-04-11 22:07:14,274 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 56 [2018-04-11 22:07:14,284 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 2 case distinctions, treesize of input 39 treesize of output 37 [2018-04-11 22:07:14,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:14,315 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 42 treesize of output 41 [2018-04-11 22:07:14,315 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,329 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:14,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:14,347 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:90 [2018-04-11 22:07:14,490 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 43 treesize of output 39 [2018-04-11 22:07:14,495 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:14,496 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 [2018-04-11 22:07:14,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,547 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 65 [2018-04-11 22:07:14,552 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:14,553 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-04-11 22:07:14,553 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,601 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:14,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-04-11 22:07:14,602 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,654 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 39 treesize of output 32 [2018-04-11 22:07:14,655 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:14,694 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:14,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:14,726 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:108, output treesize:62 [2018-04-11 22:07:14,793 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|) (not (= 0 main_~p~0.base)))) is different from true [2018-04-11 22:07:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 22:07:14,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:15,013 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 40 treesize of output 32 [2018-04-11 22:07:15,028 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 11 treesize of output 10 [2018-04-11 22:07:15,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:15,036 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 [2018-04-11 22:07:15,037 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 8 treesize of output 1 [2018-04-11 22:07:15,037 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:15,040 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:15,045 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 21 treesize of output 25 [2018-04-11 22:07:15,047 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 12 [2018-04-11 22:07:15,145 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:15,154 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 12 treesize of output 3 [2018-04-11 22:07:15,154 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:15,164 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 1 case distinctions, treesize of input 17 treesize of output 12 [2018-04-11 22:07:15,164 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:15,168 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:15,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:07:15,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:07:15,182 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:47, output treesize:47 [2018-04-11 22:07:15,293 WARN L1011 $PredicateComparison]: unable to prove that (and (or (forall ((|v_main_#t~malloc6.base_9| Int)) (or (= 0 |v_main_#t~malloc6.base_9|) (= (store (store |c_#valid| |v_main_#t~malloc6.base_9| 1) c_main_~a~0.base 0) |c_old(#valid)|))) (= c_main_~a~0.base c_main_~p~0.base)) (or (forall ((v_prenex_38 Int)) (or (= |c_old(#valid)| (store (store |c_#valid| v_prenex_38 1) c_main_~a~0.base 0)) (= 0 v_prenex_38))) (= c_main_~a~0.offset c_main_~p~0.offset)) (or (= 0 c_main_~a~0.base) (= (store |c_#valid| c_main_~a~0.base 0) |c_old(#valid)|))) is different from false [2018-04-11 22:07:15,452 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_10| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_10| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc0.base_10|) 0)) (= |v_main_#t~malloc0.base_10| 0))) is different from false [2018-04-11 22:07:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 22:07:15,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:15,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-04-11 22:07:15,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 22:07:15,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 22:07:15,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=751, Unknown=9, NotChecked=174, Total=1056 [2018-04-11 22:07:15,512 INFO L87 Difference]: Start difference. First operand 235 states and 248 transitions. Second operand 33 states. [2018-04-11 22:07:15,539 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_10| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_10| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc0.base_10|) 0)) (= |v_main_#t~malloc0.base_10| 0)))) is different from false [2018-04-11 22:07:16,278 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 89 DAG size of output 86 [2018-04-11 22:07:16,910 WARN L151 SmtUtils]: Spent 203ms on a formula simplification. DAG size of input: 97 DAG size of output 94 [2018-04-11 22:07:17,114 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 85 DAG size of output 53 [2018-04-11 22:07:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:17,748 INFO L93 Difference]: Finished difference Result 313 states and 330 transitions. [2018-04-11 22:07:17,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 22:07:17,748 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 84 [2018-04-11 22:07:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:17,749 INFO L225 Difference]: With dead ends: 313 [2018-04-11 22:07:17,749 INFO L226 Difference]: Without dead ends: 306 [2018-04-11 22:07:17,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=331, Invalid=1630, Unknown=35, NotChecked=356, Total=2352 [2018-04-11 22:07:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-04-11 22:07:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 275. [2018-04-11 22:07:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-04-11 22:07:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 295 transitions. [2018-04-11 22:07:17,764 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 295 transitions. Word has length 84 [2018-04-11 22:07:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:17,764 INFO L459 AbstractCegarLoop]: Abstraction has 275 states and 295 transitions. [2018-04-11 22:07:17,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 22:07:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 295 transitions. [2018-04-11 22:07:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 22:07:17,765 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:17,765 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:17,765 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:17,765 INFO L82 PathProgramCache]: Analyzing trace with hash 651905300, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:17,775 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:17,805 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:17,807 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 [2018-04-11 22:07:17,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:17,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:17,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:17,855 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 [2018-04-11 22:07:17,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,860 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-11 22:07:17,883 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 [2018-04-11 22:07:17,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:17,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,899 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 [2018-04-11 22:07:17,900 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 [2018-04-11 22:07:17,901 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,902 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,910 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:23 [2018-04-11 22:07:17,968 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 14 [2018-04-11 22:07:17,970 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 14 treesize of output 19 [2018-04-11 22:07:17,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:17,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:17,979 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:57 [2018-04-11 22:07:18,001 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 86 [2018-04-11 22:07:18,003 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 22 treesize of output 21 [2018-04-11 22:07:18,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,022 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 72 treesize of output 73 [2018-04-11 22:07:18,023 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 22 treesize of output 21 [2018-04-11 22:07:18,023 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,028 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:18,037 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:101, output treesize:81 [2018-04-11 22:07:18,107 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 72 [2018-04-11 22:07:18,109 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:18,110 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 52 treesize of output 40 [2018-04-11 22:07:18,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,118 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 1 [2018-04-11 22:07:18,118 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,133 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 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-11 22:07:18,135 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:18,136 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 30 treesize of output 22 [2018-04-11 22:07:18,136 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,142 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 7 treesize of output 1 [2018-04-11 22:07:18,142 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,143 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,150 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:102, output treesize:7 [2018-04-11 22:07:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:18,209 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:18,396 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 60 treesize of output 42 [2018-04-11 22:07:18,398 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 22 treesize of output 1 [2018-04-11 22:07:18,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,401 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 60 treesize of output 42 [2018-04-11 22:07:18,403 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2018-04-11 22:07:18,403 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,404 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:18,411 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 2 xjuncts. [2018-04-11 22:07:18,411 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:53 [2018-04-11 22:07:20,174 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 46 treesize of output 37 [2018-04-11 22:07:20,189 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 11 treesize of output 10 [2018-04-11 22:07:20,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,203 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 [2018-04-11 22:07:20,205 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 8 treesize of output 1 [2018-04-11 22:07:20,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,207 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,216 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 20 treesize of output 24 [2018-04-11 22:07:20,218 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 19 treesize of output 15 [2018-04-11 22:07:20,218 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,227 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 [2018-04-11 22:07:20,227 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,233 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 12 treesize of output 3 [2018-04-11 22:07:20,234 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,237 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:20,251 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-11 22:07:20,300 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 46 treesize of output 37 [2018-04-11 22:07:20,318 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 11 treesize of output 10 [2018-04-11 22:07:20,318 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,334 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 [2018-04-11 22:07:20,335 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 8 treesize of output 1 [2018-04-11 22:07:20,336 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,338 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,344 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 20 treesize of output 24 [2018-04-11 22:07:20,353 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 19 treesize of output 15 [2018-04-11 22:07:20,354 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,380 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 12 treesize of output 3 [2018-04-11 22:07:20,381 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,389 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 [2018-04-11 22:07:20,389 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:20,392 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:20,406 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-11 22:07:20,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-11 22:07:20,533 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 6 variables, input treesize:93, output treesize:77 [2018-04-11 22:07:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:21,174 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:21,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2018-04-11 22:07:21,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 22:07:21,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 22:07:21,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1085, Unknown=1, NotChecked=0, Total=1190 [2018-04-11 22:07:21,176 INFO L87 Difference]: Start difference. First operand 275 states and 295 transitions. Second operand 35 states. [2018-04-11 22:07:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:23,091 INFO L93 Difference]: Finished difference Result 381 states and 398 transitions. [2018-04-11 22:07:23,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 22:07:23,092 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 85 [2018-04-11 22:07:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:23,093 INFO L225 Difference]: With dead ends: 381 [2018-04-11 22:07:23,093 INFO L226 Difference]: Without dead ends: 309 [2018-04-11 22:07:23,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=594, Invalid=3437, Unknown=1, NotChecked=0, Total=4032 [2018-04-11 22:07:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-04-11 22:07:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 243. [2018-04-11 22:07:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-04-11 22:07:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 255 transitions. [2018-04-11 22:07:23,106 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 255 transitions. Word has length 85 [2018-04-11 22:07:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:23,107 INFO L459 AbstractCegarLoop]: Abstraction has 243 states and 255 transitions. [2018-04-11 22:07:23,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 22:07:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 255 transitions. [2018-04-11 22:07:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-11 22:07:23,107 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:23,107 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:23,107 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:23,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1816163721, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:23,113 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:23,143 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:23,145 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 [2018-04-11 22:07:23,146 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,151 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,152 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:23,182 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:23,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:23,184 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 17 treesize of output 21 [2018-04-11 22:07:23,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,193 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-11 22:07:23,220 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 [2018-04-11 22:07:23,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:23,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,233 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2018-04-11 22:07:23,289 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-04-11 22:07:23,291 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 [2018-04-11 22:07:23,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,304 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. [2018-04-11 22:07:23,304 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:51 [2018-04-11 22:07:23,363 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-11 22:07:23,365 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 7 treesize of output 1 [2018-04-11 22:07:23,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,372 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:23,373 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 25 treesize of output 17 [2018-04-11 22:07:23,373 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,385 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:60, output treesize:15 [2018-04-11 22:07:23,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:23,414 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 17 treesize of output 21 [2018-04-11 22:07:23,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,422 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. [2018-04-11 22:07:23,422 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-04-11 22:07:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 22:07:23,478 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:23,670 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 44 treesize of output 36 [2018-04-11 22:07:23,704 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 11 treesize of output 10 [2018-04-11 22:07:23,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,718 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 [2018-04-11 22:07:23,719 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 8 treesize of output 1 [2018-04-11 22:07:23,719 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,722 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,727 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 25 treesize of output 29 [2018-04-11 22:07:23,729 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 24 treesize of output 20 [2018-04-11 22:07:23,730 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:23,739 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 12 [2018-04-11 22:07:23,740 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:23,752 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 21 treesize of output 21 [2018-04-11 22:07:23,753 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:23,761 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:23,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-11 22:07:23,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-11 22:07:23,820 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:44, output treesize:144 [2018-04-11 22:07:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 22:07:24,135 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:24,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2018-04-11 22:07:24,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 22:07:24,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 22:07:24,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2018-04-11 22:07:24,136 INFO L87 Difference]: Start difference. First operand 243 states and 255 transitions. Second operand 32 states. [2018-04-11 22:07:25,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:25,473 INFO L93 Difference]: Finished difference Result 300 states and 315 transitions. [2018-04-11 22:07:25,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 22:07:25,474 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 88 [2018-04-11 22:07:25,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:25,475 INFO L225 Difference]: With dead ends: 300 [2018-04-11 22:07:25,475 INFO L226 Difference]: Without dead ends: 299 [2018-04-11 22:07:25,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=532, Invalid=2438, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 22:07:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-04-11 22:07:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 253. [2018-04-11 22:07:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-04-11 22:07:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 266 transitions. [2018-04-11 22:07:25,495 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 266 transitions. Word has length 88 [2018-04-11 22:07:25,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:25,495 INFO L459 AbstractCegarLoop]: Abstraction has 253 states and 266 transitions. [2018-04-11 22:07:25,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 22:07:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 266 transitions. [2018-04-11 22:07:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-11 22:07:25,496 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:25,497 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:25,497 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:25,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1816163720, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:25,505 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:25,538 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:25,540 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 [2018-04-11 22:07:25,540 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,543 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:25,566 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 [2018-04-11 22:07:25,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:25,576 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:25,576 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 [2018-04-11 22:07:25,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-11 22:07:25,608 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 [2018-04-11 22:07:25,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-04-11 22:07:25,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,622 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 [2018-04-11 22:07:25,624 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 [2018-04-11 22:07:25,624 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,625 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,634 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:43 [2018-04-11 22:07:25,687 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-04-11 22:07:25,688 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 [2018-04-11 22:07:25,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,709 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 35 treesize of output 36 [2018-04-11 22:07:25,711 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 [2018-04-11 22:07:25,711 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,715 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:25,725 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:70 [2018-04-11 22:07:25,909 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-04-11 22:07:25,911 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:25,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-11 22:07:25,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,918 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 7 treesize of output 1 [2018-04-11 22:07:25,918 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,935 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 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-11 22:07:25,936 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 7 treesize of output 1 [2018-04-11 22:07:25,937 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,941 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:25,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 22:07:25,942 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,945 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:25,951 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:88, output treesize:9 [2018-04-11 22:07:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:26,029 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:26,435 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 79 treesize of output 71 [2018-04-11 22:07:26,455 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 11 treesize of output 10 [2018-04-11 22:07:26,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,477 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 [2018-04-11 22:07:26,479 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 8 treesize of output 1 [2018-04-11 22:07:26,479 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,484 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,493 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 60 treesize of output 64 [2018-04-11 22:07:26,501 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 56 treesize of output 56 [2018-04-11 22:07:26,502 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:26,516 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 51 [2018-04-11 22:07:26,517 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,530 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 51 treesize of output 47 [2018-04-11 22:07:26,531 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:26,542 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:26,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-11 22:07:26,633 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 133 treesize of output 84 [2018-04-11 22:07:26,659 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 11 treesize of output 10 [2018-04-11 22:07:26,659 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,683 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 [2018-04-11 22:07:26,685 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 8 treesize of output 1 [2018-04-11 22:07:26,685 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,687 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,694 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 46 treesize of output 46 [2018-04-11 22:07:26,696 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:26,697 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 0 case distinctions, treesize of input 38 treesize of output 25 [2018-04-11 22:07:26,697 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,701 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,715 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,718 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 91 treesize of output 62 [2018-04-11 22:07:26,736 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 11 treesize of output 10 [2018-04-11 22:07:26,736 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,741 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 10 treesize of output 8 [2018-04-11 22:07:26,743 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 8 treesize of output 1 [2018-04-11 22:07:26,743 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,744 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,747 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 129 treesize of output 80 [2018-04-11 22:07:26,779 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 11 treesize of output 10 [2018-04-11 22:07:26,780 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,806 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 [2018-04-11 22:07:26,807 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 8 treesize of output 1 [2018-04-11 22:07:26,808 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,810 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,812 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 0 case distinctions, treesize of input 46 treesize of output 41 [2018-04-11 22:07:26,814 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 8 treesize of output 1 [2018-04-11 22:07:26,814 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,820 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 30 treesize of output 18 [2018-04-11 22:07:26,821 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,822 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,831 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,833 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 86 treesize of output 57 [2018-04-11 22:07:26,852 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 11 treesize of output 10 [2018-04-11 22:07:26,852 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,862 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 33 treesize of output 35 [2018-04-11 22:07:26,864 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-11 22:07:26,864 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,872 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 12 treesize of output 3 [2018-04-11 22:07:26,872 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,883 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 27 treesize of output 23 [2018-04-11 22:07:26,884 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:26,889 INFO L267 ElimStorePlain]: Start of recursive call 29: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,896 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,898 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 86 treesize of output 57 [2018-04-11 22:07:26,915 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 11 treesize of output 10 [2018-04-11 22:07:26,915 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,926 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 33 treesize of output 35 [2018-04-11 22:07:26,928 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-11 22:07:26,928 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,944 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 27 treesize of output 23 [2018-04-11 22:07:26,944 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:26,954 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 22 treesize of output 14 [2018-04-11 22:07:26,954 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,959 INFO L267 ElimStorePlain]: Start of recursive call 35: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,966 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:26,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 60 [2018-04-11 22:07:26,987 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 11 treesize of output 10 [2018-04-11 22:07:26,987 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:26,995 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 0 case distinctions, treesize of input 33 treesize of output 30 [2018-04-11 22:07:26,997 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 8 treesize of output 1 [2018-04-11 22:07:26,997 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,001 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 19 treesize of output 11 [2018-04-11 22:07:27,002 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,003 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,005 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 60 [2018-04-11 22:07:27,028 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 11 treesize of output 10 [2018-04-11 22:07:27,028 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33 treesize of output 30 [2018-04-11 22:07:27,038 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 8 treesize of output 1 [2018-04-11 22:07:27,038 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,042 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 19 treesize of output 11 [2018-04-11 22:07:27,043 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,043 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,045 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,048 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 93 treesize of output 64 [2018-04-11 22:07:27,069 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 11 treesize of output 10 [2018-04-11 22:07:27,070 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,081 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 33 treesize of output 35 [2018-04-11 22:07:27,083 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 30 treesize of output 22 [2018-04-11 22:07:27,083 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,093 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:27,094 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 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-11 22:07:27,095 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,097 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,099 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,102 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 93 treesize of output 64 [2018-04-11 22:07:27,123 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 11 treesize of output 10 [2018-04-11 22:07:27,123 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,134 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 33 treesize of output 35 [2018-04-11 22:07:27,136 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 30 treesize of output 22 [2018-04-11 22:07:27,136 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,145 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:27,146 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 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-11 22:07:27,146 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,148 INFO L267 ElimStorePlain]: Start of recursive call 56: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,150 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-11 22:07:27,181 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 3 variables, input treesize:122, output treesize:79 [2018-04-11 22:07:27,300 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 18 treesize of output 16 [2018-04-11 22:07:27,300 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:27,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:27,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:40 [2018-04-11 22:07:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:27,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 22:07:27,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-04-11 22:07:27,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 22:07:27,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 22:07:27,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1250, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 22:07:27,544 INFO L87 Difference]: Start difference. First operand 253 states and 266 transitions. Second operand 38 states. [2018-04-11 22:07:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:29,416 INFO L93 Difference]: Finished difference Result 321 states and 337 transitions. [2018-04-11 22:07:29,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 22:07:29,417 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 88 [2018-04-11 22:07:29,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:29,418 INFO L225 Difference]: With dead ends: 321 [2018-04-11 22:07:29,418 INFO L226 Difference]: Without dead ends: 317 [2018-04-11 22:07:29,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 137 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=688, Invalid=3344, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 22:07:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-04-11 22:07:29,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 250. [2018-04-11 22:07:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-11 22:07:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 262 transitions. [2018-04-11 22:07:29,433 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 262 transitions. Word has length 88 [2018-04-11 22:07:29,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:29,434 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 262 transitions. [2018-04-11 22:07:29,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 22:07:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 262 transitions. [2018-04-11 22:07:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-11 22:07:29,434 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:29,435 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:29,435 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:07:29,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1789548949, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:29,442 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:29,474 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:29,476 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 [2018-04-11 22:07:29,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,477 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:07:29,489 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 [2018-04-11 22:07:29,490 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 [2018-04-11 22:07:29,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,495 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,495 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 22:07:29,504 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,505 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 [2018-04-11 22:07:29,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,510 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-11 22:07:29,527 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 [2018-04-11 22:07:29,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:29,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,536 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2018-04-11 22:07:29,573 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,576 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 21 treesize of output 28 [2018-04-11 22:07:29,578 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 [2018-04-11 22:07:29,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,588 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:32 [2018-04-11 22:07:29,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,593 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 19 treesize of output 26 [2018-04-11 22:07:29,595 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 14 treesize of output 13 [2018-04-11 22:07:29,595 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:45 [2018-04-11 22:07:29,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,622 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,622 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 [2018-04-11 22:07:29,622 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:44 [2018-04-11 22:07:29,659 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 46 treesize of output 47 [2018-04-11 22:07:29,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-11 22:07:29,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:50 [2018-04-11 22:07:29,698 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2018-04-11 22:07:29,700 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-11 22:07:29,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,710 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 20 treesize of output 12 [2018-04-11 22:07:29,711 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:29,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:29,718 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 1 xjuncts. [2018-04-11 22:07:29,719 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:62, output treesize:23 [2018-04-11 22:07:29,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2018-04-11 22:07:29,775 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 35 treesize of output 34 [2018-04-11 22:07:29,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:29,800 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 2 case distinctions, treesize of input 24 treesize of output 29 [2018-04-11 22:07:29,801 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:29,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:29,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-11 22:07:29,825 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:34, output treesize:50 [2018-04-11 22:07:29,875 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 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-11 22:07:29,877 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 [2018-04-11 22:07:29,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,881 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 5 treesize of output 1 [2018-04-11 22:07:29,881 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:29,884 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2018-04-11 22:07:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:29,918 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:30,293 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:30,294 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:30,312 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 13 treesize of output 3 [2018-04-11 22:07:30,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:30,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:30,317 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:54, output treesize:45 [2018-04-11 22:07:43,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 73 treesize of output 51 [2018-04-11 22:07:43,792 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 [2018-04-11 22:07:43,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:43,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 96 [2018-04-11 22:07:44,278 WARN L151 SmtUtils]: Spent 431ms on a formula simplification. DAG size of input: 220 DAG size of output 191 [2018-04-11 22:07:44,281 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 55 treesize of output 53 [2018-04-11 22:07:44,283 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:44,285 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 29 treesize of output 34 [2018-04-11 22:07:44,285 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,296 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,298 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 56 treesize of output 54 [2018-04-11 22:07:44,302 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:44,304 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 29 treesize of output 34 [2018-04-11 22:07:44,304 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,322 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,324 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 42 treesize of output 45 [2018-04-11 22:07:44,326 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:44,328 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 18 treesize of output 24 [2018-04-11 22:07:44,328 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,338 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 55 treesize of output 56 [2018-04-11 22:07:44,792 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 12 treesize of output 12 [2018-04-11 22:07:44,792 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,803 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:44,804 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 29 treesize of output 34 [2018-04-11 22:07:44,805 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,813 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,815 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 37 treesize of output 40 [2018-04-11 22:07:44,817 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:44,818 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 18 treesize of output 24 [2018-04-11 22:07:44,818 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:44,826 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 33 treesize of output 43 [2018-04-11 22:07:45,201 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 44 [2018-04-11 22:07:45,207 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,228 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,229 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 36 treesize of output 42 [2018-04-11 22:07:45,229 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,249 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:45,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 35 treesize of output 45 [2018-04-11 22:07:45,262 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,264 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 38 treesize of output 44 [2018-04-11 22:07:45,264 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,287 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 46 [2018-04-11 22:07:45,291 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,311 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:45,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 48 treesize of output 53 [2018-04-11 22:07:45,325 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,326 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 46 treesize of output 51 [2018-04-11 22:07:45,327 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,350 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 53 [2018-04-11 22:07:45,355 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:45,377 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:45,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 57 [2018-04-11 22:07:45,804 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 40 treesize of output 38 [2018-04-11 22:07:45,839 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,841 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:45,849 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2018-04-11 22:07:45,850 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:45,856 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 18 treesize of output 18 [2018-04-11 22:07:45,857 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:45,885 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:46,037 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:46,038 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:46,038 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 33 treesize of output 31 [2018-04-11 22:07:46,039 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:46,166 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_prenex_93 term size 32 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.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) 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) [2018-04-11 22:07:46,169 INFO L168 Benchmark]: Toolchain (without parser) took 51553.47 ms. Allocated memory was 300.9 MB in the beginning and 693.1 MB in the end (delta: 392.2 MB). Free memory was 238.3 MB in the beginning and 420.7 MB in the end (delta: -182.4 MB). Peak memory consumption was 327.7 MB. Max. memory is 5.3 GB. [2018-04-11 22:07:46,170 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 300.9 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 22:07:46,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.36 ms. Allocated memory is still 300.9 MB. Free memory was 238.3 MB in the beginning and 213.3 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 22:07:46,171 INFO L168 Benchmark]: Boogie Preprocessor took 63.07 ms. Allocated memory is still 300.9 MB. Free memory was 213.3 MB in the beginning and 210.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 22:07:46,171 INFO L168 Benchmark]: RCFGBuilder took 627.90 ms. Allocated memory was 300.9 MB in the beginning and 459.3 MB in the end (delta: 158.3 MB). Free memory was 210.3 MB in the beginning and 384.9 MB in the end (delta: -174.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 5.3 GB. [2018-04-11 22:07:46,171 INFO L168 Benchmark]: TraceAbstraction took 50508.03 ms. Allocated memory was 459.3 MB in the beginning and 693.1 MB in the end (delta: 233.8 MB). Free memory was 384.9 MB in the beginning and 420.7 MB in the end (delta: -35.8 MB). Peak memory consumption was 316.0 MB. Max. memory is 5.3 GB. [2018-04-11 22:07:46,172 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 300.9 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 350.36 ms. Allocated memory is still 300.9 MB. Free memory was 238.3 MB in the beginning and 213.3 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 63.07 ms. Allocated memory is still 300.9 MB. Free memory was 213.3 MB in the beginning and 210.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 627.90 ms. Allocated memory was 300.9 MB in the beginning and 459.3 MB in the end (delta: 158.3 MB). Free memory was 210.3 MB in the beginning and 384.9 MB in the end (delta: -174.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 50508.03 ms. Allocated memory was 459.3 MB in the beginning and 693.1 MB in the end (delta: 233.8 MB). Free memory was 384.9 MB in the beginning and 420.7 MB in the end (delta: -35.8 MB). Peak memory consumption was 316.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_93 term size 32 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_93 term size 32: 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/list-ext_flag_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_22-07-46-179.csv Received shutdown request...