java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 06:08:23,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 06:08:23,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 06:08:23,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 06:08:23,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 06:08:23,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 06:08:23,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 06:08:23,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 06:08:23,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 06:08:23,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 06:08:23,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 06:08:23,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 06:08:23,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 06:08:23,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 06:08:23,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 06:08:23,274 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 06:08:23,275 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 06:08:23,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 06:08:23,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 06:08:23,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 06:08:23,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 06:08:23,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 06:08:23,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 06:08:23,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 06:08:23,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 06:08:23,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 06:08:23,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 06:08:23,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 06:08:23,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 06:08:23,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 06:08:23,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 06:08:23,285 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 06:08:23,295 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 06:08:23,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 06:08:23,297 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 06:08:23,297 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 06:08:23,297 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 06:08:23,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 06:08:23,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 06:08:23,297 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 06:08:23,298 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 06:08:23,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 06:08:23,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 06:08:23,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 06:08:23,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 06:08:23,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 06:08:23,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 06:08:23,299 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 06:08:23,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 06:08:23,300 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 06:08:23,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 06:08:23,339 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 06:08:23,342 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 06:08:23,344 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 06:08:23,344 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 06:08:23,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,705 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2e5e7d33f [2018-04-13 06:08:23,831 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 06:08:23,831 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 06:08:23,831 INFO L168 CDTParser]: Scanning dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,837 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 06:08:23,837 INFO L215 ultiparseSymbolTable]: [2018-04-13 06:08:23,837 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 06:08:23,838 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__suseconds_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__fd_mask in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____WAIT_STATUS in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__int64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____loff_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__fsid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__ushort in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_cond_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____u_quad_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_barrier_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____blkcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____clock_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____daddr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____ino64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____uint8_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____quad_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____gid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_spinlock_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____pid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____uint16_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____sigset_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____ino_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__Node in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__id_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__wchar_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____u_int in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____useconds_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__loff_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____int16_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__dev_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____key_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____int64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____clockid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_char in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_int16_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__blkcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_attr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__quad_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____pthread_list_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_barrierattr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_quad_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____swblk_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_once_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____u_long in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__ulong in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____qaddr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__blksize_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____blksize_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_short in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____rlim64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_condattr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__clock_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__fd_set in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__daddr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fsid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__gid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_long in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__mode_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____caddr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____int8_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____dev_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_mutex_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____u_short in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__size_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____rlim_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____intptr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____mode_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____time_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____timer_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__int8_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____suseconds_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_int in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fsfilcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__caddr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_mutexattr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____uint32_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_int64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fsfilcnt64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_rwlock_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__off_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__ldiv_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__ino_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__div_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__register_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__time_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_key_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__lldiv_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__Data in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__int16_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____socklen_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fsblkcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__uid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____uint64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__ssize_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fsblkcnt64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_int32_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____uid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____u_char in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____off64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__sigset_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__u_int8_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__uint in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__int32_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____id_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__fsblkcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__nlink_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__fsfilcnt_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____blkcnt64_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__pthread_rwlockattr_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____int32_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__clockid_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____off_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____fd_mask in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____nlink_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__timer_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____ssize_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i__key_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_extends_pointer_true_valid_memsafety_i____sig_atomic_t in dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:23,859 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2e5e7d33f [2018-04-13 06:08:23,862 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 06:08:23,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 06:08:23,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 06:08:23,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 06:08:23,867 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 06:08:23,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:23" (1/1) ... [2018-04-13 06:08:23,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bc1803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:23, skipping insertion in model container [2018-04-13 06:08:23,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:08:23" (1/1) ... [2018-04-13 06:08:23,879 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:08:23,900 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:08:24,015 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:08:24,049 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:08:24,055 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 110 non ball SCCs. Number of states in SCCs 110. [2018-04-13 06:08:24,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24 WrapperNode [2018-04-13 06:08:24,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 06:08:24,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 06:08:24,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 06:08:24,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 06:08:24,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... [2018-04-13 06:08:24,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 06:08:24,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 06:08:24,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 06:08:24,117 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 06:08:24,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 06:08:24,219 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 06:08:24,219 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 06:08:24,219 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 06:08:24,219 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 06:08:24,219 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 06:08:24,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 06:08:24,221 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 06:08:24,222 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 06:08:24,223 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 06:08:24,224 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 06:08:24,225 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 06:08:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 06:08:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 06:08:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 06:08:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 06:08:24,514 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 06:08:24,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:24 BoogieIcfgContainer [2018-04-13 06:08:24,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 06:08:24,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 06:08:24,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 06:08:24,517 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 06:08:24,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:08:23" (1/3) ... [2018-04-13 06:08:24,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c9cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:24, skipping insertion in model container [2018-04-13 06:08:24,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:08:24" (2/3) ... [2018-04-13 06:08:24,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c9cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:08:24, skipping insertion in model container [2018-04-13 06:08:24,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:08:24" (3/3) ... [2018-04-13 06:08:24,518 INFO L107 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i [2018-04-13 06:08:24,523 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 06:08:24,527 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-04-13 06:08:24,548 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 06:08:24,549 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 06:08:24,549 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 06:08:24,549 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 06:08:24,549 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 06:08:24,549 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 06:08:24,549 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 06:08:24,549 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 06:08:24,549 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 06:08:24,549 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 06:08:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-04-13 06:08:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-13 06:08:24,562 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:24,562 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:24,563 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:24,565 INFO L82 PathProgramCache]: Analyzing trace with hash 63747077, now seen corresponding path program 1 times [2018-04-13 06:08:24,566 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:24,566 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:24,593 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:24,593 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:24,617 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:24,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:24,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:08:24,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:08:24,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:08:24,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:08:24,664 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 4 states. [2018-04-13 06:08:24,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:24,788 INFO L93 Difference]: Finished difference Result 92 states and 97 transitions. [2018-04-13 06:08:24,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:08:24,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-13 06:08:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:24,797 INFO L225 Difference]: With dead ends: 92 [2018-04-13 06:08:24,797 INFO L226 Difference]: Without dead ends: 88 [2018-04-13 06:08:24,799 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:24,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-13 06:08:24,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 62. [2018-04-13 06:08:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-13 06:08:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-04-13 06:08:24,826 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 9 [2018-04-13 06:08:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:24,826 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-04-13 06:08:24,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:08:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-04-13 06:08:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-13 06:08:24,826 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:24,826 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:24,826 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:24,827 INFO L82 PathProgramCache]: Analyzing trace with hash 63747078, now seen corresponding path program 1 times [2018-04-13 06:08:24,827 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:24,827 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:24,827 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:24,828 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:24,840 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:24,885 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:24,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:08:24,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:08:24,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:08:24,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:08:24,887 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 4 states. [2018-04-13 06:08:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:24,975 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2018-04-13 06:08:24,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:08:24,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-13 06:08:24,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:24,976 INFO L225 Difference]: With dead ends: 114 [2018-04-13 06:08:24,976 INFO L226 Difference]: Without dead ends: 114 [2018-04-13 06:08:24,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:24,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-04-13 06:08:24,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 59. [2018-04-13 06:08:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-13 06:08:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-04-13 06:08:24,982 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 9 [2018-04-13 06:08:24,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:24,982 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-04-13 06:08:24,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:08:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-04-13 06:08:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:08:24,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:24,983 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:24,983 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:24,983 INFO L82 PathProgramCache]: Analyzing trace with hash 329747370, now seen corresponding path program 1 times [2018-04-13 06:08:24,984 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:24,984 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:24,984 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:24,984 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:24,997 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:08:25,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:08:25,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:08:25,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:08:25,022 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 4 states. [2018-04-13 06:08:25,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,078 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2018-04-13 06:08:25,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:08:25,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-13 06:08:25,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,079 INFO L225 Difference]: With dead ends: 70 [2018-04-13 06:08:25,079 INFO L226 Difference]: Without dead ends: 70 [2018-04-13 06:08:25,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:25,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-13 06:08:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2018-04-13 06:08:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-13 06:08:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2018-04-13 06:08:25,083 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 18 [2018-04-13 06:08:25,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,083 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2018-04-13 06:08:25,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:08:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2018-04-13 06:08:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:08:25,084 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,084 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:25,084 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,084 INFO L82 PathProgramCache]: Analyzing trace with hash 329747371, now seen corresponding path program 1 times [2018-04-13 06:08:25,084 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,084 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,085 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,085 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,092 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,137 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 06:08:25,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 06:08:25,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 06:08:25,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:25,138 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 5 states. [2018-04-13 06:08:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,250 INFO L93 Difference]: Finished difference Result 154 states and 171 transitions. [2018-04-13 06:08:25,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 06:08:25,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-13 06:08:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,251 INFO L225 Difference]: With dead ends: 154 [2018-04-13 06:08:25,251 INFO L226 Difference]: Without dead ends: 154 [2018-04-13 06:08:25,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-13 06:08:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-13 06:08:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 83. [2018-04-13 06:08:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-13 06:08:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2018-04-13 06:08:25,255 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 18 [2018-04-13 06:08:25,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,255 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2018-04-13 06:08:25,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 06:08:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2018-04-13 06:08:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:08:25,255 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,255 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:25,255 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,255 INFO L82 PathProgramCache]: Analyzing trace with hash 329778988, now seen corresponding path program 1 times [2018-04-13 06:08:25,255 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,255 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,256 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,256 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,264 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,277 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:08:25,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:08:25,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:08:25,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:08:25,277 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand 4 states. [2018-04-13 06:08:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,347 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2018-04-13 06:08:25,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:08:25,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-13 06:08:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,348 INFO L225 Difference]: With dead ends: 104 [2018-04-13 06:08:25,348 INFO L226 Difference]: Without dead ends: 104 [2018-04-13 06:08:25,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-13 06:08:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2018-04-13 06:08:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-13 06:08:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2018-04-13 06:08:25,353 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 18 [2018-04-13 06:08:25,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,353 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2018-04-13 06:08:25,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:08:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2018-04-13 06:08:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:08:25,354 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,354 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:25,354 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,354 INFO L82 PathProgramCache]: Analyzing trace with hash 329778989, now seen corresponding path program 1 times [2018-04-13 06:08:25,354 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,354 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,355 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,355 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,360 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,381 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:08:25,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:08:25,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:08:25,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:08:25,382 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand 4 states. [2018-04-13 06:08:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,447 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-04-13 06:08:25,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:08:25,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-13 06:08:25,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,449 INFO L225 Difference]: With dead ends: 122 [2018-04-13 06:08:25,449 INFO L226 Difference]: Without dead ends: 122 [2018-04-13 06:08:25,449 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-04-13 06:08:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 80. [2018-04-13 06:08:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-13 06:08:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2018-04-13 06:08:25,453 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 18 [2018-04-13 06:08:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,453 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2018-04-13 06:08:25,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:08:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-04-13 06:08:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 06:08:25,454 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,454 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:08:25,454 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1632232948, now seen corresponding path program 1 times [2018-04-13 06:08:25,454 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,455 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,455 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,455 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,463 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,487 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,487 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 06:08:25,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 06:08:25,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 06:08:25,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:25,488 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand 5 states. [2018-04-13 06:08:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,543 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2018-04-13 06:08:25,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 06:08:25,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-13 06:08:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,544 INFO L225 Difference]: With dead ends: 97 [2018-04-13 06:08:25,544 INFO L226 Difference]: Without dead ends: 97 [2018-04-13 06:08:25,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-13 06:08:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-13 06:08:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 80. [2018-04-13 06:08:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-13 06:08:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2018-04-13 06:08:25,547 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 19 [2018-04-13 06:08:25,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,547 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2018-04-13 06:08:25,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 06:08:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2018-04-13 06:08:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 06:08:25,548 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,548 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] [2018-04-13 06:08:25,548 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1918816767, now seen corresponding path program 1 times [2018-04-13 06:08:25,549 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,549 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,550 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,550 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,564 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,661 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 06:08:25,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 06:08:25,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 06:08:25,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-13 06:08:25,662 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 7 states. [2018-04-13 06:08:25,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:25,780 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2018-04-13 06:08:25,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 06:08:25,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-13 06:08:25,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:25,781 INFO L225 Difference]: With dead ends: 84 [2018-04-13 06:08:25,781 INFO L226 Difference]: Without dead ends: 84 [2018-04-13 06:08:25,782 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-04-13 06:08:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-13 06:08:25,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 74. [2018-04-13 06:08:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-13 06:08:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2018-04-13 06:08:25,785 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 23 [2018-04-13 06:08:25,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:25,785 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2018-04-13 06:08:25,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 06:08:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2018-04-13 06:08:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 06:08:25,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:25,786 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] [2018-04-13 06:08:25,786 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:25,792 INFO L82 PathProgramCache]: Analyzing trace with hash 845781146, now seen corresponding path program 1 times [2018-04-13 06:08:25,792 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:25,792 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:25,793 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,793 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,811 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:25,817 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:25,817 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:25,818 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:25,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:25,856 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:25,893 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 [2018-04-13 06:08:25,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:25,916 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 [2018-04-13 06:08:25,916 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:25,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:25,921 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:08:25,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:25,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:25,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:08:25,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:25,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:25,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:25,954 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 [2018-04-13 06:08:25,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:25,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:25,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-13 06:08:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:25,976 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:25,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 06:08:25,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 06:08:25,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 06:08:25,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-13 06:08:25,977 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 6 states. [2018-04-13 06:08:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:26,108 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2018-04-13 06:08:26,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 06:08:26,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-13 06:08:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:26,109 INFO L225 Difference]: With dead ends: 100 [2018-04-13 06:08:26,109 INFO L226 Difference]: Without dead ends: 100 [2018-04-13 06:08:26,109 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-13 06:08:26,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-13 06:08:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 73. [2018-04-13 06:08:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-13 06:08:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2018-04-13 06:08:26,112 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 23 [2018-04-13 06:08:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:26,112 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2018-04-13 06:08:26,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 06:08:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-04-13 06:08:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 06:08:26,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:26,113 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] [2018-04-13 06:08:26,113 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:26,114 INFO L82 PathProgramCache]: Analyzing trace with hash -8601878, now seen corresponding path program 1 times [2018-04-13 06:08:26,114 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:26,114 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:26,115 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:26,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:26,115 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:26,123 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:26,125 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:26,125 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:26,126 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:26,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:26,153 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:26,173 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 [2018-04-13 06:08:26,175 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 [2018-04-13 06:08:26,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,184 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 [2018-04-13 06:08:26,185 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 [2018-04-13 06:08:26,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,187 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,191 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-13 06:08:26,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 06:08:26,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:08:26,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 06:08:26,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:08:26,216 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,220 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,225 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,225 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 06:08:26,236 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 32 treesize of output 25 [2018-04-13 06:08:26,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 60 [2018-04-13 06:08:26,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,259 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 30 treesize of output 23 [2018-04-13 06:08:26,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-04-13 06:08:26,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,270 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,278 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:64, output treesize:56 [2018-04-13 06:08:26,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-13 06:08:26,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 57 [2018-04-13 06:08:26,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:26,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:26,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:26,396 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:168 [2018-04-13 06:08:26,650 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 82 [2018-04-13 06:08:26,660 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 67 treesize of output 57 [2018-04-13 06:08:26,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 65 [2018-04-13 06:08:26,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:26,723 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 67 treesize of output 57 [2018-04-13 06:08:26,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 77 [2018-04-13 06:08:26,745 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:26,774 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:26,809 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 50 [2018-04-13 06:08:26,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:26,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 77 [2018-04-13 06:08:26,831 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:26,864 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:26,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-13 06:08:26,920 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:195, output treesize:180 [2018-04-13 06:08:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:26,991 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:26,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 06:08:26,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 06:08:26,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 06:08:26,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-13 06:08:26,992 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 12 states. [2018-04-13 06:08:28,142 WARN L148 SmtUtils]: Spent 187ms on a formula simplification that was a NOOP. DAG size: 103 [2018-04-13 06:08:28,851 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 91 DAG size of output 88 [2018-04-13 06:08:29,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:29,403 INFO L93 Difference]: Finished difference Result 80 states and 87 transitions. [2018-04-13 06:08:29,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 06:08:29,404 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-04-13 06:08:29,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:29,404 INFO L225 Difference]: With dead ends: 80 [2018-04-13 06:08:29,404 INFO L226 Difference]: Without dead ends: 80 [2018-04-13 06:08:29,404 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:08:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-13 06:08:29,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2018-04-13 06:08:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-13 06:08:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2018-04-13 06:08:29,406 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 27 [2018-04-13 06:08:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:29,407 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2018-04-13 06:08:29,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 06:08:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2018-04-13 06:08:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 06:08:29,407 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:29,407 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] [2018-04-13 06:08:29,407 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:29,407 INFO L82 PathProgramCache]: Analyzing trace with hash -266659148, now seen corresponding path program 1 times [2018-04-13 06:08:29,407 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:29,407 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:29,408 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:29,408 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:29,413 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:29,414 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:29,414 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:29,414 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:29,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:29,425 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:29,463 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~y~0.base Int)) (and (= |c_#valid| (store |c_old(#valid)| main_~y~0.base 0)) (= (select |c_old(#valid)| main_~y~0.base) 0))) is different from true [2018-04-13 06:08:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-04-13 06:08:29,466 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:29,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 06:08:29,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 06:08:29,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 06:08:29,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2018-04-13 06:08:29,467 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand 7 states. [2018-04-13 06:08:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:29,621 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2018-04-13 06:08:29,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 06:08:29,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-04-13 06:08:29,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:29,622 INFO L225 Difference]: With dead ends: 79 [2018-04-13 06:08:29,622 INFO L226 Difference]: Without dead ends: 66 [2018-04-13 06:08:29,622 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=50, Unknown=2, NotChecked=14, Total=90 [2018-04-13 06:08:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-13 06:08:29,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-13 06:08:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-13 06:08:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2018-04-13 06:08:29,624 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 28 [2018-04-13 06:08:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:29,625 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2018-04-13 06:08:29,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 06:08:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2018-04-13 06:08:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 06:08:29,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:29,626 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] [2018-04-13 06:08:29,626 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:29,626 INFO L82 PathProgramCache]: Analyzing trace with hash 6347557, now seen corresponding path program 1 times [2018-04-13 06:08:29,626 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:29,626 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:29,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:29,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:29,636 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:29,675 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:29,676 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 06:08:29,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 06:08:29,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 06:08:29,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:29,676 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 5 states. [2018-04-13 06:08:29,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:29,767 INFO L93 Difference]: Finished difference Result 134 states and 146 transitions. [2018-04-13 06:08:29,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:08:29,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-13 06:08:29,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:29,768 INFO L225 Difference]: With dead ends: 134 [2018-04-13 06:08:29,768 INFO L226 Difference]: Without dead ends: 134 [2018-04-13 06:08:29,768 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 06:08:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-13 06:08:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 83. [2018-04-13 06:08:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-13 06:08:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2018-04-13 06:08:29,771 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 29 [2018-04-13 06:08:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:29,771 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2018-04-13 06:08:29,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 06:08:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2018-04-13 06:08:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-13 06:08:29,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:29,771 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] [2018-04-13 06:08:29,771 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:29,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1624604828, now seen corresponding path program 1 times [2018-04-13 06:08:29,772 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:29,772 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:29,772 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:29,772 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:29,780 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:29,823 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:29,823 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 06:08:29,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 06:08:29,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 06:08:29,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-13 06:08:29,824 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand 6 states. [2018-04-13 06:08:29,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:29,920 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2018-04-13 06:08:29,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 06:08:29,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-13 06:08:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:29,921 INFO L225 Difference]: With dead ends: 113 [2018-04-13 06:08:29,921 INFO L226 Difference]: Without dead ends: 113 [2018-04-13 06:08:29,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-04-13 06:08:29,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-04-13 06:08:29,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 69. [2018-04-13 06:08:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-13 06:08:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2018-04-13 06:08:29,924 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 30 [2018-04-13 06:08:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:29,924 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2018-04-13 06:08:29,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 06:08:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-04-13 06:08:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-13 06:08:29,925 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:29,925 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] [2018-04-13 06:08:29,925 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:29,925 INFO L82 PathProgramCache]: Analyzing trace with hash 196773306, now seen corresponding path program 1 times [2018-04-13 06:08:29,925 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:29,925 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:29,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:29,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:29,936 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:29,960 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:29,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 06:08:29,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 06:08:29,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 06:08:29,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:08:29,961 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand 5 states. [2018-04-13 06:08:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:30,013 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-04-13 06:08:30,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:08:30,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-04-13 06:08:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:30,015 INFO L225 Difference]: With dead ends: 89 [2018-04-13 06:08:30,015 INFO L226 Difference]: Without dead ends: 89 [2018-04-13 06:08:30,015 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 06:08:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-13 06:08:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 69. [2018-04-13 06:08:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-13 06:08:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2018-04-13 06:08:30,017 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 76 transitions. Word has length 30 [2018-04-13 06:08:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:30,017 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 76 transitions. [2018-04-13 06:08:30,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 06:08:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2018-04-13 06:08:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 06:08:30,018 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:30,018 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] [2018-04-13 06:08:30,018 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:30,019 INFO L82 PathProgramCache]: Analyzing trace with hash 810426053, now seen corresponding path program 1 times [2018-04-13 06:08:30,019 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:30,019 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:30,019 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:30,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:30,039 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:30,145 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:30,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 06:08:30,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 06:08:30,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 06:08:30,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-13 06:08:30,146 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. Second operand 8 states. [2018-04-13 06:08:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:30,350 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2018-04-13 06:08:30,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 06:08:30,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-13 06:08:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:30,351 INFO L225 Difference]: With dead ends: 98 [2018-04-13 06:08:30,352 INFO L226 Difference]: Without dead ends: 98 [2018-04-13 06:08:30,352 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-04-13 06:08:30,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-13 06:08:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79. [2018-04-13 06:08:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-13 06:08:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2018-04-13 06:08:30,354 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 34 [2018-04-13 06:08:30,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:30,355 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2018-04-13 06:08:30,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 06:08:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2018-04-13 06:08:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-13 06:08:30,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:30,356 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] [2018-04-13 06:08:30,356 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:30,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1393118126, now seen corresponding path program 1 times [2018-04-13 06:08:30,356 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:30,356 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:30,357 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:30,357 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:30,368 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:30,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:30,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 06:08:30,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 06:08:30,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 06:08:30,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-13 06:08:30,450 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 9 states. [2018-04-13 06:08:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:30,643 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2018-04-13 06:08:30,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 06:08:30,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-04-13 06:08:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:30,644 INFO L225 Difference]: With dead ends: 115 [2018-04-13 06:08:30,644 INFO L226 Difference]: Without dead ends: 115 [2018-04-13 06:08:30,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2018-04-13 06:08:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-13 06:08:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 79. [2018-04-13 06:08:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-13 06:08:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2018-04-13 06:08:30,647 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 35 [2018-04-13 06:08:30,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:30,647 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2018-04-13 06:08:30,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 06:08:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2018-04-13 06:08:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-13 06:08:30,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:30,648 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] [2018-04-13 06:08:30,648 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:30,649 INFO L82 PathProgramCache]: Analyzing trace with hash 236989053, now seen corresponding path program 1 times [2018-04-13 06:08:30,649 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:30,649 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:30,649 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:30,650 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:30,660 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:30,765 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:30,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 06:08:30,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 06:08:30,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 06:08:30,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-13 06:08:30,766 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 9 states. [2018-04-13 06:08:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:31,006 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-13 06:08:31,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 06:08:31,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-04-13 06:08:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:31,007 INFO L225 Difference]: With dead ends: 103 [2018-04-13 06:08:31,007 INFO L226 Difference]: Without dead ends: 103 [2018-04-13 06:08:31,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2018-04-13 06:08:31,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-13 06:08:31,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 79. [2018-04-13 06:08:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-13 06:08:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2018-04-13 06:08:31,009 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 36 [2018-04-13 06:08:31,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:31,010 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2018-04-13 06:08:31,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 06:08:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2018-04-13 06:08:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-13 06:08:31,010 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:31,011 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:31,011 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:31,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1741437104, now seen corresponding path program 1 times [2018-04-13 06:08:31,011 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:31,011 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:31,012 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:31,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:31,012 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:31,021 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:31,023 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:31,023 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:31,023 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:31,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:31,052 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:31,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,071 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 11 treesize of output 12 [2018-04-13 06:08:31,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,072 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-13 06:08:31,080 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:31,081 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 8 treesize of output 7 [2018-04-13 06:08:31,081 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-13 06:08:31,102 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 39 treesize of output 35 [2018-04-13 06:08:31,104 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 [2018-04-13 06:08:31,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,112 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. [2018-04-13 06:08:31,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:34 [2018-04-13 06:08:31,129 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 44 treesize of output 38 [2018-04-13 06:08:31,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 46 [2018-04-13 06:08:31,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,137 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,142 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. [2018-04-13 06:08:31,142 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:43 [2018-04-13 06:08:31,248 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 56 treesize of output 45 [2018-04-13 06:08:31,255 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 58 [2018-04-13 06:08:31,271 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:08:31,336 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 [2018-04-13 06:08:31,336 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:08:31,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:08:31,408 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:68, output treesize:133 [2018-04-13 06:08:31,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:31,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:08:31,552 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:31,557 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. [2018-04-13 06:08:31,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-13 06:08:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:31,583 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:31,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 06:08:31,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 06:08:31,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 06:08:31,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-04-13 06:08:31,584 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand 17 states. [2018-04-13 06:08:32,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:32,399 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2018-04-13 06:08:32,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 06:08:32,399 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 38 [2018-04-13 06:08:32,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:32,400 INFO L225 Difference]: With dead ends: 100 [2018-04-13 06:08:32,400 INFO L226 Difference]: Without dead ends: 100 [2018-04-13 06:08:32,400 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=1033, Unknown=0, NotChecked=0, Total=1260 [2018-04-13 06:08:32,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-13 06:08:32,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2018-04-13 06:08:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-13 06:08:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2018-04-13 06:08:32,402 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 38 [2018-04-13 06:08:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:32,402 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2018-04-13 06:08:32,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 06:08:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2018-04-13 06:08:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-13 06:08:32,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:32,403 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:32,403 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:32,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1741437105, now seen corresponding path program 1 times [2018-04-13 06:08:32,403 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:32,403 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:32,403 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:32,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:32,403 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:32,410 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:32,412 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:32,412 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:32,412 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:32,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:32,436 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:32,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,487 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 12 treesize of output 15 [2018-04-13 06:08:32,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 06:08:32,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,501 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 06:08:32,520 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:32,522 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 8 treesize of output 7 [2018-04-13 06:08:32,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,532 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:32,534 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 [2018-04-13 06:08:32,534 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,535 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,542 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-04-13 06:08:32,560 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 56 treesize of output 52 [2018-04-13 06:08:32,562 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 12 treesize of output 11 [2018-04-13 06:08:32,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,579 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 27 treesize of output 28 [2018-04-13 06:08:32,580 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 12 treesize of output 11 [2018-04-13 06:08:32,581 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,587 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:55 [2018-04-13 06:08:32,614 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 53 treesize of output 45 [2018-04-13 06:08:32,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 55 [2018-04-13 06:08:32,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,634 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 34 treesize of output 37 [2018-04-13 06:08:32,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:08:32,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,644 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,652 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:75 [2018-04-13 06:08:32,707 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 33 [2018-04-13 06:08:32,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,717 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 2 case distinctions, treesize of input 20 treesize of output 33 [2018-04-13 06:08:32,718 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:32,737 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 [2018-04-13 06:08:32,737 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:32,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:32,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:32,765 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:98, output treesize:211 [2018-04-13 06:08:32,971 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 78 treesize of output 67 [2018-04-13 06:08:32,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:32,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 46 [2018-04-13 06:08:32,979 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:32,993 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 [2018-04-13 06:08:32,993 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:33,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:33,037 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 77 treesize of output 66 [2018-04-13 06:08:33,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:33,042 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:33,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 54 [2018-04-13 06:08:33,054 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-13 06:08:33,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 06:08:33,103 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:33,124 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-13 06:08:33,187 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 82 treesize of output 71 [2018-04-13 06:08:33,191 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:33,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:33,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:33,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 56 [2018-04-13 06:08:33,198 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:08:33,232 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 [2018-04-13 06:08:33,233 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:33,245 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:08:33,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 7 xjuncts. [2018-04-13 06:08:33,316 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 8 variables, input treesize:238, output treesize:251 [2018-04-13 06:08:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:33,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:33,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 06:08:33,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 06:08:33,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 06:08:33,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-13 06:08:33,438 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand 19 states. [2018-04-13 06:08:34,548 WARN L151 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 112 DAG size of output 99 [2018-04-13 06:08:34,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:34,874 INFO L93 Difference]: Finished difference Result 134 states and 146 transitions. [2018-04-13 06:08:34,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 06:08:34,874 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2018-04-13 06:08:34,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:34,875 INFO L225 Difference]: With dead ends: 134 [2018-04-13 06:08:34,875 INFO L226 Difference]: Without dead ends: 134 [2018-04-13 06:08:34,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=213, Invalid=1193, Unknown=0, NotChecked=0, Total=1406 [2018-04-13 06:08:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-13 06:08:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2018-04-13 06:08:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 06:08:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2018-04-13 06:08:34,878 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 38 [2018-04-13 06:08:34,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:34,878 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2018-04-13 06:08:34,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 06:08:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2018-04-13 06:08:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 06:08:34,879 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:34,879 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:34,879 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash 769968409, now seen corresponding path program 1 times [2018-04-13 06:08:34,879 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:34,879 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:34,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:34,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:34,887 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:34,889 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:34,890 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:34,890 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:34,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:34,922 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:34,938 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 [2018-04-13 06:08:34,938 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:08:34,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:34,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:34,949 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 13 treesize of output 14 [2018-04-13 06:08:34,949 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,954 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 06:08:34,963 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 [2018-04-13 06:08:34,963 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,965 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,968 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2018-04-13 06:08:34,981 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 [2018-04-13 06:08:34,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-13 06:08:34,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:34,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:8 [2018-04-13 06:08:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:34,993 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:34,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 06:08:34,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 06:08:34,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 06:08:34,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-13 06:08:34,994 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand 9 states. [2018-04-13 06:08:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:35,161 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2018-04-13 06:08:35,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 06:08:35,161 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-04-13 06:08:35,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:35,162 INFO L225 Difference]: With dead ends: 130 [2018-04-13 06:08:35,162 INFO L226 Difference]: Without dead ends: 130 [2018-04-13 06:08:35,163 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:08:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-13 06:08:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2018-04-13 06:08:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 06:08:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 131 transitions. [2018-04-13 06:08:35,165 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 131 transitions. Word has length 39 [2018-04-13 06:08:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:35,165 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 131 transitions. [2018-04-13 06:08:35,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 06:08:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 131 transitions. [2018-04-13 06:08:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 06:08:35,166 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:35,166 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:35,166 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1850025554, now seen corresponding path program 1 times [2018-04-13 06:08:35,167 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:35,167 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:35,167 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:35,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:35,167 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:35,175 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:35,177 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:35,177 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:35,177 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:35,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:35,198 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:35,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 5 [2018-04-13 06:08:35,211 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,214 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,214 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:10 [2018-04-13 06:08:35,226 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:35,226 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:35,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 06:08:35,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,229 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-04-13 06:08:35,240 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:35,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:08:35,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,247 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-13 06:08:35,262 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-13 06:08:35,264 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 [2018-04-13 06:08:35,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,268 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,272 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. [2018-04-13 06:08:35,272 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-13 06:08:35,314 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-13 06:08:35,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:35,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-04-13 06:08:35,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,325 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. [2018-04-13 06:08:35,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:42 [2018-04-13 06:08:35,417 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 44 [2018-04-13 06:08:35,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:35,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:35,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 57 [2018-04-13 06:08:35,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 6 xjuncts. [2018-04-13 06:08:35,465 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 06:08:35,466 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:35,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:35,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:08:35,511 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:58 [2018-04-13 06:08:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:35,567 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:35,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 06:08:35,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 06:08:35,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 06:08:35,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-13 06:08:35,568 INFO L87 Difference]: Start difference. First operand 116 states and 131 transitions. Second operand 17 states. [2018-04-13 06:08:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:36,130 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2018-04-13 06:08:36,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 06:08:36,130 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2018-04-13 06:08:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:36,131 INFO L225 Difference]: With dead ends: 130 [2018-04-13 06:08:36,131 INFO L226 Difference]: Without dead ends: 130 [2018-04-13 06:08:36,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 06:08:36,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-13 06:08:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2018-04-13 06:08:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 06:08:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2018-04-13 06:08:36,134 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 39 [2018-04-13 06:08:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:36,134 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2018-04-13 06:08:36,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 06:08:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2018-04-13 06:08:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-13 06:08:36,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:36,135 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] [2018-04-13 06:08:36,135 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:36,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1427071872, now seen corresponding path program 1 times [2018-04-13 06:08:36,135 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:36,135 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:36,136 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:36,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:36,136 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:36,145 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:36,152 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:36,152 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:36,152 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:36,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:36,171 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:36,194 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 [2018-04-13 06:08:36,195 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,198 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:08:36,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,204 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 13 treesize of output 14 [2018-04-13 06:08:36,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,208 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 06:08:36,209 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 [2018-04-13 06:08:36,210 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,211 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,214 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,214 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2018-04-13 06:08:36,242 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 [2018-04-13 06:08:36,243 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 [2018-04-13 06:08:36,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:13 [2018-04-13 06:08:36,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:08:36,255 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,259 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. [2018-04-13 06:08:36,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:14 [2018-04-13 06:08:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:36,278 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:08:36,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-13 06:08:36,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 06:08:36,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 06:08:36,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-04-13 06:08:36,279 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand 12 states. [2018-04-13 06:08:36,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:36,507 INFO L93 Difference]: Finished difference Result 129 states and 143 transitions. [2018-04-13 06:08:36,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 06:08:36,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-13 06:08:36,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:36,508 INFO L225 Difference]: With dead ends: 129 [2018-04-13 06:08:36,508 INFO L226 Difference]: Without dead ends: 129 [2018-04-13 06:08:36,509 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2018-04-13 06:08:36,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-13 06:08:36,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 118. [2018-04-13 06:08:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-13 06:08:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 132 transitions. [2018-04-13 06:08:36,510 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 132 transitions. Word has length 40 [2018-04-13 06:08:36,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:36,511 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 132 transitions. [2018-04-13 06:08:36,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 06:08:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2018-04-13 06:08:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-13 06:08:36,511 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:36,511 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] [2018-04-13 06:08:36,511 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:36,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1516187406, now seen corresponding path program 1 times [2018-04-13 06:08:36,511 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:36,511 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:36,512 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:36,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:36,512 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:36,518 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:36,521 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:36,521 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:36,521 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:36,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:36,542 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:36,567 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,568 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 12 treesize of output 15 [2018-04-13 06:08:36,568 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,576 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 06:08:36,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 06:08:36,616 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:36,620 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 8 treesize of output 7 [2018-04-13 06:08:36,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:36,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:08:36,633 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,634 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,640 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-04-13 06:08:36,656 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 56 treesize of output 52 [2018-04-13 06:08:36,657 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 12 treesize of output 11 [2018-04-13 06:08:36,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,671 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 27 treesize of output 28 [2018-04-13 06:08:36,672 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 12 treesize of output 11 [2018-04-13 06:08:36,672 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,675 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,681 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:55 [2018-04-13 06:08:36,700 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 53 treesize of output 45 [2018-04-13 06:08:36,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 55 [2018-04-13 06:08:36,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,723 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 34 treesize of output 37 [2018-04-13 06:08:36,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:08:36,726 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,733 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,744 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:75 [2018-04-13 06:08:36,815 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 33 [2018-04-13 06:08:36,836 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 [2018-04-13 06:08:36,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:36,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:36,899 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 36 [2018-04-13 06:08:36,900 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2018-04-13 06:08:36,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:36,949 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 3 xjuncts. [2018-04-13 06:08:36,950 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:98, output treesize:200 [2018-04-13 06:08:37,153 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 77 treesize of output 66 [2018-04-13 06:08:37,156 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 [2018-04-13 06:08:37,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:37,173 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,175 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,176 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 50 [2018-04-13 06:08:37,183 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:08:37,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:08:37,317 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 71 treesize of output 60 [2018-04-13 06:08:37,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 58 [2018-04-13 06:08:37,337 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:08:37,411 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 [2018-04-13 06:08:37,411 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:37,446 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:08:37,555 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 78 treesize of output 67 [2018-04-13 06:08:37,570 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,571 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:37,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 46 [2018-04-13 06:08:37,576 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:37,611 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 [2018-04-13 06:08:37,612 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:37,620 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:37,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-2 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-04-13 06:08:37,746 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:227, output treesize:323 [2018-04-13 06:08:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:37,948 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:37,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 06:08:37,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 06:08:37,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 06:08:37,949 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-04-13 06:08:37,949 INFO L87 Difference]: Start difference. First operand 118 states and 132 transitions. Second operand 21 states. [2018-04-13 06:08:38,952 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 116 DAG size of output 114 [2018-04-13 06:08:41,025 WARN L151 SmtUtils]: Spent 1916ms on a formula simplification. DAG size of input: 109 DAG size of output 95 [2018-04-13 06:08:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:41,411 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2018-04-13 06:08:41,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 06:08:41,411 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-04-13 06:08:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:41,412 INFO L225 Difference]: With dead ends: 137 [2018-04-13 06:08:41,412 INFO L226 Difference]: Without dead ends: 137 [2018-04-13 06:08:41,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=248, Invalid=1558, Unknown=0, NotChecked=0, Total=1806 [2018-04-13 06:08:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-13 06:08:41,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 118. [2018-04-13 06:08:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-13 06:08:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 131 transitions. [2018-04-13 06:08:41,414 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 131 transitions. Word has length 40 [2018-04-13 06:08:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:41,414 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 131 transitions. [2018-04-13 06:08:41,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 06:08:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 131 transitions. [2018-04-13 06:08:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-13 06:08:41,414 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:41,414 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] [2018-04-13 06:08:41,414 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1432049849, now seen corresponding path program 1 times [2018-04-13 06:08:41,415 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:41,415 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:41,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:41,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:41,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:41,423 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:41,426 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:41,427 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:41,427 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:41,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:41,456 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:41,468 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 06:08:41,470 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 [2018-04-13 06:08:41,470 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,475 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 06:08:41,484 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 [2018-04-13 06:08:41,485 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 [2018-04-13 06:08:41,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,509 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 25 treesize of output 20 [2018-04-13 06:08:41,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 06:08:41,512 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,518 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,523 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-04-13 06:08:41,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 06:08:41,547 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-04-13 06:08:41,578 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 [2018-04-13 06:08:41,580 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 8 treesize of output 7 [2018-04-13 06:08:41,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,597 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 26 treesize of output 35 [2018-04-13 06:08:41,598 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 [2018-04-13 06:08:41,599 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,603 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,612 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:54 [2018-04-13 06:08:41,634 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 84 treesize of output 74 [2018-04-13 06:08:41,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 39 [2018-04-13 06:08:41,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,658 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 49 treesize of output 38 [2018-04-13 06:08:41,659 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,661 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 23 treesize of output 35 [2018-04-13 06:08:41,661 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,667 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,675 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:94, output treesize:67 [2018-04-13 06:08:41,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 48 [2018-04-13 06:08:41,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:08:41,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,727 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,742 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 70 treesize of output 56 [2018-04-13 06:08:41,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:41,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 72 [2018-04-13 06:08:41,745 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,753 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:41,764 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:95, output treesize:87 [2018-04-13 06:08:42,139 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:42,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:42,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 76 [2018-04-13 06:08:42,143 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:42,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:42,152 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 06:08:42,153 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:42,170 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 42 treesize of output 28 [2018-04-13 06:08:42,170 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,195 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 49 treesize of output 41 [2018-04-13 06:08:42,197 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:42,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:42,198 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 18 treesize of output 13 [2018-04-13 06:08:42,199 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:42,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:42,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 06:08:42,208 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,211 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:42,218 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:140, output treesize:12 [2018-04-13 06:08:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:42,250 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:42,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 06:08:42,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 06:08:42,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 06:08:42,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=448, Unknown=1, NotChecked=0, Total=506 [2018-04-13 06:08:42,251 INFO L87 Difference]: Start difference. First operand 118 states and 131 transitions. Second operand 23 states. [2018-04-13 06:08:44,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:44,315 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2018-04-13 06:08:44,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 06:08:44,316 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2018-04-13 06:08:44,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:44,316 INFO L225 Difference]: With dead ends: 133 [2018-04-13 06:08:44,316 INFO L226 Difference]: Without dead ends: 133 [2018-04-13 06:08:44,316 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=262, Invalid=1894, Unknown=6, NotChecked=0, Total=2162 [2018-04-13 06:08:44,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-13 06:08:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2018-04-13 06:08:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-13 06:08:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2018-04-13 06:08:44,318 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 43 [2018-04-13 06:08:44,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:44,318 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2018-04-13 06:08:44,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 06:08:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2018-04-13 06:08:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-13 06:08:44,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:44,319 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:44,319 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:44,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1343743614, now seen corresponding path program 1 times [2018-04-13 06:08:44,319 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:44,319 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:44,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:44,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:44,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:44,326 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:44,328 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:44,328 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:44,328 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:44,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:44,349 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:44,353 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 [2018-04-13 06:08:44,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,356 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:08:44,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,372 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 [2018-04-13 06:08:44,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,373 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-13 06:08:44,383 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:44,385 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 8 treesize of output 7 [2018-04-13 06:08:44,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-04-13 06:08:44,403 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 39 treesize of output 35 [2018-04-13 06:08:44,405 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 [2018-04-13 06:08:44,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,414 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. [2018-04-13 06:08:44,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-13 06:08:44,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-04-13 06:08:44,433 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,442 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. [2018-04-13 06:08:44,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:56 [2018-04-13 06:08:44,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-13 06:08:44,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 54 [2018-04-13 06:08:44,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:44,484 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:69, output treesize:74 [2018-04-13 06:08:44,601 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 82 treesize of output 60 [2018-04-13 06:08:44,603 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 [2018-04-13 06:08:44,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 29 [2018-04-13 06:08:44,611 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,624 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:90, output treesize:31 [2018-04-13 06:08:44,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-04-13 06:08:44,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,652 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. [2018-04-13 06:08:44,652 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:23 [2018-04-13 06:08:44,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:44,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-04-13 06:08:44,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:44,699 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 1 xjuncts. [2018-04-13 06:08:44,699 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:20 [2018-04-13 06:08:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:44,723 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:44,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 06:08:44,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 06:08:44,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 06:08:44,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:08:44,724 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 20 states. [2018-04-13 06:08:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:49,768 INFO L93 Difference]: Finished difference Result 136 states and 146 transitions. [2018-04-13 06:08:49,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 06:08:49,768 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2018-04-13 06:08:49,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:49,769 INFO L225 Difference]: With dead ends: 136 [2018-04-13 06:08:49,769 INFO L226 Difference]: Without dead ends: 136 [2018-04-13 06:08:49,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=362, Invalid=1618, Unknown=0, NotChecked=0, Total=1980 [2018-04-13 06:08:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-13 06:08:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 112. [2018-04-13 06:08:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-13 06:08:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2018-04-13 06:08:49,771 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 44 [2018-04-13 06:08:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:49,771 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2018-04-13 06:08:49,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 06:08:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2018-04-13 06:08:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-13 06:08:49,772 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:49,772 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:49,772 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:49,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1343743613, now seen corresponding path program 1 times [2018-04-13 06:08:49,773 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:49,773 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:49,774 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:49,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:49,774 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:49,783 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:49,786 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:49,786 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:49,786 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:49,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:49,812 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:49,814 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 [2018-04-13 06:08:49,815 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,818 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:08:49,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:49,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:49,850 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 [2018-04-13 06:08:49,851 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,862 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 12 treesize of output 15 [2018-04-13 06:08:49,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:28 [2018-04-13 06:08:49,897 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:49,899 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 [2018-04-13 06:08:49,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,911 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:49,913 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 8 treesize of output 7 [2018-04-13 06:08:49,913 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,914 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,923 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,924 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-04-13 06:08:49,946 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 65 treesize of output 61 [2018-04-13 06:08:49,971 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 12 treesize of output 11 [2018-04-13 06:08:49,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:49,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,037 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 27 treesize of output 28 [2018-04-13 06:08:50,040 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 12 treesize of output 11 [2018-04-13 06:08:50,040 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,045 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,060 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:85, output treesize:69 [2018-04-13 06:08:50,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,090 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 46 [2018-04-13 06:08:50,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 06:08:50,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,136 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:60 [2018-04-13 06:08:50,157 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 53 treesize of output 45 [2018-04-13 06:08:50,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 63 [2018-04-13 06:08:50,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,196 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 32 treesize of output 35 [2018-04-13 06:08:50,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:08:50,199 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,203 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,213 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:86, output treesize:66 [2018-04-13 06:08:50,277 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 58 treesize of output 47 [2018-04-13 06:08:50,279 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 [2018-04-13 06:08:50,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:50,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2018-04-13 06:08:50,295 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:50,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:50,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-04-13 06:08:50,345 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 [2018-04-13 06:08:50,346 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,356 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 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:50,356 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:50,362 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:50,364 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 40 [2018-04-13 06:08:50,365 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 5 treesize of output 1 [2018-04-13 06:08:50,366 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 06:08:50,375 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,379 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,381 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 40 treesize of output 38 [2018-04-13 06:08:50,382 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 [2018-04-13 06:08:50,382 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2018-04-13 06:08:50,389 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,393 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:50,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 9 dim-0 vars, and 4 xjuncts. [2018-04-13 06:08:50,420 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 5 variables, input treesize:89, output treesize:129 [2018-04-13 06:08:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:50,533 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:50,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 06:08:50,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 06:08:50,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 06:08:50,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-04-13 06:08:50,534 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 17 states. [2018-04-13 06:08:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:51,434 INFO L93 Difference]: Finished difference Result 218 states and 237 transitions. [2018-04-13 06:08:51,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 06:08:51,435 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2018-04-13 06:08:51,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:51,435 INFO L225 Difference]: With dead ends: 218 [2018-04-13 06:08:51,435 INFO L226 Difference]: Without dead ends: 218 [2018-04-13 06:08:51,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=841, Unknown=0, NotChecked=0, Total=992 [2018-04-13 06:08:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-13 06:08:51,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2018-04-13 06:08:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:08:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 159 transitions. [2018-04-13 06:08:51,438 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 159 transitions. Word has length 44 [2018-04-13 06:08:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:51,438 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 159 transitions. [2018-04-13 06:08:51,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 06:08:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2018-04-13 06:08:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-13 06:08:51,438 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:51,438 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:08:51,438 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:51,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1293619996, now seen corresponding path program 1 times [2018-04-13 06:08:51,439 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:51,439 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:51,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:51,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:51,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:51,446 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:51,448 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:51,448 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:51,448 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:51,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:51,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:51,470 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 6 treesize of output 5 [2018-04-13 06:08:51,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,474 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:10 [2018-04-13 06:08:51,491 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:51,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:51,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 06:08:51,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,496 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-04-13 06:08:51,514 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:08:51,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:08:51,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-13 06:08:51,541 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-13 06:08:51,543 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 [2018-04-13 06:08:51,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,553 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. [2018-04-13 06:08:51,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-13 06:08:51,589 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-13 06:08:51,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:51,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-04-13 06:08:51,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:51,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:33 [2018-04-13 06:08:51,643 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-04-13 06:08:51,645 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 [2018-04-13 06:08:51,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:51,663 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 1 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 06:08:51,663 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:51,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:51,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:51,677 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:49, output treesize:16 [2018-04-13 06:08:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:51,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:51,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 06:08:51,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 06:08:51,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 06:08:51,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-04-13 06:08:51,729 INFO L87 Difference]: Start difference. First operand 144 states and 159 transitions. Second operand 14 states. [2018-04-13 06:08:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:52,195 INFO L93 Difference]: Finished difference Result 150 states and 164 transitions. [2018-04-13 06:08:52,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 06:08:52,195 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-04-13 06:08:52,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:52,195 INFO L225 Difference]: With dead ends: 150 [2018-04-13 06:08:52,195 INFO L226 Difference]: Without dead ends: 150 [2018-04-13 06:08:52,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-04-13 06:08:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-13 06:08:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2018-04-13 06:08:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:08:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2018-04-13 06:08:52,198 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 45 [2018-04-13 06:08:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:52,198 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2018-04-13 06:08:52,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 06:08:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2018-04-13 06:08:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 06:08:52,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:08:52,199 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:08:52,199 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:08:52,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1862490276, now seen corresponding path program 2 times [2018-04-13 06:08:52,200 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:08:52,200 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:08:52,200 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:52,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:08:52,200 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:08:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:08:52,209 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:08:52,212 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:08:52,213 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:08:52,213 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:08:52,213 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:08:52,235 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:08:52,235 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:08:52,238 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:08:52,252 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 [2018-04-13 06:08:52,253 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 [2018-04-13 06:08:52,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,265 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 [2018-04-13 06:08:52,267 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 [2018-04-13 06:08:52,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,268 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 06:08:52,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 06:08:52,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:08:52,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,301 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,315 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 06:08:52,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:08:52,318 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,322 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 06:08:52,351 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 32 treesize of output 25 [2018-04-13 06:08:52,353 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,354 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 58 [2018-04-13 06:08:52,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,377 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 30 treesize of output 23 [2018-04-13 06:08:52,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-04-13 06:08:52,383 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,388 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,398 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:64 [2018-04-13 06:08:52,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,448 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 [2018-04-13 06:08:52,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,462 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. [2018-04-13 06:08:52,462 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:66 [2018-04-13 06:08:52,508 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 39 treesize of output 40 [2018-04-13 06:08:52,510 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 [2018-04-13 06:08:52,510 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,518 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,546 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 37 treesize of output 38 [2018-04-13 06:08:52,548 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 8 treesize of output 7 [2018-04-13 06:08:52,548 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,556 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,581 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. [2018-04-13 06:08:52,581 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:83 [2018-04-13 06:08:52,612 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 9 treesize of output 1 [2018-04-13 06:08:52,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,645 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 139 treesize of output 117 [2018-04-13 06:08:52,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 121 [2018-04-13 06:08:52,666 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:52,721 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:52,782 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 138 treesize of output 113 [2018-04-13 06:08:52,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 133 [2018-04-13 06:08:52,797 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:52,889 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:52,893 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 136 treesize of output 111 [2018-04-13 06:08:52,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,897 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,897 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,898 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:52,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 127 [2018-04-13 06:08:52,901 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,918 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,922 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 132 treesize of output 107 [2018-04-13 06:08:52,925 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,925 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,927 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:52,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:52,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 121 [2018-04-13 06:08:52,931 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,948 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:52,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:52,998 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:164, output treesize:398 [2018-04-13 06:08:53,088 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 152 treesize of output 133 [2018-04-13 06:08:53,090 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 140 [2018-04-13 06:08:53,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,205 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 167 treesize of output 158 [2018-04-13 06:08:53,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,208 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 48 treesize of output 59 [2018-04-13 06:08:53,209 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,227 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,318 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 163 treesize of output 137 [2018-04-13 06:08:53,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 138 [2018-04-13 06:08:53,321 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,340 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,418 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 162 treesize of output 142 [2018-04-13 06:08:53,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 132 [2018-04-13 06:08:53,420 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,436 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,507 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 158 treesize of output 137 [2018-04-13 06:08:53,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 150 [2018-04-13 06:08:53,510 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,524 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,588 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 148 treesize of output 130 [2018-04-13 06:08:53,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:53,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 122 [2018-04-13 06:08:53,590 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,602 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:53,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:53,654 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:482, output treesize:458 [2018-04-13 06:08:54,721 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 162 [2018-04-13 06:08:54,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:54,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 181 [2018-04-13 06:08:54,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,742 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:54,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 90 [2018-04-13 06:08:54,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:54,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,829 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 56 treesize of output 47 [2018-04-13 06:08:54,829 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:54,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,854 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 42 treesize of output 35 [2018-04-13 06:08:54,854 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:54,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:54,858 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 57 treesize of output 48 [2018-04-13 06:08:54,858 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:54,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:55,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,106 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 163 [2018-04-13 06:08:55,110 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 85 [2018-04-13 06:08:55,124 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:55,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,170 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,171 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 06:08:55,171 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:55,207 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:55,428 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,428 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 175 [2018-04-13 06:08:55,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,462 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 149 [2018-04-13 06:08:55,462 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-04-13 06:08:55,497 INFO L267 ElimStorePlain]: Start of recursive call 11: 88 dim-0 vars, End of recursive call: 88 dim-0 vars, and 96 xjuncts. [2018-04-13 06:08:55,836 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,837 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,837 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 82 [2018-04-13 06:08:55,837 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:55,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,842 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,843 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 0 case distinctions, treesize of input 93 treesize of output 85 [2018-04-13 06:08:55,843 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:55,845 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,845 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,846 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 0 case distinctions, treesize of input 95 treesize of output 87 [2018-04-13 06:08:55,846 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:55,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:55,848 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:55,849 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 0 case distinctions, treesize of input 100 treesize of output 92 [2018-04-13 06:08:55,849 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:55,913 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-13 06:08:56,256 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 119 treesize of output 93 [2018-04-13 06:08:56,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,263 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 70 [2018-04-13 06:08:56,266 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:56,298 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-13 06:08:56,300 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 6 xjuncts. [2018-04-13 06:08:56,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:08:56,304 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 8 xjuncts. [2018-04-13 06:08:56,347 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:56,349 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 121 treesize of output 95 [2018-04-13 06:08:56,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,352 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 52 [2018-04-13 06:08:56,352 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:56,374 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,378 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:08:56,391 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:56,419 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:56,421 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 116 treesize of output 90 [2018-04-13 06:08:56,424 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,428 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,430 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 74 [2018-04-13 06:08:56,433 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-04-13 06:08:56,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-04-13 06:08:56,467 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:56,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-04-13 06:08:56,471 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 8 xjuncts. [2018-04-13 06:08:56,510 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:56,512 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 126 treesize of output 98 [2018-04-13 06:08:56,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 56 [2018-04-13 06:08:56,516 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:08:56,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,539 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 46 [2018-04-13 06:08:56,541 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:56,556 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:08:56,912 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 111 [2018-04-13 06:08:56,918 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:56,925 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 46 [2018-04-13 06:08:56,926 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:08:56,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:56,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 80 [2018-04-13 06:08:56,966 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:57,024 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:57,025 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:57,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 112 [2018-04-13 06:08:57,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,043 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,059 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 129 [2018-04-13 06:08:57,059 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:08:57,066 INFO L267 ElimStorePlain]: Start of recursive call 34: 28 dim-0 vars, End of recursive call: 28 dim-0 vars, and 30 xjuncts. [2018-04-13 06:08:57,182 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 14 treesize of output 11 [2018-04-13 06:08:57,183 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,202 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:08:57,204 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:57,205 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 99 [2018-04-13 06:08:57,208 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,211 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,212 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,214 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:57,248 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 38 treesize of output 141 [2018-04-13 06:08:57,248 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-13 06:08:57,283 INFO L267 ElimStorePlain]: Start of recursive call 37: 104 dim-0 vars, End of recursive call: 104 dim-0 vars, and 112 xjuncts. [2018-04-13 06:08:57,720 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 45 treesize of output 42 [2018-04-13 06:08:57,720 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,722 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 34 treesize of output 31 [2018-04-13 06:08:57,722 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,724 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 52 treesize of output 49 [2018-04-13 06:08:57,724 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,725 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 49 treesize of output 46 [2018-04-13 06:08:57,726 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,727 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 47 treesize of output 44 [2018-04-13 06:08:57,727 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-13 06:08:57,771 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:08:58,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,302 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 116 treesize of output 98 [2018-04-13 06:08:58,307 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,307 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,310 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:58,322 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 106 [2018-04-13 06:08:58,323 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-13 06:08:58,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:08:58,353 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 8 xjuncts. [2018-04-13 06:08:58,395 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:08:58,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,398 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 101 treesize of output 87 [2018-04-13 06:08:58,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,413 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:58,431 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 114 [2018-04-13 06:08:58,431 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:08:58,432 INFO L267 ElimStorePlain]: Start of recursive call 47: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-04-13 06:08:58,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-04-13 06:08:58,474 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 4 xjuncts. [2018-04-13 06:08:58,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:08:58,478 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 8 xjuncts. [2018-04-13 06:08:58,521 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:58,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,524 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 109 treesize of output 93 [2018-04-13 06:08:58,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,530 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:08:58,547 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 110 [2018-04-13 06:08:58,548 INFO L267 ElimStorePlain]: Start of recursive call 51: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-04-13 06:08:58,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2018-04-13 06:08:58,592 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 6 xjuncts. [2018-04-13 06:08:58,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:08:58,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-04-13 06:08:58,596 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 8 xjuncts. [2018-04-13 06:08:58,640 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:08:59,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 6 dim-2 vars, End of recursive call: and 17 xjuncts. [2018-04-13 06:08:59,279 INFO L202 ElimStorePlain]: Needed 53 recursive calls to eliminate 22 variables, input treesize:605, output treesize:317 [2018-04-13 06:08:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:08:59,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:08:59,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 06:08:59,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 06:08:59,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 06:08:59,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=493, Unknown=3, NotChecked=0, Total=552 [2018-04-13 06:08:59,470 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand 24 states. [2018-04-13 06:09:36,039 WARN L151 SmtUtils]: Spent 300ms on a formula simplification. DAG size of input: 188 DAG size of output 187 [2018-04-13 06:09:36,841 WARN L148 SmtUtils]: Spent 112ms on a formula simplification that was a NOOP. DAG size: 236 [2018-04-13 06:09:49,647 WARN L148 SmtUtils]: Spent 133ms on a formula simplification that was a NOOP. DAG size: 218 [2018-04-13 06:09:50,080 WARN L151 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 291 DAG size of output 140 [2018-04-13 06:09:50,582 WARN L148 SmtUtils]: Spent 104ms on a formula simplification that was a NOOP. DAG size: 174 [2018-04-13 06:09:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:09:50,889 INFO L93 Difference]: Finished difference Result 157 states and 170 transitions. [2018-04-13 06:09:50,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 06:09:50,890 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 47 [2018-04-13 06:09:50,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:09:50,890 INFO L225 Difference]: With dead ends: 157 [2018-04-13 06:09:50,890 INFO L226 Difference]: Without dead ends: 157 [2018-04-13 06:09:50,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=242, Invalid=1989, Unknown=25, NotChecked=0, Total=2256 [2018-04-13 06:09:50,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-13 06:09:50,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 149. [2018-04-13 06:09:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-13 06:09:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2018-04-13 06:09:50,892 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 47 [2018-04-13 06:09:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:09:50,892 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2018-04-13 06:09:50,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 06:09:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2018-04-13 06:09:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-13 06:09:50,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:09:50,893 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-13 06:09:50,893 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:09:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1902622778, now seen corresponding path program 2 times [2018-04-13 06:09:50,893 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:09:50,893 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:09:50,893 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:50,894 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:09:50,894 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:09:50,899 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:09:50,900 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:09:50,900 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:09:50,900 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:09:50,900 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:09:50,913 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:09:50,913 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:09:50,915 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:09:50,970 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 [2018-04-13 06:09:50,971 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 [2018-04-13 06:09:50,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:50,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:50,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:50,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-13 06:09:51,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,004 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 65 treesize of output 69 [2018-04-13 06:09:51,006 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 [2018-04-13 06:09:51,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,017 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. [2018-04-13 06:09:51,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:48 [2018-04-13 06:09:51,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,038 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 61 treesize of output 59 [2018-04-13 06:09:51,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 71 [2018-04-13 06:09:51,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,055 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. [2018-04-13 06:09:51,055 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:57 [2018-04-13 06:09:51,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,118 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 64 treesize of output 54 [2018-04-13 06:09:51,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2018-04-13 06:09:51,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 06:09:51,126 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,133 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:67, output treesize:26 [2018-04-13 06:09:51,198 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~y~0.base Int) (v_subst_9 Int)) (let ((.cse0 (store |c_old(#valid)| main_~y~0.base 1))) (and (= |c_#valid| (store (store .cse0 v_subst_9 0) main_~y~0.base 0)) (= (select .cse0 v_subst_9) 0) (= (select |c_old(#valid)| main_~y~0.base) 0)))) is different from true [2018-04-13 06:09:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2018-04-13 06:09:51,206 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:09:51,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 06:09:51,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 06:09:51,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 06:09:51,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=221, Unknown=14, NotChecked=30, Total=306 [2018-04-13 06:09:51,206 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand 18 states. [2018-04-13 06:09:51,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:09:51,686 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2018-04-13 06:09:51,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 06:09:51,721 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 48 [2018-04-13 06:09:51,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:09:51,721 INFO L225 Difference]: With dead ends: 152 [2018-04-13 06:09:51,721 INFO L226 Difference]: Without dead ends: 130 [2018-04-13 06:09:51,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=585, Unknown=15, NotChecked=50, Total=756 [2018-04-13 06:09:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-13 06:09:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2018-04-13 06:09:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-13 06:09:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2018-04-13 06:09:51,724 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 48 [2018-04-13 06:09:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:09:51,724 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2018-04-13 06:09:51,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 06:09:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2018-04-13 06:09:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-13 06:09:51,725 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:09:51,725 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-13 06:09:51,725 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:09:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1979372761, now seen corresponding path program 1 times [2018-04-13 06:09:51,725 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:09:51,725 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:09:51,726 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:51,726 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:09:51,726 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:09:51,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:09:51,744 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:09:51,744 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:09:51,744 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:09:51,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:09:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:09:51,777 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:09:51,779 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 6 treesize of output 5 [2018-04-13 06:09:51,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:09:51,794 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 [2018-04-13 06:09:51,796 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 [2018-04-13 06:09:51,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,797 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,802 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 06:09:51,814 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 [2018-04-13 06:09:51,817 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 [2018-04-13 06:09:51,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,831 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 25 treesize of output 20 [2018-04-13 06:09:51,833 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 06:09:51,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,849 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-04-13 06:09:51,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:51,895 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 11 treesize of output 12 [2018-04-13 06:09:51,896 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-04-13 06:09:51,935 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 [2018-04-13 06:09:51,937 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 8 treesize of output 7 [2018-04-13 06:09:51,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,957 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 26 treesize of output 35 [2018-04-13 06:09:51,959 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 [2018-04-13 06:09:51,960 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:51,975 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:54 [2018-04-13 06:09:52,002 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 49 treesize of output 38 [2018-04-13 06:09:52,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,007 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 23 treesize of output 35 [2018-04-13 06:09:52,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,038 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 65 treesize of output 55 [2018-04-13 06:09:52,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 39 [2018-04-13 06:09:52,041 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,049 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,059 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:94, output treesize:67 [2018-04-13 06:09:52,084 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 43 treesize of output 46 [2018-04-13 06:09:52,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:09:52,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,112 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 70 treesize of output 56 [2018-04-13 06:09:52,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 72 [2018-04-13 06:09:52,115 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,122 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,133 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:67 [2018-04-13 06:09:52,301 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:09:52,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 58 [2018-04-13 06:09:52,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:09:52,305 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,305 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 20 treesize of output 17 [2018-04-13 06:09:52,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,316 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:09:52,316 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 29 treesize of output 21 [2018-04-13 06:09:52,316 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,337 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 32 [2018-04-13 06:09:52,338 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:09:52,339 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:52,339 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 18 treesize of output 13 [2018-04-13 06:09:52,339 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,344 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:09:52,345 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 11 treesize of output 7 [2018-04-13 06:09:52,345 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,347 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:52,353 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:111, output treesize:13 [2018-04-13 06:09:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:09:52,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:09:52,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 06:09:52,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 06:09:52,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 06:09:52,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=301, Unknown=1, NotChecked=0, Total=342 [2018-04-13 06:09:52,391 INFO L87 Difference]: Start difference. First operand 129 states and 142 transitions. Second operand 19 states. [2018-04-13 06:09:53,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:09:53,340 INFO L93 Difference]: Finished difference Result 136 states and 146 transitions. [2018-04-13 06:09:53,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 06:09:53,340 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 49 [2018-04-13 06:09:53,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:09:53,341 INFO L225 Difference]: With dead ends: 136 [2018-04-13 06:09:53,341 INFO L226 Difference]: Without dead ends: 136 [2018-04-13 06:09:53,341 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=1309, Unknown=1, NotChecked=0, Total=1482 [2018-04-13 06:09:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-13 06:09:53,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2018-04-13 06:09:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-13 06:09:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2018-04-13 06:09:53,343 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 49 [2018-04-13 06:09:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:09:53,344 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2018-04-13 06:09:53,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 06:09:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2018-04-13 06:09:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-13 06:09:53,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:09:53,344 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:09:53,344 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:09:53,344 INFO L82 PathProgramCache]: Analyzing trace with hash -223541461, now seen corresponding path program 2 times [2018-04-13 06:09:53,345 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:09:53,345 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:09:53,345 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:53,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:09:53,345 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:09:53,351 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:09:53,354 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:09:53,354 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:09:53,354 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:09:53,355 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:09:53,381 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:09:53,382 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:09:53,384 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:09:53,398 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 [2018-04-13 06:09:53,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,402 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:09:53,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 06:09:53,428 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,434 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 12 treesize of output 15 [2018-04-13 06:09:53,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 06:09:53,456 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:09:53,457 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 [2018-04-13 06:09:53,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,467 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:09:53,468 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 8 treesize of output 7 [2018-04-13 06:09:53,468 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,469 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-04-13 06:09:53,491 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 27 treesize of output 28 [2018-04-13 06:09:53,492 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 12 treesize of output 11 [2018-04-13 06:09:53,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,507 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 48 treesize of output 44 [2018-04-13 06:09:53,508 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 12 treesize of output 11 [2018-04-13 06:09:53,509 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,519 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:55 [2018-04-13 06:09:53,535 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 34 treesize of output 37 [2018-04-13 06:09:53,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:09:53,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,557 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 53 treesize of output 45 [2018-04-13 06:09:53,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 55 [2018-04-13 06:09:53,559 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,565 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,574 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:75 [2018-04-13 06:09:53,633 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 33 [2018-04-13 06:09:53,634 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 [2018-04-13 06:09:53,634 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:53,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-13 06:09:53,642 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,645 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,662 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:89, output treesize:56 [2018-04-13 06:09:53,703 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 54 treesize of output 38 [2018-04-13 06:09:53,705 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 [2018-04-13 06:09:53,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,710 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 33 treesize of output 19 [2018-04-13 06:09:53,711 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,716 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:53,722 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:65, output treesize:24 [2018-04-13 06:09:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:09:53,792 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:09:53,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 06:09:53,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 06:09:53,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 06:09:53,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-04-13 06:09:53,793 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand 18 states. [2018-04-13 06:09:54,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:09:54,974 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2018-04-13 06:09:54,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 06:09:54,974 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 49 [2018-04-13 06:09:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:09:54,975 INFO L225 Difference]: With dead ends: 197 [2018-04-13 06:09:54,975 INFO L226 Difference]: Without dead ends: 197 [2018-04-13 06:09:54,975 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=457, Invalid=1349, Unknown=0, NotChecked=0, Total=1806 [2018-04-13 06:09:54,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-13 06:09:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 138. [2018-04-13 06:09:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-13 06:09:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 152 transitions. [2018-04-13 06:09:54,977 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 152 transitions. Word has length 49 [2018-04-13 06:09:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:09:54,977 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 152 transitions. [2018-04-13 06:09:54,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 06:09:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 152 transitions. [2018-04-13 06:09:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-13 06:09:54,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:09:54,977 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:09:54,978 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:09:54,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1660148340, now seen corresponding path program 3 times [2018-04-13 06:09:54,978 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:09:54,978 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:09:54,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:54,978 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:09:54,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:09:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:09:54,984 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:09:54,986 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:09:54,986 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:09:54,986 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:09:54,987 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:09:55,002 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:09:55,002 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:09:55,005 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:09:55,007 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 [2018-04-13 06:09:55,007 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,008 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:09:55,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:09:55,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,017 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. [2018-04-13 06:09:55,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-13 06:09:55,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 30 [2018-04-13 06:09:55,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,032 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 1 xjuncts. [2018-04-13 06:09:55,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2018-04-13 06:09:55,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 30 [2018-04-13 06:09:55,041 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,046 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. [2018-04-13 06:09:55,046 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2018-04-13 06:09:55,060 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 [2018-04-13 06:09:55,061 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 [2018-04-13 06:09:55,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,070 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 [2018-04-13 06:09:55,071 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 [2018-04-13 06:09:55,072 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,073 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,078 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-04-13 06:09:55,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,121 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-04-13 06:09:55,121 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,139 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 64 [2018-04-13 06:09:55,143 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-04-13 06:09:55,143 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,160 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 52 treesize of output 51 [2018-04-13 06:09:55,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,167 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,184 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-04-13 06:09:55,186 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 44 treesize of output 43 [2018-04-13 06:09:55,186 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,205 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 52 [2018-04-13 06:09:55,206 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,231 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,241 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:73, output treesize:85 [2018-04-13 06:09:55,272 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 58 treesize of output 49 [2018-04-13 06:09:55,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2018-04-13 06:09:55,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,317 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 87 [2018-04-13 06:09:55,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 88 [2018-04-13 06:09:55,323 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 89 [2018-04-13 06:09:55,370 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,403 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,442 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 90 [2018-04-13 06:09:55,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,445 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 75 treesize of output 84 [2018-04-13 06:09:55,446 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 100 [2018-04-13 06:09:55,489 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,514 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:09:55,543 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 54 treesize of output 49 [2018-04-13 06:09:55,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 47 [2018-04-13 06:09:55,546 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,553 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:09:55,577 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:137, output treesize:181 [2018-04-13 06:09:55,699 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 1 case distinctions, treesize of input 93 treesize of output 91 [2018-04-13 06:09:55,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 78 [2018-04-13 06:09:55,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:09:55,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 85 [2018-04-13 06:09:55,741 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-13 06:09:55,807 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,809 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,812 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:55,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 110 [2018-04-13 06:09:55,823 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-13 06:09:55,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 9 xjuncts. [2018-04-13 06:09:56,139 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 60 [2018-04-13 06:09:56,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:56,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:56,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 33 [2018-04-13 06:09:56,157 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-13 06:09:56,177 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:09:56,379 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 76 treesize of output 68 [2018-04-13 06:09:56,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:56,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:09:56,389 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 2 case distinctions, treesize of input 37 treesize of output 50 [2018-04-13 06:09:56,389 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-13 06:09:56,414 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:09:56,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-2 vars, End of recursive call: 26 dim-0 vars, and 15 xjuncts. [2018-04-13 06:09:56,650 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:250, output treesize:946 [2018-04-13 06:11:01,475 WARN L151 SmtUtils]: Spent 64756ms on a formula simplification. DAG size of input: 320 DAG size of output 262 [2018-04-13 06:11:02,143 WARN L148 SmtUtils]: Spent 537ms on a formula simplification that was a NOOP. DAG size: 262 [2018-04-13 06:11:02,150 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 56 treesize of output 46 [2018-04-13 06:11:02,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2018-04-13 06:11:02,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:02,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:11:02,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 67 [2018-04-13 06:11:02,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 45 [2018-04-13 06:11:02,420 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:02,430 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 [2018-04-13 06:11:02,430 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:02,435 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:02,627 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2018-04-13 06:11:02,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 55 [2018-04-13 06:11:02,638 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:02,674 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:11:02,906 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 85 [2018-04-13 06:11:02,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:02,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 97 [2018-04-13 06:11:02,916 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:02,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 06:11:02,967 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:02,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2018-04-13 06:11:02,968 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,009 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:11:03,251 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 71 [2018-04-13 06:11:03,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,255 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 83 [2018-04-13 06:11:03,260 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:03,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2018-04-13 06:11:03,301 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,302 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 32 treesize of output 25 [2018-04-13 06:11:03,302 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,333 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:11:03,588 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 50 [2018-04-13 06:11:03,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-04-13 06:11:03,594 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,603 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,846 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 77 [2018-04-13 06:11:03,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:03,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2018-04-13 06:11:03,853 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-04-13 06:11:03,888 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:03,909 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:04,128 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2018-04-13 06:11:04,130 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 51 [2018-04-13 06:11:04,136 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:04,155 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:11:04,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 63 [2018-04-13 06:11:04,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 53 [2018-04-13 06:11:04,377 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:04,406 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 [2018-04-13 06:11:04,406 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:04,421 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:11:04,660 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 81 [2018-04-13 06:11:04,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2018-04-13 06:11:04,661 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:04,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 78 [2018-04-13 06:11:04,704 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:04,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 72 [2018-04-13 06:11:04,755 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:04,774 INFO L267 ElimStorePlain]: Start of recursive call 27: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:04,987 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 83 [2018-04-13 06:11:04,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:04,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:05,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 100 [2018-04-13 06:11:05,011 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:05,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:05,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:05,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 91 [2018-04-13 06:11:05,112 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:05,198 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 61 treesize of output 54 [2018-04-13 06:11:05,198 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:05,199 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 49 treesize of output 42 [2018-04-13 06:11:05,199 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:05,248 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:11:05,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 21 dim-0 vars, 11 dim-2 vars, End of recursive call: and 15 xjuncts. [2018-04-13 06:11:05,521 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 32 variables, input treesize:807, output treesize:1141 [2018-04-13 06:11:05,673 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 112 DAG size of output 29 [2018-04-13 06:11:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-13 06:11:05,736 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:11:05,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 06:11:05,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 06:11:05,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 06:11:05,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=192, Unknown=5, NotChecked=0, Total=240 [2018-04-13 06:11:05,736 INFO L87 Difference]: Start difference. First operand 138 states and 152 transitions. Second operand 16 states. [2018-04-13 06:11:22,114 WARN L151 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 123 DAG size of output 118 [2018-04-13 06:11:28,652 WARN L151 SmtUtils]: Spent 2204ms on a formula simplification. DAG size of input: 336 DAG size of output 326 [2018-04-13 06:11:29,687 WARN L151 SmtUtils]: Spent 904ms on a formula simplification. DAG size of input: 272 DAG size of output 264 [2018-04-13 06:11:30,688 WARN L151 SmtUtils]: Spent 934ms on a formula simplification. DAG size of input: 293 DAG size of output 268 [2018-04-13 06:11:31,760 WARN L151 SmtUtils]: Spent 919ms on a formula simplification. DAG size of input: 274 DAG size of output 266 [2018-04-13 06:11:32,424 WARN L148 SmtUtils]: Spent 530ms on a formula simplification that was a NOOP. DAG size: 268 [2018-04-13 06:11:32,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:11:32,579 INFO L93 Difference]: Finished difference Result 143 states and 155 transitions. [2018-04-13 06:11:32,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 06:11:32,580 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2018-04-13 06:11:32,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:11:32,580 INFO L225 Difference]: With dead ends: 143 [2018-04-13 06:11:32,580 INFO L226 Difference]: Without dead ends: 143 [2018-04-13 06:11:32,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 72.4s TimeCoverageRelationStatistics Valid=267, Invalid=839, Unknown=16, NotChecked=0, Total=1122 [2018-04-13 06:11:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-13 06:11:32,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2018-04-13 06:11:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-13 06:11:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 151 transitions. [2018-04-13 06:11:32,583 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 151 transitions. Word has length 50 [2018-04-13 06:11:32,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:11:32,583 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 151 transitions. [2018-04-13 06:11:32,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 06:11:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2018-04-13 06:11:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-13 06:11:32,584 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:11:32,584 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:11:32,584 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:11:32,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1132313582, now seen corresponding path program 1 times [2018-04-13 06:11:32,584 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:11:32,585 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:11:32,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:32,585 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:11:32,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:32,593 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:11:32,596 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:11:32,596 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:11:32,596 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:11:32,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:11:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:32,623 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:11:32,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:11:32,632 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:11:32,647 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 [2018-04-13 06:11:32,648 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 [2018-04-13 06:11:32,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,656 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 [2018-04-13 06:11:32,657 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 [2018-04-13 06:11:32,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 06:11:32,674 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 21 treesize of output 16 [2018-04-13 06:11:32,676 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:11:32,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 06:11:32,700 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:11:32,701 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,704 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,711 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 06:11:32,724 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 30 treesize of output 23 [2018-04-13 06:11:32,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-04-13 06:11:32,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,748 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 32 treesize of output 25 [2018-04-13 06:11:32,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 60 [2018-04-13 06:11:32,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,757 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,766 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:64 [2018-04-13 06:11:32,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,794 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 11 treesize of output 12 [2018-04-13 06:11:32,795 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:63 [2018-04-13 06:11:32,837 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 39 treesize of output 40 [2018-04-13 06:11:32,839 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 [2018-04-13 06:11:32,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,860 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 37 treesize of output 38 [2018-04-13 06:11:32,861 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 8 treesize of output 7 [2018-04-13 06:11:32,861 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,865 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,876 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:88, output treesize:80 [2018-04-13 06:11:32,900 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 156 [2018-04-13 06:11:32,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 118 [2018-04-13 06:11:32,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,938 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 142 treesize of output 120 [2018-04-13 06:11:32,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 116 [2018-04-13 06:11:32,943 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:32,962 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:184, output treesize:134 [2018-04-13 06:11:32,986 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 136 treesize of output 123 [2018-04-13 06:11:32,988 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:32,989 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 115 treesize of output 138 [2018-04-13 06:11:32,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,018 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 130 treesize of output 110 [2018-04-13 06:11:33,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 132 [2018-04-13 06:11:33,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,030 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,043 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:160, output treesize:134 [2018-04-13 06:11:33,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,218 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 103 [2018-04-13 06:11:33,221 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 87 treesize of output 69 [2018-04-13 06:11:33,221 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:11:33,242 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,243 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,246 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 60 [2018-04-13 06:11:33,254 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:11:33,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:11:33,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 13 dim-0 vars, and 3 xjuncts. [2018-04-13 06:11:33,326 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:170, output treesize:292 [2018-04-13 06:11:33,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,529 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 91 [2018-04-13 06:11:33,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 71 [2018-04-13 06:11:33,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-13 06:11:33,564 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,623 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 89 [2018-04-13 06:11:33,626 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,627 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 26 treesize of output 19 [2018-04-13 06:11:33,627 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,645 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 81 [2018-04-13 06:11:33,655 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:33,713 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:11:33,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:33,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 81 [2018-04-13 06:11:33,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,776 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,777 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,779 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:33,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 85 [2018-04-13 06:11:33,792 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-04-13 06:11:33,861 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 16 treesize of output 11 [2018-04-13 06:11:33,861 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,862 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 8 [2018-04-13 06:11:33,862 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,863 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 13 [2018-04-13 06:11:33,863 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-13 06:11:33,864 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:33,886 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:11:33,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-13 06:11:33,983 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 16 variables, input treesize:319, output treesize:351 [2018-04-13 06:11:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:11:34,111 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:11:34,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 06:11:34,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 06:11:34,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 06:11:34,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2018-04-13 06:11:34,111 INFO L87 Difference]: Start difference. First operand 138 states and 151 transitions. Second operand 23 states. [2018-04-13 06:11:35,479 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 162 DAG size of output 130 [2018-04-13 06:11:35,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:11:35,864 INFO L93 Difference]: Finished difference Result 149 states and 161 transitions. [2018-04-13 06:11:35,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 06:11:35,864 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2018-04-13 06:11:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:11:35,865 INFO L225 Difference]: With dead ends: 149 [2018-04-13 06:11:35,865 INFO L226 Difference]: Without dead ends: 149 [2018-04-13 06:11:35,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=201, Invalid=1691, Unknown=0, NotChecked=0, Total=1892 [2018-04-13 06:11:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-04-13 06:11:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2018-04-13 06:11:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-13 06:11:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 156 transitions. [2018-04-13 06:11:35,867 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 156 transitions. Word has length 53 [2018-04-13 06:11:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:11:35,867 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 156 transitions. [2018-04-13 06:11:35,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 06:11:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-04-13 06:11:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-13 06:11:35,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:11:35,868 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-13 06:11:35,868 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:11:35,868 INFO L82 PathProgramCache]: Analyzing trace with hash -741983604, now seen corresponding path program 1 times [2018-04-13 06:11:35,868 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:11:35,868 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:11:35,869 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:35,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:11:35,869 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:35,876 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:11:35,880 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:11:35,880 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:11:35,880 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:11:35,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:11:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:35,904 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:11:35,968 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 8 [2018-04-13 06:11:35,969 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 [2018-04-13 06:11:35,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:35,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:35,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:35,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:33 [2018-04-13 06:11:35,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:35,994 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 56 treesize of output 60 [2018-04-13 06:11:35,995 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 [2018-04-13 06:11:35,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,005 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. [2018-04-13 06:11:36,005 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-04-13 06:11:36,020 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 [2018-04-13 06:11:36,021 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,028 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. [2018-04-13 06:11:36,028 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:74 [2018-04-13 06:11:36,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,050 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,051 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 13 treesize of output 14 [2018-04-13 06:11:36,051 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,065 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 79 treesize of output 75 [2018-04-13 06:11:36,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 97 [2018-04-13 06:11:36,068 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,077 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:11:36,084 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:99, output treesize:81 [2018-04-13 06:11:36,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,290 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 101 treesize of output 85 [2018-04-13 06:11:36,291 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 [2018-04-13 06:11:36,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 47 [2018-04-13 06:11:36,302 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,332 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 101 treesize of output 85 [2018-04-13 06:11:36,333 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 [2018-04-13 06:11:36,334 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:36,345 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 65 treesize of output 47 [2018-04-13 06:11:36,345 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,353 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:36,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:11:36,369 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:203, output treesize:89 [2018-04-13 06:11:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:11:36,647 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:11:36,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 06:11:36,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 06:11:36,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 06:11:36,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2018-04-13 06:11:36,648 INFO L87 Difference]: Start difference. First operand 143 states and 156 transitions. Second operand 24 states. [2018-04-13 06:11:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:11:37,669 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2018-04-13 06:11:37,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 06:11:37,669 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2018-04-13 06:11:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:11:37,670 INFO L225 Difference]: With dead ends: 147 [2018-04-13 06:11:37,670 INFO L226 Difference]: Without dead ends: 120 [2018-04-13 06:11:37,670 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=1130, Unknown=0, NotChecked=0, Total=1260 [2018-04-13 06:11:37,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-04-13 06:11:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2018-04-13 06:11:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-13 06:11:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2018-04-13 06:11:37,672 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 54 [2018-04-13 06:11:37,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:11:37,672 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2018-04-13 06:11:37,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 06:11:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2018-04-13 06:11:37,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-13 06:11:37,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:11:37,672 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:11:37,672 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:11:37,672 INFO L82 PathProgramCache]: Analyzing trace with hash -319125889, now seen corresponding path program 2 times [2018-04-13 06:11:37,672 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:11:37,672 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:11:37,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:37,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:11:37,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:37,683 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:11:37,686 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:11:37,686 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:11:37,686 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:11:37,687 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:11:37,702 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:11:37,702 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:11:37,704 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:11:37,741 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 [2018-04-13 06:11:37,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,745 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:11:37,754 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 [2018-04-13 06:11:37,755 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 [2018-04-13 06:11:37,755 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,761 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 15 treesize of output 12 [2018-04-13 06:11:37,762 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 12 treesize of output 11 [2018-04-13 06:11:37,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,763 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,767 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-04-13 06:11:37,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,782 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 [2018-04-13 06:11:37,782 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,785 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:22 [2018-04-13 06:11:37,804 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 [2018-04-13 06:11:37,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-04-13 06:11:37,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,817 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 24 [2018-04-13 06:11:37,818 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 [2018-04-13 06:11:37,818 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,821 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:43 [2018-04-13 06:11:37,844 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 73 treesize of output 63 [2018-04-13 06:11:37,845 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 39 [2018-04-13 06:11:37,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,862 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 38 treesize of output 33 [2018-04-13 06:11:37,863 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 23 [2018-04-13 06:11:37,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,867 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,874 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:67 [2018-04-13 06:11:37,892 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 70 treesize of output 56 [2018-04-13 06:11:37,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 72 [2018-04-13 06:11:37,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,901 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 48 [2018-04-13 06:11:37,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:37,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:11:37,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,924 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:37,932 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:95, output treesize:87 [2018-04-13 06:11:38,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:38,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2018-04-13 06:11:38,116 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:38,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:38,122 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 06:11:38,123 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:11:38,135 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 40 treesize of output 22 [2018-04-13 06:11:38,135 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,147 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 45 treesize of output 37 [2018-04-13 06:11:38,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:38,148 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 16 treesize of output 8 [2018-04-13 06:11:38,148 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,154 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:38,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:38,154 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 18 treesize of output 13 [2018-04-13 06:11:38,155 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,157 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:38,160 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:110, output treesize:12 [2018-04-13 06:11:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:11:38,184 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:11:38,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 06:11:38,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 06:11:38,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 06:11:38,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:11:38,185 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand 20 states. [2018-04-13 06:11:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:11:39,859 INFO L93 Difference]: Finished difference Result 172 states and 188 transitions. [2018-04-13 06:11:39,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 06:11:39,859 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 54 [2018-04-13 06:11:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:11:39,860 INFO L225 Difference]: With dead ends: 172 [2018-04-13 06:11:39,860 INFO L226 Difference]: Without dead ends: 172 [2018-04-13 06:11:39,860 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=383, Invalid=1779, Unknown=0, NotChecked=0, Total=2162 [2018-04-13 06:11:39,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-13 06:11:39,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2018-04-13 06:11:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:11:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2018-04-13 06:11:39,862 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 54 [2018-04-13 06:11:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:11:39,862 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2018-04-13 06:11:39,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 06:11:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2018-04-13 06:11:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-13 06:11:39,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:11:39,863 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:11:39,863 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:11:39,863 INFO L82 PathProgramCache]: Analyzing trace with hash 631186664, now seen corresponding path program 1 times [2018-04-13 06:11:39,863 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:11:39,863 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:11:39,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:39,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:11:39,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:11:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:39,873 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:11:39,877 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:11:39,877 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:11:39,877 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:11:39,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:11:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:11:39,911 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:11:39,915 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 6 treesize of output 5 [2018-04-13 06:11:39,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,919 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:11:39,929 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 [2018-04-13 06:11:39,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,932 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-04-13 06:11:39,946 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 [2018-04-13 06:11:39,948 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 [2018-04-13 06:11:39,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,949 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-13 06:11:39,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:39,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:39,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 06:11:39,979 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:39,984 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-13 06:11:40,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:11:40,021 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 8 treesize of output 7 [2018-04-13 06:11:40,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,037 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 26 [2018-04-13 06:11:40,039 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 [2018-04-13 06:11:40,039 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,043 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,050 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:45, output treesize:41 [2018-04-13 06:11:40,070 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 82 treesize of output 77 [2018-04-13 06:11:40,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,073 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 30 treesize of output 51 [2018-04-13 06:11:40,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,092 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 68 treesize of output 64 [2018-04-13 06:11:40,094 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 18 treesize of output 17 [2018-04-13 06:11:40,094 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,105 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:93, output treesize:77 [2018-04-13 06:11:40,123 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 73 treesize of output 65 [2018-04-13 06:11:40,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 75 [2018-04-13 06:11:40,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,132 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,145 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 81 treesize of output 76 [2018-04-13 06:11:40,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 93 [2018-04-13 06:11:40,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,157 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,166 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:105, output treesize:97 [2018-04-13 06:11:40,282 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 85 treesize of output 72 [2018-04-13 06:11:40,283 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 1 [2018-04-13 06:11:40,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 79 [2018-04-13 06:11:40,306 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:11:40,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:11:40,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 16 dim-0 vars, and 6 xjuncts. [2018-04-13 06:11:40,420 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:129, output treesize:496 [2018-04-13 06:11:40,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,899 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 65 treesize of output 55 [2018-04-13 06:11:40,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,904 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:40,905 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:11:40,913 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 72 [2018-04-13 06:11:40,913 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:11:40,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:11:40,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-04-13 06:11:40,928 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:11:40,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:11:40,935 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:84, output treesize:3 [2018-04-13 06:11:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:11:40,967 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:11:40,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 06:11:40,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 06:11:40,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 06:11:40,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2018-04-13 06:11:40,967 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand 24 states. [2018-04-13 06:12:49,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:12:49,728 INFO L93 Difference]: Finished difference Result 172 states and 184 transitions. [2018-04-13 06:12:49,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-13 06:12:49,729 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 55 [2018-04-13 06:12:49,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:12:49,729 INFO L225 Difference]: With dead ends: 172 [2018-04-13 06:12:49,729 INFO L226 Difference]: Without dead ends: 172 [2018-04-13 06:12:49,730 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=538, Invalid=2882, Unknown=2, NotChecked=0, Total=3422 [2018-04-13 06:12:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-13 06:12:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2018-04-13 06:12:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:12:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 157 transitions. [2018-04-13 06:12:49,731 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 157 transitions. Word has length 55 [2018-04-13 06:12:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:12:49,731 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 157 transitions. [2018-04-13 06:12:49,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 06:12:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2018-04-13 06:12:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-13 06:12:49,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:12:49,732 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:12:49,732 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:12:49,732 INFO L82 PathProgramCache]: Analyzing trace with hash 204383357, now seen corresponding path program 1 times [2018-04-13 06:12:49,732 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:12:49,732 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:12:49,732 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:49,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:49,732 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:49,741 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:12:49,744 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:12:49,744 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:12:49,744 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:12:49,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:49,774 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:12:49,776 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 [2018-04-13 06:12:49,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,791 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:12:49,807 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,808 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 [2018-04-13 06:12:49,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-13 06:12:49,828 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:12:49,829 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 [2018-04-13 06:12:49,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,842 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:12:49,844 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 8 treesize of output 7 [2018-04-13 06:12:49,844 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,848 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,856 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:38, output treesize:30 [2018-04-13 06:12:49,880 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 73 treesize of output 74 [2018-04-13 06:12:49,883 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 18 treesize of output 17 [2018-04-13 06:12:49,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,905 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 75 treesize of output 71 [2018-04-13 06:12:49,906 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 18 treesize of output 17 [2018-04-13 06:12:49,907 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,912 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,921 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:98, output treesize:82 [2018-04-13 06:12:49,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 39 [2018-04-13 06:12:49,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 06:12:49,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:49,966 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:77 [2018-04-13 06:12:49,991 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 70 treesize of output 67 [2018-04-13 06:12:49,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:49,994 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 59 treesize of output 72 [2018-04-13 06:12:49,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,018 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-04-13 06:12:50,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:50,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:50,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2018-04-13 06:12:50,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,029 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,040 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:103, output treesize:89 [2018-04-13 06:12:50,101 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 86 treesize of output 73 [2018-04-13 06:12:50,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-04-13 06:12:50,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:50,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:50,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 66 [2018-04-13 06:12:50,121 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:50,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:50,185 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 62 treesize of output 52 [2018-04-13 06:12:50,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-04-13 06:12:50,187 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 06:12:50,197 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,203 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,205 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 58 treesize of output 48 [2018-04-13 06:12:50,210 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 1 case distinctions, treesize of input 29 treesize of output 26 [2018-04-13 06:12:50,210 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:12:50,224 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 18 treesize of output 11 [2018-04-13 06:12:50,224 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,225 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 15 [2018-04-13 06:12:50,225 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,235 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:12:50,237 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 56 treesize of output 46 [2018-04-13 06:12:50,238 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 9 treesize of output 1 [2018-04-13 06:12:50,238 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,246 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 [2018-04-13 06:12:50,247 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,251 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:50,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-04-13 06:12:50,282 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:112, output treesize:95 [2018-04-13 06:12:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:12:50,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:12:50,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 06:12:50,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 06:12:50,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 06:12:50,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-04-13 06:12:50,387 INFO L87 Difference]: Start difference. First operand 144 states and 157 transitions. Second operand 16 states. [2018-04-13 06:12:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:12:53,774 INFO L93 Difference]: Finished difference Result 147 states and 158 transitions. [2018-04-13 06:12:53,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 06:12:53,775 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2018-04-13 06:12:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:12:53,775 INFO L225 Difference]: With dead ends: 147 [2018-04-13 06:12:53,775 INFO L226 Difference]: Without dead ends: 147 [2018-04-13 06:12:53,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=222, Invalid=833, Unknown=1, NotChecked=0, Total=1056 [2018-04-13 06:12:53,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-13 06:12:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2018-04-13 06:12:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:12:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 156 transitions. [2018-04-13 06:12:53,776 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 156 transitions. Word has length 55 [2018-04-13 06:12:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:12:53,777 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 156 transitions. [2018-04-13 06:12:53,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 06:12:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 156 transitions. [2018-04-13 06:12:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-13 06:12:53,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:12:53,777 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:12:53,777 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:12:53,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1908049789, now seen corresponding path program 1 times [2018-04-13 06:12:53,778 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:12:53,778 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:12:53,778 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:53,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:53,778 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:53,787 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:12:53,791 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:12:53,792 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:12:53,792 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:12:53,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:53,831 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:12:53,861 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 06:12:53,861 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,865 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-13 06:12:53,876 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 [2018-04-13 06:12:53,877 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 [2018-04-13 06:12:53,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,884 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-13 06:12:53,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:53,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:53,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:53,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2018-04-13 06:12:53,909 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,918 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:35 [2018-04-13 06:12:53,954 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 29 treesize of output 30 [2018-04-13 06:12:53,956 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 8 treesize of output 7 [2018-04-13 06:12:53,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:12:53,980 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 [2018-04-13 06:12:53,980 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,981 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:53,990 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:60, output treesize:52 [2018-04-13 06:12:54,012 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 81 treesize of output 65 [2018-04-13 06:12:54,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-04-13 06:12:54,015 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,037 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 27 treesize of output 28 [2018-04-13 06:12:54,038 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 12 treesize of output 11 [2018-04-13 06:12:54,039 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,042 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:96, output treesize:80 [2018-04-13 06:12:54,077 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 78 treesize of output 62 [2018-04-13 06:12:54,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 80 [2018-04-13 06:12:54,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,115 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 34 treesize of output 37 [2018-04-13 06:12:54,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,118 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:12:54,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,125 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,138 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:100 [2018-04-13 06:12:54,214 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 33 [2018-04-13 06:12:54,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,225 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 2 case distinctions, treesize of input 20 treesize of output 33 [2018-04-13 06:12:54,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:12:54,249 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 [2018-04-13 06:12:54,249 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,259 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:12:54,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:54,285 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:123, output treesize:290 [2018-04-13 06:12:54,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 48 [2018-04-13 06:12:54,730 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:12:54,747 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:111, output treesize:67 [2018-04-13 06:12:54,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,815 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:12:54,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-04-13 06:12:54,818 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:12:54,826 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 43 [2018-04-13 06:12:54,827 INFO L267 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:54,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,848 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 23 treesize of output 15 [2018-04-13 06:12:54,848 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:54,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2018-04-13 06:12:54,854 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 06:12:54,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:54,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-13 06:12:54,859 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:12:54,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:54,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-04-13 06:12:54,892 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:68, output treesize:49 [2018-04-13 06:12:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:12:54,939 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:12:54,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 06:12:54,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 06:12:54,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 06:12:54,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2018-04-13 06:12:54,940 INFO L87 Difference]: Start difference. First operand 144 states and 156 transitions. Second operand 24 states. [2018-04-13 06:12:59,249 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 169 DAG size of output 71 [2018-04-13 06:12:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:12:59,891 INFO L93 Difference]: Finished difference Result 169 states and 182 transitions. [2018-04-13 06:12:59,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-13 06:12:59,891 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 56 [2018-04-13 06:12:59,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:12:59,892 INFO L225 Difference]: With dead ends: 169 [2018-04-13 06:12:59,892 INFO L226 Difference]: Without dead ends: 169 [2018-04-13 06:12:59,893 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=873, Invalid=3414, Unknown=3, NotChecked=0, Total=4290 [2018-04-13 06:12:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-13 06:12:59,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 144. [2018-04-13 06:12:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:12:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2018-04-13 06:12:59,894 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 56 [2018-04-13 06:12:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:12:59,894 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2018-04-13 06:12:59,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 06:12:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2018-04-13 06:12:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-13 06:12:59,894 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:12:59,894 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:12:59,894 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:12:59,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2040915810, now seen corresponding path program 1 times [2018-04-13 06:12:59,895 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:12:59,895 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:12:59,895 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:59,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:59,895 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:12:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:59,901 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:12:59,903 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:12:59,903 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:12:59,903 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:12:59,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:12:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:12:59,925 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:12:59,940 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 6 treesize of output 5 [2018-04-13 06:12:59,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:10 [2018-04-13 06:12:59,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:59,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:12:59,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 06:12:59,956 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,959 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-04-13 06:12:59,988 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:12:59,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:12:59,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:12:59,996 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-13 06:13:00,014 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-13 06:13:00,015 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 [2018-04-13 06:13:00,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,021 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,027 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. [2018-04-13 06:13:00,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-13 06:13:00,049 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-13 06:13:00,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-04-13 06:13:00,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,058 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:13:00,063 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:33 [2018-04-13 06:13:00,090 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-04-13 06:13:00,092 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 [2018-04-13 06:13:00,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,099 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 1 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 06:13:00,099 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:13:00,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:00,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:00,110 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:49, output treesize:16 [2018-04-13 06:13:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:13:00,146 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:13:00,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 06:13:00,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 06:13:00,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 06:13:00,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-04-13 06:13:00,147 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand 14 states. [2018-04-13 06:13:00,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:13:00,613 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-04-13 06:13:00,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 06:13:00,613 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2018-04-13 06:13:00,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:13:00,614 INFO L225 Difference]: With dead ends: 152 [2018-04-13 06:13:00,614 INFO L226 Difference]: Without dead ends: 152 [2018-04-13 06:13:00,614 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2018-04-13 06:13:00,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-13 06:13:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144. [2018-04-13 06:13:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-13 06:13:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2018-04-13 06:13:00,616 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 56 [2018-04-13 06:13:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:13:00,616 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 154 transitions. [2018-04-13 06:13:00,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 06:13:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2018-04-13 06:13:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-13 06:13:00,616 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:13:00,616 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:13:00,616 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:13:00,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1156089410, now seen corresponding path program 1 times [2018-04-13 06:13:00,616 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:13:00,616 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:13:00,617 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:00,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:13:00,617 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:00,627 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:13:00,630 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:13:00,630 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:13:00,630 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:13:00,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:13:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:00,664 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:13:00,672 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 [2018-04-13 06:13:00,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,677 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 [2018-04-13 06:13:00,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,681 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:13:00,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,703 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 12 treesize of output 15 [2018-04-13 06:13:00,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,713 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 11 treesize of output 12 [2018-04-13 06:13:00,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,719 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 06:13:00,743 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:00,744 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 8 treesize of output 7 [2018-04-13 06:13:00,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,759 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:00,761 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 [2018-04-13 06:13:00,761 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,763 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,773 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-04-13 06:13:00,792 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 68 treesize of output 64 [2018-04-13 06:13:00,794 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 18 treesize of output 17 [2018-04-13 06:13:00,794 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,810 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 50 treesize of output 51 [2018-04-13 06:13:00,811 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 18 treesize of output 17 [2018-04-13 06:13:00,812 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,815 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,822 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:67 [2018-04-13 06:13:00,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,846 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 4 case distinctions, treesize of input 21 treesize of output 40 [2018-04-13 06:13:00,846 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2018-04-13 06:13:00,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:13:00,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:213 [2018-04-13 06:13:00,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,938 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 89 treesize of output 88 [2018-04-13 06:13:00,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:00,941 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 57 [2018-04-13 06:13:00,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:00,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,014 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 85 treesize of output 83 [2018-04-13 06:13:01,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 71 [2018-04-13 06:13:01,016 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,026 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,081 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 98 treesize of output 97 [2018-04-13 06:13:01,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,084 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 57 [2018-04-13 06:13:01,085 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,099 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,145 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,147 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 85 treesize of output 84 [2018-04-13 06:13:01,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,150 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 57 [2018-04-13 06:13:01,150 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,162 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,204 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 94 treesize of output 86 [2018-04-13 06:13:01,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 75 [2018-04-13 06:13:01,207 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,219 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,261 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 81 treesize of output 81 [2018-04-13 06:13:01,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 67 [2018-04-13 06:13:01,263 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,273 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:13:01,306 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:273, output treesize:219 [2018-04-13 06:13:01,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,451 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 95 treesize of output 92 [2018-04-13 06:13:01,452 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 1 [2018-04-13 06:13:01,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 46 [2018-04-13 06:13:01,474 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-13 06:13:01,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:01,553 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,554 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 57 treesize of output 53 [2018-04-13 06:13:01,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 06:13:01,556 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:13:01,565 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 [2018-04-13 06:13:01,565 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,573 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,574 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,575 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 47 treesize of output 43 [2018-04-13 06:13:01,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-04-13 06:13:01,580 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:01,594 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 14 treesize of output 7 [2018-04-13 06:13:01,594 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-13 06:13:01,595 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,604 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:01,668 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 98 treesize of output 87 [2018-04-13 06:13:01,670 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 1 [2018-04-13 06:13:01,670 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 56 [2018-04-13 06:13:01,693 INFO L267 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:01,725 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:01,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,833 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 88 treesize of output 85 [2018-04-13 06:13:01,834 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 1 [2018-04-13 06:13:01,835 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:01,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:01,865 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 47 [2018-04-13 06:13:01,866 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:01,907 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:02,213 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:02,214 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 53 treesize of output 49 [2018-04-13 06:13:02,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-04-13 06:13:02,226 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:02,243 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 14 treesize of output 7 [2018-04-13 06:13:02,243 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,244 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 8 [2018-04-13 06:13:02,244 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,259 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:02,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:02,270 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 57 treesize of output 53 [2018-04-13 06:13:02,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 06:13:02,272 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:13:02,284 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 [2018-04-13 06:13:02,284 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,293 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:02,296 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 54 treesize of output 50 [2018-04-13 06:13:02,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 06:13:02,299 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:13:02,311 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 [2018-04-13 06:13:02,311 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,320 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,462 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 66 treesize of output 58 [2018-04-13 06:13:02,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 06:13:02,466 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:13:02,479 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 7 treesize of output 1 [2018-04-13 06:13:02,479 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,490 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,492 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 60 treesize of output 52 [2018-04-13 06:13:02,494 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 9 treesize of output 1 [2018-04-13 06:13:02,494 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 11 [2018-04-13 06:13:02,507 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,516 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,518 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 62 treesize of output 54 [2018-04-13 06:13:02,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-04-13 06:13:02,524 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:02,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-13 06:13:02,548 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-13 06:13:02,550 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:02,564 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:02,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 6 dim-2 vars, End of recursive call: 18 dim-0 vars, and 11 xjuncts. [2018-04-13 06:13:02,668 INFO L202 ElimStorePlain]: Needed 37 recursive calls to eliminate 15 variables, input treesize:288, output treesize:284 [2018-04-13 06:13:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:13:02,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:13:02,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 06:13:02,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 06:13:02,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 06:13:02,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2018-04-13 06:13:02,867 INFO L87 Difference]: Start difference. First operand 144 states and 154 transitions. Second operand 18 states. [2018-04-13 06:13:07,728 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 172 DAG size of output 66 [2018-04-13 06:13:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:13:08,168 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2018-04-13 06:13:08,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 06:13:08,168 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2018-04-13 06:13:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:13:08,169 INFO L225 Difference]: With dead ends: 168 [2018-04-13 06:13:08,169 INFO L226 Difference]: Without dead ends: 168 [2018-04-13 06:13:08,169 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 06:13:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-04-13 06:13:08,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2018-04-13 06:13:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-13 06:13:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 160 transitions. [2018-04-13 06:13:08,172 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 160 transitions. Word has length 57 [2018-04-13 06:13:08,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:13:08,172 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 160 transitions. [2018-04-13 06:13:08,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 06:13:08,172 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 160 transitions. [2018-04-13 06:13:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-13 06:13:08,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:13:08,173 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-04-13 06:13:08,173 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:13:08,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1540738198, now seen corresponding path program 3 times [2018-04-13 06:13:08,173 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:13:08,173 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:13:08,173 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:08,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:13:08,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:08,182 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:13:08,185 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:13:08,186 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:13:08,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:13:08,186 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:13:08,230 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:13:08,230 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:13:08,233 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:13:08,235 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 [2018-04-13 06:13:08,235 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:13:08,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,245 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 [2018-04-13 06:13:08,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,250 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,250 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-04-13 06:13:08,267 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:08,268 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 8 treesize of output 7 [2018-04-13 06:13:08,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-04-13 06:13:08,304 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 39 treesize of output 35 [2018-04-13 06:13:08,306 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 [2018-04-13 06:13:08,306 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,319 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. [2018-04-13 06:13:08,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-13 06:13:08,341 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 44 treesize of output 38 [2018-04-13 06:13:08,343 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 46 [2018-04-13 06:13:08,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,355 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. [2018-04-13 06:13:08,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:48 [2018-04-13 06:13:08,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-04-13 06:13:08,390 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,403 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. [2018-04-13 06:13:08,403 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:66 [2018-04-13 06:13:08,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 70 [2018-04-13 06:13:08,459 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 18 treesize of output 16 [2018-04-13 06:13:08,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,482 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. [2018-04-13 06:13:08,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-04-13 06:13:08,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2018-04-13 06:13:08,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,545 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 160 [2018-04-13 06:13:08,547 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-13 06:13:08,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-13 06:13:08,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-04-13 06:13:08,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:456 [2018-04-13 06:13:08,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 109 [2018-04-13 06:13:08,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,769 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 143 [2018-04-13 06:13:08,769 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:08,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,830 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 123 [2018-04-13 06:13:08,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:08,847 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 160 [2018-04-13 06:13:08,848 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:08,873 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:08,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:08,901 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:235, output treesize:227 [2018-04-13 06:13:09,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 166 [2018-04-13 06:13:09,248 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:09,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 121 [2018-04-13 06:13:09,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:09,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:09,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:265, output treesize:223 [2018-04-13 06:13:09,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,608 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:09,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 111 [2018-04-13 06:13:09,614 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:09,615 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,621 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 68 [2018-04-13 06:13:09,621 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:09,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 52 [2018-04-13 06:13:09,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:13:09,720 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 [2018-04-13 06:13:09,720 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:09,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:13:09,859 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:09,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 123 [2018-04-13 06:13:09,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-13 06:13:09,865 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:09,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-13 06:13:09,890 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:09,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,921 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:09,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 90 [2018-04-13 06:13:09,938 INFO L267 ElimStorePlain]: Start of recursive call 9: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 20 xjuncts. [2018-04-13 06:13:10,138 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 12 xjuncts. [2018-04-13 06:13:10,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 21 dim-0 vars, and 18 xjuncts. [2018-04-13 06:13:10,479 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 13 variables, input treesize:267, output treesize:595 [2018-04-13 06:13:10,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:10,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:10,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:10,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-04-13 06:13:10,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:10,704 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 1 xjuncts. [2018-04-13 06:13:10,704 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:20 [2018-04-13 06:13:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 23 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:13:10,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:13:10,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 06:13:10,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 06:13:10,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 06:13:10,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=701, Unknown=9, NotChecked=0, Total=812 [2018-04-13 06:13:10,759 INFO L87 Difference]: Start difference. First operand 148 states and 160 transitions. Second operand 29 states. [2018-04-13 06:13:12,804 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 166 DAG size of output 140 [2018-04-13 06:13:13,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:13:13,796 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2018-04-13 06:13:13,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-13 06:13:13,796 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 58 [2018-04-13 06:13:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:13:13,797 INFO L225 Difference]: With dead ends: 176 [2018-04-13 06:13:13,797 INFO L226 Difference]: Without dead ends: 176 [2018-04-13 06:13:13,798 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=517, Invalid=2891, Unknown=14, NotChecked=0, Total=3422 [2018-04-13 06:13:13,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-13 06:13:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 156. [2018-04-13 06:13:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-13 06:13:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 171 transitions. [2018-04-13 06:13:13,799 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 171 transitions. Word has length 58 [2018-04-13 06:13:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:13:13,799 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 171 transitions. [2018-04-13 06:13:13,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 06:13:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 171 transitions. [2018-04-13 06:13:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-13 06:13:13,800 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:13:13,800 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-04-13 06:13:13,800 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:13:13,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1540738197, now seen corresponding path program 3 times [2018-04-13 06:13:13,800 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:13:13,800 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:13:13,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:13,801 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:13:13,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:13,806 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:13:13,809 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:13:13,809 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:13:13,810 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:13:13,810 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:13:13,841 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:13:13,841 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:13:13,845 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:13:13,851 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 [2018-04-13 06:13:13,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:13:13,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:13,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:13,885 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 [2018-04-13 06:13:13,885 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,898 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 12 treesize of output 15 [2018-04-13 06:13:13,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,908 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-04-13 06:13:13,940 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:13,942 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 8 treesize of output 7 [2018-04-13 06:13:13,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,944 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,960 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:13,962 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 [2018-04-13 06:13:13,962 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,964 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:13,985 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:45 [2018-04-13 06:13:14,014 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 65 treesize of output 61 [2018-04-13 06:13:14,016 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 12 treesize of output 11 [2018-04-13 06:13:14,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,042 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 27 treesize of output 28 [2018-04-13 06:13:14,044 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 12 treesize of output 11 [2018-04-13 06:13:14,044 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,060 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:85, output treesize:69 [2018-04-13 06:13:14,084 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 34 treesize of output 37 [2018-04-13 06:13:14,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:13:14,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,116 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 52 [2018-04-13 06:13:14,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2018-04-13 06:13:14,120 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,129 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,140 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:97, output treesize:89 [2018-04-13 06:13:14,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 06:13:14,188 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-04-13 06:13:14,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:97, output treesize:89 [2018-04-13 06:13:14,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2018-04-13 06:13:14,281 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:13:14,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 79 [2018-04-13 06:13:14,316 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 18 treesize of output 16 [2018-04-13 06:13:14,316 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,326 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,342 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:114, output treesize:102 [2018-04-13 06:13:14,373 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-04-13 06:13:14,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,381 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:14,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 77 [2018-04-13 06:13:14,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,414 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 147 [2018-04-13 06:13:14,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,426 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 169 [2018-04-13 06:13:14,427 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:14,459 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,474 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,474 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:178, output treesize:146 [2018-04-13 06:13:14,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,506 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 102 [2018-04-13 06:13:14,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:13:14,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,552 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,553 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 151 [2018-04-13 06:13:14,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,577 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 224 [2018-04-13 06:13:14,577 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:13:14,613 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:14,631 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:174, output treesize:166 [2018-04-13 06:13:14,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,945 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:14,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:14,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 157 [2018-04-13 06:13:14,952 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:13:14,965 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 116 [2018-04-13 06:13:14,966 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:14,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-04-13 06:13:14,999 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 06:13:15,026 INFO L267 ElimStorePlain]: Start of recursive call 5: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-13 06:13:15,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-13 06:13:15,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 79 [2018-04-13 06:13:15,168 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 29 [2018-04-13 06:13:15,174 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 06:13:15,203 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,217 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 80 [2018-04-13 06:13:15,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,226 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-04-13 06:13:15,227 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 06:13:15,245 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,256 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 76 [2018-04-13 06:13:15,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 06:13:15,263 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 29 [2018-04-13 06:13:15,285 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,309 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 76 [2018-04-13 06:13:15,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 29 [2018-04-13 06:13:15,323 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:15,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 06:13:15,382 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:15,397 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:15,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 15 dim-0 vars, and 7 xjuncts. [2018-04-13 06:13:15,501 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:209, output treesize:402 [2018-04-13 06:13:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 26 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:13:15,690 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:13:15,690 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 06:13:15,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 06:13:15,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 06:13:15,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=625, Unknown=4, NotChecked=0, Total=702 [2018-04-13 06:13:15,691 INFO L87 Difference]: Start difference. First operand 156 states and 171 transitions. Second operand 27 states. [2018-04-13 06:13:17,557 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 181 DAG size of output 121 [2018-04-13 06:13:18,521 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 185 DAG size of output 97 [2018-04-13 06:13:19,011 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 241 DAG size of output 121 [2018-04-13 06:13:19,858 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 188 DAG size of output 92 [2018-04-13 06:13:20,051 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 193 DAG size of output 134 [2018-04-13 06:13:20,278 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 197 DAG size of output 106 [2018-04-13 06:13:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:13:20,876 INFO L93 Difference]: Finished difference Result 208 states and 225 transitions. [2018-04-13 06:13:20,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-13 06:13:20,876 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 58 [2018-04-13 06:13:20,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:13:20,877 INFO L225 Difference]: With dead ends: 208 [2018-04-13 06:13:20,877 INFO L226 Difference]: Without dead ends: 208 [2018-04-13 06:13:20,878 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=970, Invalid=4276, Unknown=10, NotChecked=0, Total=5256 [2018-04-13 06:13:20,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-04-13 06:13:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 156. [2018-04-13 06:13:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-13 06:13:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 170 transitions. [2018-04-13 06:13:20,879 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 170 transitions. Word has length 58 [2018-04-13 06:13:20,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:13:20,880 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 170 transitions. [2018-04-13 06:13:20,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 06:13:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2018-04-13 06:13:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-13 06:13:20,880 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:13:20,880 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-04-13 06:13:20,880 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:13:20,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1558743725, now seen corresponding path program 1 times [2018-04-13 06:13:20,880 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:13:20,880 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:13:20,881 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:20,881 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:13:20,881 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:13:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:20,889 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:13:20,892 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:13:20,892 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:13:20,892 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:13:20,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:13:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:13:20,924 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:13:20,948 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 [2018-04-13 06:13:20,948 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,952 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:13:20,965 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 [2018-04-13 06:13:20,965 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,968 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-04-13 06:13:20,980 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 [2018-04-13 06:13:20,980 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 [2018-04-13 06:13:20,981 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:20,985 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 06:13:21,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,001 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 11 treesize of output 12 [2018-04-13 06:13:21,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,004 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-04-13 06:13:21,021 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:13:21,022 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 8 treesize of output 7 [2018-04-13 06:13:21,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,031 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 24 [2018-04-13 06:13:21,032 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 [2018-04-13 06:13:21,033 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,035 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,041 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36 [2018-04-13 06:13:21,057 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 70 treesize of output 66 [2018-04-13 06:13:21,058 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 18 treesize of output 17 [2018-04-13 06:13:21,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,074 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 61 treesize of output 56 [2018-04-13 06:13:21,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,076 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 24 treesize of output 39 [2018-04-13 06:13:21,076 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,082 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,089 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:80, output treesize:64 [2018-04-13 06:13:21,108 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 67 treesize of output 59 [2018-04-13 06:13:21,109 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 69 [2018-04-13 06:13:21,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,131 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 68 treesize of output 67 [2018-04-13 06:13:21,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 69 [2018-04-13 06:13:21,133 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,141 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,150 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:92, output treesize:84 [2018-04-13 06:13:21,258 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 79 treesize of output 66 [2018-04-13 06:13:21,260 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 1 [2018-04-13 06:13:21,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:13:21,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 73 [2018-04-13 06:13:21,283 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:13:21,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 06:13:21,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 7 xjuncts. [2018-04-13 06:13:21,392 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:109, output treesize:458 [2018-04-13 06:13:21,659 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,659 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 48 treesize of output 44 [2018-04-13 06:13:21,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,669 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 49 [2018-04-13 06:13:21,670 INFO L267 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:13:21,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 76 [2018-04-13 06:13:21,730 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 36 xjuncts. [2018-04-13 06:13:21,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 38 [2018-04-13 06:13:21,746 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-13 06:13:21,747 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:13:21,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 72 [2018-04-13 06:13:21,765 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 17 xjuncts. [2018-04-13 06:13:21,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:21,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:13:21,909 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:58, output treesize:10 [2018-04-13 06:13:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:13:21,955 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:13:21,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 06:13:21,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 06:13:21,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 06:13:21,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=497, Unknown=1, NotChecked=0, Total=552 [2018-04-13 06:13:21,956 INFO L87 Difference]: Start difference. First operand 156 states and 170 transitions. Second operand 24 states. [2018-04-13 06:14:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:14:10,776 INFO L93 Difference]: Finished difference Result 181 states and 195 transitions. [2018-04-13 06:14:10,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-13 06:14:10,776 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 59 [2018-04-13 06:14:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:14:10,777 INFO L225 Difference]: With dead ends: 181 [2018-04-13 06:14:10,777 INFO L226 Difference]: Without dead ends: 180 [2018-04-13 06:14:10,777 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=467, Invalid=2502, Unknown=1, NotChecked=0, Total=2970 [2018-04-13 06:14:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-04-13 06:14:10,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 156. [2018-04-13 06:14:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-13 06:14:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 169 transitions. [2018-04-13 06:14:10,779 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 169 transitions. Word has length 59 [2018-04-13 06:14:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:14:10,780 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 169 transitions. [2018-04-13 06:14:10,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 06:14:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2018-04-13 06:14:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-13 06:14:10,780 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:14:10,780 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-04-13 06:14:10,780 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:14:10,781 INFO L82 PathProgramCache]: Analyzing trace with hash -518244812, now seen corresponding path program 4 times [2018-04-13 06:14:10,781 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:14:10,781 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:14:10,781 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:10,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:14:10,781 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:10,789 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:14:10,792 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:14:10,792 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:14:10,792 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:14:10,793 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-13 06:14:10,825 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-13 06:14:10,825 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:14:10,828 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:14:10,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:10,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:10,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 06:14:10,856 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,860 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2018-04-13 06:14:10,879 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:14:10,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:14:10,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,890 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,890 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-04-13 06:14:10,906 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-13 06:14:10,907 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 [2018-04-13 06:14:10,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,911 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,918 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. [2018-04-13 06:14:10,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:41 [2018-04-13 06:14:10,939 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-13 06:14:10,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:10,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-04-13 06:14:10,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:10,955 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. [2018-04-13 06:14:10,955 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:50 [2018-04-13 06:14:10,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:10,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:10,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 06:14:10,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:11,007 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 1 xjuncts. [2018-04-13 06:14:11,007 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:52 [2018-04-13 06:14:11,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-04-13 06:14:11,065 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 59 treesize of output 58 [2018-04-13 06:14:11,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:11,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:11,113 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. [2018-04-13 06:14:11,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:62 [2018-04-13 06:14:11,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 71 [2018-04-13 06:14:11,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 108 [2018-04-13 06:14:11,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:11,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:11,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:11,217 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:108, output treesize:181 [2018-04-13 06:14:11,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 105 [2018-04-13 06:14:11,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 127 [2018-04-13 06:14:11,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:11,337 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,345 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 113 [2018-04-13 06:14:11,346 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:11,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:14:11,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 91 [2018-04-13 06:14:11,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 107 [2018-04-13 06:14:11,496 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:11,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:11,552 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 93 [2018-04-13 06:14:11,552 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:11,595 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:11,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:11,667 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:207, output treesize:345 [2018-04-13 06:14:12,645 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:12,646 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 128 treesize of output 122 [2018-04-13 06:14:12,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:12,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:12,785 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 128 treesize of output 122 [2018-04-13 06:14:12,786 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:12,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:12,891 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 90 treesize of output 84 [2018-04-13 06:14:12,891 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:12,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:12,992 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 110 treesize of output 104 [2018-04-13 06:14:12,992 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:13,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 4 dim-1 vars, End of recursive call: 21 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:13,077 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 28 variables, input treesize:501, output treesize:404 [2018-04-13 06:14:13,700 WARN L148 SmtUtils]: Spent 133ms on a formula simplification that was a NOOP. DAG size: 182 [2018-04-13 06:14:14,017 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 182 [2018-04-13 06:14:14,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 140 [2018-04-13 06:14:14,035 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:14,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,150 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 126 treesize of output 120 [2018-04-13 06:14:14,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:14,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,250 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 103 treesize of output 97 [2018-04-13 06:14:14,251 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:14,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,347 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 120 treesize of output 114 [2018-04-13 06:14:14,347 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:14,436 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:14,437 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 89 [2018-04-13 06:14:14,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,441 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:14,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,448 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 59 [2018-04-13 06:14:14,449 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:14:14,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 96 [2018-04-13 06:14:14,494 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 16 xjuncts. [2018-04-13 06:14:14,603 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-13 06:14:14,831 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:14,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 120 [2018-04-13 06:14:14,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:14,888 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 221 [2018-04-13 06:14:14,888 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-04-13 06:14:15,119 INFO L267 ElimStorePlain]: Start of recursive call 10: 280 dim-0 vars, End of recursive call: 280 dim-0 vars, and 300 xjuncts. [2018-04-13 06:14:17,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,866 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,866 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 77 treesize of output 77 [2018-04-13 06:14:17,866 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,868 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,868 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,869 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 81 treesize of output 83 [2018-04-13 06:14:17,869 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,871 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,871 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 82 treesize of output 82 [2018-04-13 06:14:17,871 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,873 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 76 treesize of output 78 [2018-04-13 06:14:17,874 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,876 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:17,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,876 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 95 treesize of output 100 [2018-04-13 06:14:17,877 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,878 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,879 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 79 treesize of output 79 [2018-04-13 06:14:17,879 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,881 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:17,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,882 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 93 treesize of output 96 [2018-04-13 06:14:17,882 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:17,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,885 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:17,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:17,886 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 98 treesize of output 101 [2018-04-13 06:14:17,886 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,096 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 88 treesize of output 77 [2018-04-13 06:14:18,097 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 58 [2018-04-13 06:14:18,098 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,099 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 72 treesize of output 61 [2018-04-13 06:14:18,099 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 56 [2018-04-13 06:14:18,101 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 72 [2018-04-13 06:14:18,102 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2018-04-13 06:14:18,103 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,104 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 73 treesize of output 58 [2018-04-13 06:14:18,105 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,106 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 87 treesize of output 72 [2018-04-13 06:14:18,106 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,292 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 89 [2018-04-13 06:14:18,292 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:18,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,461 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:18,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 129 [2018-04-13 06:14:18,479 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:18,733 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-04-13 06:14:19,173 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,174 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:19,176 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 108 [2018-04-13 06:14:19,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:19,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,192 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 121 [2018-04-13 06:14:19,193 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:19,251 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 70 treesize of output 63 [2018-04-13 06:14:19,251 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:19,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 86 [2018-04-13 06:14:19,302 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:19,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,395 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 103 [2018-04-13 06:14:19,409 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 8 xjuncts. [2018-04-13 06:14:19,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,517 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,517 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,518 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-04-13 06:14:19,518 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:19,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:19,521 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-04-13 06:14:19,522 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:19,599 INFO L267 ElimStorePlain]: Start of recursive call 29: 5 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-04-13 06:14:20,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,132 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:20,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 86 [2018-04-13 06:14:20,135 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,137 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:20,141 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2018-04-13 06:14:20,142 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:20,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:20,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 53 [2018-04-13 06:14:20,177 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:20,214 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:14:20,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 25 dim-0 vars, 4 dim-1 vars, 4 dim-2 vars, End of recursive call: and 18 xjuncts. [2018-04-13 06:14:20,786 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 33 variables, input treesize:512, output treesize:411 [2018-04-13 06:14:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:14:21,021 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:14:21,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 06:14:21,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 06:14:21,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 06:14:21,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=843, Unknown=11, NotChecked=0, Total=930 [2018-04-13 06:14:21,022 INFO L87 Difference]: Start difference. First operand 156 states and 169 transitions. Second operand 31 states. [2018-04-13 06:14:22,622 WARN L151 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 190 DAG size of output 189 [2018-04-13 06:14:23,304 WARN L148 SmtUtils]: Spent 113ms on a formula simplification that was a NOOP. DAG size: 222 [2018-04-13 06:14:26,173 WARN L151 SmtUtils]: Spent 467ms on a formula simplification. DAG size of input: 242 DAG size of output 226 [2018-04-13 06:14:27,876 WARN L151 SmtUtils]: Spent 1005ms on a formula simplification. DAG size of input: 276 DAG size of output 275 [2018-04-13 06:14:28,153 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 160 [2018-04-13 06:14:28,591 WARN L151 SmtUtils]: Spent 321ms on a formula simplification. DAG size of input: 205 DAG size of output 189 [2018-04-13 06:14:28,849 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 186 [2018-04-13 06:14:29,324 WARN L151 SmtUtils]: Spent 255ms on a formula simplification. DAG size of input: 191 DAG size of output 187 [2018-04-13 06:14:30,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:14:30,027 INFO L93 Difference]: Finished difference Result 219 states and 236 transitions. [2018-04-13 06:14:30,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 06:14:30,028 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2018-04-13 06:14:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:14:30,028 INFO L225 Difference]: With dead ends: 219 [2018-04-13 06:14:30,028 INFO L226 Difference]: Without dead ends: 219 [2018-04-13 06:14:30,029 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=301, Invalid=3333, Unknown=26, NotChecked=0, Total=3660 [2018-04-13 06:14:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-13 06:14:30,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 187. [2018-04-13 06:14:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-04-13 06:14:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 202 transitions. [2018-04-13 06:14:30,031 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 202 transitions. Word has length 59 [2018-04-13 06:14:30,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:14:30,031 INFO L459 AbstractCegarLoop]: Abstraction has 187 states and 202 transitions. [2018-04-13 06:14:30,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 06:14:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 202 transitions. [2018-04-13 06:14:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-13 06:14:30,032 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:14:30,032 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:14:30,032 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:14:30,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2043527546, now seen corresponding path program 1 times [2018-04-13 06:14:30,032 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:14:30,032 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:14:30,033 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:30,033 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:14:30,033 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:30,043 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:14:30,045 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:14:30,046 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:14:30,046 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:14:30,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:14:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:30,070 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:14:30,084 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 [2018-04-13 06:14:30,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,087 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-04-13 06:14:30,091 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 [2018-04-13 06:14:30,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,093 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:14:30,100 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,101 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 13 treesize of output 14 [2018-04-13 06:14:30,101 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,108 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 06:14:30,109 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 [2018-04-13 06:14:30,109 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,109 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,113 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:34, output treesize:19 [2018-04-13 06:14:30,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,126 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 11 treesize of output 12 [2018-04-13 06:14:30,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:16 [2018-04-13 06:14:30,144 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 20 treesize of output 21 [2018-04-13 06:14:30,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-04-13 06:14:30,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-04-13 06:14:30,164 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 46 treesize of output 36 [2018-04-13 06:14:30,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 36 [2018-04-13 06:14:30,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,174 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. [2018-04-13 06:14:30,174 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 06:14:30,190 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 51 treesize of output 41 [2018-04-13 06:14:30,191 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 53 [2018-04-13 06:14:30,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,201 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. [2018-04-13 06:14:30,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:53 [2018-04-13 06:14:30,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,451 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:30,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 57 [2018-04-13 06:14:30,455 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,464 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 35 [2018-04-13 06:14:30,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:30,490 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,490 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:30,490 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-04-13 06:14:30,491 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,493 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:30,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-04-13 06:14:30,493 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,495 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:30,495 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-13 06:14:30,495 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:14:30,532 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:30,532 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:95, output treesize:23 [2018-04-13 06:14:30,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,563 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 16 treesize of output 19 [2018-04-13 06:14:30,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:30,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:30,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 21 [2018-04-13 06:14:30,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:30,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:14:30,590 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:37 [2018-04-13 06:14:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:14:30,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:14:30,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 06:14:30,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 06:14:30,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 06:14:30,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2018-04-13 06:14:30,663 INFO L87 Difference]: Start difference. First operand 187 states and 202 transitions. Second operand 26 states. [2018-04-13 06:14:32,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:14:32,173 INFO L93 Difference]: Finished difference Result 210 states and 226 transitions. [2018-04-13 06:14:32,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 06:14:32,173 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 60 [2018-04-13 06:14:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:14:32,174 INFO L225 Difference]: With dead ends: 210 [2018-04-13 06:14:32,174 INFO L226 Difference]: Without dead ends: 210 [2018-04-13 06:14:32,174 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=441, Invalid=2525, Unknown=4, NotChecked=0, Total=2970 [2018-04-13 06:14:32,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-04-13 06:14:32,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 189. [2018-04-13 06:14:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-04-13 06:14:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 204 transitions. [2018-04-13 06:14:32,176 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 204 transitions. Word has length 60 [2018-04-13 06:14:32,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:14:32,176 INFO L459 AbstractCegarLoop]: Abstraction has 189 states and 204 transitions. [2018-04-13 06:14:32,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 06:14:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 204 transitions. [2018-04-13 06:14:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-13 06:14:32,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:14:32,177 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:14:32,177 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:14:32,177 INFO L82 PathProgramCache]: Analyzing trace with hash 283143277, now seen corresponding path program 1 times [2018-04-13 06:14:32,177 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:14:32,177 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:14:32,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:32,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:14:32,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:32,188 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:14:32,191 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:14:32,191 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:14:32,192 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:14:32,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:14:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:32,219 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:14:32,223 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 [2018-04-13 06:14:32,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,226 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:14:32,239 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 [2018-04-13 06:14:32,240 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 [2018-04-13 06:14:32,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,248 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 15 treesize of output 12 [2018-04-13 06:14:32,249 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 12 treesize of output 11 [2018-04-13 06:14:32,249 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,251 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,255 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-04-13 06:14:32,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,274 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 11 treesize of output 12 [2018-04-13 06:14:32,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,278 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:22 [2018-04-13 06:14:32,300 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 [2018-04-13 06:14:32,301 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 8 treesize of output 7 [2018-04-13 06:14:32,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,317 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 24 [2018-04-13 06:14:32,319 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 [2018-04-13 06:14:32,319 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,322 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,329 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:43 [2018-04-13 06:14:32,356 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 85 treesize of output 75 [2018-04-13 06:14:32,358 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,359 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 55 [2018-04-13 06:14:32,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,380 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 61 treesize of output 56 [2018-04-13 06:14:32,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,383 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 24 treesize of output 39 [2018-04-13 06:14:32,384 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,390 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,398 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:95, output treesize:79 [2018-04-13 06:14:32,420 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 66 treesize of output 65 [2018-04-13 06:14:32,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,423 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 57 [2018-04-13 06:14:32,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,449 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 82 treesize of output 68 [2018-04-13 06:14:32,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 84 [2018-04-13 06:14:32,452 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,464 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:79 [2018-04-13 06:14:32,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,674 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:32,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 70 [2018-04-13 06:14:32,677 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:32,678 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 48 treesize of output 33 [2018-04-13 06:14:32,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,688 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:32,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,689 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 24 treesize of output 23 [2018-04-13 06:14:32,690 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,713 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 44 treesize of output 36 [2018-04-13 06:14:32,715 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:32,715 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 20 treesize of output 14 [2018-04-13 06:14:32,715 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,723 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:32,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:32,724 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 20 treesize of output 27 [2018-04-13 06:14:32,724 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,729 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:32,736 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:123, output treesize:12 [2018-04-13 06:14:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 13 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:14:32,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:14:32,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 06:14:32,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 06:14:32,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 06:14:32,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=299, Unknown=5, NotChecked=0, Total=342 [2018-04-13 06:14:32,768 INFO L87 Difference]: Start difference. First operand 189 states and 204 transitions. Second operand 19 states. [2018-04-13 06:14:35,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:14:35,064 INFO L93 Difference]: Finished difference Result 236 states and 253 transitions. [2018-04-13 06:14:35,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-13 06:14:35,064 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-04-13 06:14:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:14:35,065 INFO L225 Difference]: With dead ends: 236 [2018-04-13 06:14:35,065 INFO L226 Difference]: Without dead ends: 236 [2018-04-13 06:14:35,065 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=447, Invalid=2094, Unknown=9, NotChecked=0, Total=2550 [2018-04-13 06:14:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-13 06:14:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 215. [2018-04-13 06:14:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-04-13 06:14:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-04-13 06:14:35,067 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 60 [2018-04-13 06:14:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:14:35,067 INFO L459 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-04-13 06:14:35,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 06:14:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-04-13 06:14:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-13 06:14:35,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:14:35,067 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-04-13 06:14:35,067 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:14:35,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1114309932, now seen corresponding path program 2 times [2018-04-13 06:14:35,068 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:14:35,068 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:14:35,068 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:35,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:14:35,068 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:14:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:14:35,073 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:14:35,075 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:14:35,075 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:14:35,075 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:14:35,076 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:14:35,100 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:14:35,100 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:14:35,104 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:14:35,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,138 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 [2018-04-13 06:14:35,138 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,148 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 12 treesize of output 15 [2018-04-13 06:14:35,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,156 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-04-13 06:14:35,178 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:14:35,180 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 [2018-04-13 06:14:35,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,191 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:14:35,192 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 8 treesize of output 7 [2018-04-13 06:14:35,192 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,193 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,201 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-04-13 06:14:35,220 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 58 treesize of output 59 [2018-04-13 06:14:35,221 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 18 treesize of output 17 [2018-04-13 06:14:35,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,226 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,239 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 69 treesize of output 65 [2018-04-13 06:14:35,240 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 18 treesize of output 17 [2018-04-13 06:14:35,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,245 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:100, output treesize:84 [2018-04-13 06:14:35,275 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 57 treesize of output 56 [2018-04-13 06:14:35,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 69 [2018-04-13 06:14:35,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,304 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 74 treesize of output 64 [2018-04-13 06:14:35,306 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 76 [2018-04-13 06:14:35,307 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,313 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,326 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:112, output treesize:104 [2018-04-13 06:14:35,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 06:14:35,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-04-13 06:14:35,387 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:35,402 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:118, output treesize:110 [2018-04-13 06:14:35,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 84 [2018-04-13 06:14:35,451 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 8 treesize of output 7 [2018-04-13 06:14:35,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 97 [2018-04-13 06:14:35,493 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 [2018-04-13 06:14:35,493 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,501 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,523 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. [2018-04-13 06:14:35,523 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:135, output treesize:143 [2018-04-13 06:14:35,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 169 [2018-04-13 06:14:35,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 166 [2018-04-13 06:14:35,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:35,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:35,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 168 [2018-04-13 06:14:35,676 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,677 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,677 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:35,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,680 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 75 treesize of output 148 [2018-04-13 06:14:35,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,697 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 174 [2018-04-13 06:14:35,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 148 [2018-04-13 06:14:35,710 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,730 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,772 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 2 xjuncts. [2018-04-13 06:14:35,772 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:227, output treesize:446 [2018-04-13 06:14:35,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 196 [2018-04-13 06:14:35,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 205 [2018-04-13 06:14:35,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 227 [2018-04-13 06:14:35,962 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:35,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 227 [2018-04-13 06:14:35,963 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:35,986 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:36,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 226 [2018-04-13 06:14:36,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:36,061 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 48 treesize of output 59 [2018-04-13 06:14:36,061 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:36,092 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:36,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 232 [2018-04-13 06:14:36,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:36,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:36,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 236 [2018-04-13 06:14:36,163 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:36,186 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:36,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:36,239 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:502, output treesize:486 [2018-04-13 06:14:37,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,289 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 276 [2018-04-13 06:14:37,300 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,318 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 131 [2018-04-13 06:14:37,321 INFO L267 ElimStorePlain]: Start of recursive call 3: 14 dim-0 vars, End of recursive call: 14 dim-0 vars, and 11 xjuncts. [2018-04-13 06:14:37,480 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 1 [2018-04-13 06:14:37,480 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:37,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,597 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,601 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 154 [2018-04-13 06:14:37,602 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:37,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,608 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,610 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 0 case distinctions, treesize of input 116 treesize of output 116 [2018-04-13 06:14:37,611 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:37,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,623 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,625 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 0 case distinctions, treesize of input 109 treesize of output 109 [2018-04-13 06:14:37,626 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:37,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,631 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 0 case distinctions, treesize of input 106 treesize of output 106 [2018-04-13 06:14:37,631 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:37,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,637 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 137 [2018-04-13 06:14:37,641 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:37,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,648 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 148 [2018-04-13 06:14:37,655 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:37,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,659 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,660 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,660 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:37,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:37,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 141 [2018-04-13 06:14:37,667 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:37,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 17 dim-0 vars, and 9 xjuncts. [2018-04-13 06:14:38,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,337 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 129 [2018-04-13 06:14:38,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,356 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 84 [2018-04-13 06:14:38,358 INFO L267 ElimStorePlain]: Start of recursive call 13: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 7 xjuncts. [2018-04-13 06:14:38,461 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 38 treesize of output 27 [2018-04-13 06:14:38,461 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-04-13 06:14:38,463 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-04-13 06:14:38,464 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-13 06:14:38,466 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,467 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 31 treesize of output 20 [2018-04-13 06:14:38,467 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,469 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 37 treesize of output 26 [2018-04-13 06:14:38,469 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-13 06:14:38,471 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:38,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 59 [2018-04-13 06:14:38,546 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 21 xjuncts. [2018-04-13 06:14:38,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 64 [2018-04-13 06:14:38,556 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:38,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-04-13 06:14:38,559 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:38,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 58 [2018-04-13 06:14:38,572 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 21 xjuncts. [2018-04-13 06:14:38,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,576 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 63 [2018-04-13 06:14:38,582 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:38,584 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 61 [2018-04-13 06:14:38,594 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 36 xjuncts. [2018-04-13 06:14:38,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,600 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:38,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 62 [2018-04-13 06:14:38,606 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 36 xjuncts. [2018-04-13 06:14:39,439 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:14:39,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 117 [2018-04-13 06:14:39,446 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 1 [2018-04-13 06:14:39,446 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-13 06:14:39,474 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:39,500 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 31 [2018-04-13 06:14:39,505 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:39,529 INFO L267 ElimStorePlain]: Start of recursive call 28: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:39,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 120 [2018-04-13 06:14:39,536 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 1 [2018-04-13 06:14:39,536 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,567 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,568 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-13 06:14:39,569 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:39,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 31 [2018-04-13 06:14:39,599 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:39,624 INFO L267 ElimStorePlain]: Start of recursive call 32: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:39,626 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 120 [2018-04-13 06:14:39,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,649 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 45 treesize of output 88 [2018-04-13 06:14:39,652 INFO L267 ElimStorePlain]: Start of recursive call 37: 23 dim-0 vars, End of recursive call: 23 dim-0 vars, and 15 xjuncts. [2018-04-13 06:14:39,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2018-04-13 06:14:39,849 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,851 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 32 treesize of output 21 [2018-04-13 06:14:39,851 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-04-13 06:14:39,853 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2018-04-13 06:14:39,854 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,856 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 29 treesize of output 18 [2018-04-13 06:14:39,856 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2018-04-13 06:14:39,857 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,859 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 41 treesize of output 30 [2018-04-13 06:14:39,863 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 12 [2018-04-13 06:14:39,865 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,866 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 29 treesize of output 18 [2018-04-13 06:14:39,866 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,868 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 41 treesize of output 30 [2018-04-13 06:14:39,868 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,869 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 36 treesize of output 25 [2018-04-13 06:14:39,869 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,871 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 36 treesize of output 25 [2018-04-13 06:14:39,871 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,872 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 25 treesize of output 14 [2018-04-13 06:14:39,873 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-04-13 06:14:39,876 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2018-04-13 06:14:39,878 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:39,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 58 [2018-04-13 06:14:39,993 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 21 xjuncts. [2018-04-13 06:14:39,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:39,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 52 [2018-04-13 06:14:40,004 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 20 xjuncts. [2018-04-13 06:14:40,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 62 [2018-04-13 06:14:40,026 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 36 xjuncts. [2018-04-13 06:14:40,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-04-13 06:14:40,030 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:40,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 64 [2018-04-13 06:14:40,040 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:40,042 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,043 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 61 [2018-04-13 06:14:40,050 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 36 xjuncts. [2018-04-13 06:14:40,053 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,054 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 61 [2018-04-13 06:14:40,059 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 16 xjuncts. [2018-04-13 06:14:40,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 59 [2018-04-13 06:14:40,098 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:40,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,103 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 57 [2018-04-13 06:14:40,108 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 16 xjuncts. [2018-04-13 06:14:40,110 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 52 [2018-04-13 06:14:40,122 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 14 xjuncts. [2018-04-13 06:14:40,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-04-13 06:14:40,126 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:40,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 63 [2018-04-13 06:14:40,137 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 24 xjuncts. [2018-04-13 06:14:40,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 59 [2018-04-13 06:14:40,152 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 21 xjuncts. [2018-04-13 06:14:40,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 56 [2018-04-13 06:14:40,166 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 14 xjuncts. [2018-04-13 06:14:40,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:40,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 57 [2018-04-13 06:14:40,173 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 12 xjuncts. [2018-04-13 06:14:42,134 INFO L267 ElimStorePlain]: Start of recursive call 36: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:14:42,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 120 [2018-04-13 06:14:42,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,159 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 45 treesize of output 88 [2018-04-13 06:14:42,162 INFO L267 ElimStorePlain]: Start of recursive call 69: 23 dim-0 vars, End of recursive call: 23 dim-0 vars, and 15 xjuncts. [2018-04-13 06:14:42,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 91 [2018-04-13 06:14:42,373 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 79 [2018-04-13 06:14:42,379 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:42,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 79 [2018-04-13 06:14:42,388 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,391 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,391 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 86 [2018-04-13 06:14:42,397 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,401 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 74 [2018-04-13 06:14:42,408 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:42,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2018-04-13 06:14:42,411 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:42,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,414 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 85 [2018-04-13 06:14:42,420 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 85 [2018-04-13 06:14:42,429 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 78 [2018-04-13 06:14:42,437 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 78 [2018-04-13 06:14:42,449 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:42,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 75 [2018-04-13 06:14:42,457 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,462 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 84 [2018-04-13 06:14:42,469 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:42,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 85 [2018-04-13 06:14:42,481 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:42,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 92 [2018-04-13 06:14:42,491 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:42,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 47 [2018-04-13 06:14:42,494 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:42,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 06:14:42,954 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,955 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 37 treesize of output 25 [2018-04-13 06:14:42,956 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2018-04-13 06:14:42,957 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:42,958 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 33 treesize of output 21 [2018-04-13 06:14:42,959 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2018-04-13 06:14:42,960 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:42,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2018-04-13 06:14:42,962 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:42,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2018-04-13 06:14:42,963 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:42,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 27 [2018-04-13 06:14:42,965 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:42,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2018-04-13 06:14:42,967 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:42,968 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 26 treesize of output 14 [2018-04-13 06:14:42,968 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:42,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-04-13 06:14:42,969 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:42,972 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 29 treesize of output 17 [2018-04-13 06:14:42,972 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,129 INFO L267 ElimStorePlain]: Start of recursive call 68: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:14:43,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 125 [2018-04-13 06:14:43,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,152 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 84 [2018-04-13 06:14:43,154 INFO L267 ElimStorePlain]: Start of recursive call 98: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 7 xjuncts. [2018-04-13 06:14:43,252 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,255 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 91 [2018-04-13 06:14:43,259 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 84 [2018-04-13 06:14:43,271 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:43,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2018-04-13 06:14:43,274 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:43,276 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 92 [2018-04-13 06:14:43,283 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 85 [2018-04-13 06:14:43,291 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,296 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 86 [2018-04-13 06:14:43,300 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 85 [2018-04-13 06:14:43,329 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:43,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2018-04-13 06:14:43,564 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2018-04-13 06:14:43,566 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-04-13 06:14:43,568 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-04-13 06:14:43,569 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2018-04-13 06:14:43,570 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2018-04-13 06:14:43,572 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2018-04-13 06:14:43,574 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:43,675 INFO L267 ElimStorePlain]: Start of recursive call 97: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:14:43,677 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 120 [2018-04-13 06:14:43,684 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,692 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 78 [2018-04-13 06:14:43,694 INFO L267 ElimStorePlain]: Start of recursive call 114: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:14:43,759 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 52 treesize of output 39 [2018-04-13 06:14:43,759 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:43,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2018-04-13 06:14:43,760 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:43,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2018-04-13 06:14:43,762 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:43,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,809 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 77 [2018-04-13 06:14:43,821 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 9 xjuncts. [2018-04-13 06:14:43,823 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 43 [2018-04-13 06:14:43,828 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:43,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 71 [2018-04-13 06:14:43,845 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 8 xjuncts. [2018-04-13 06:14:43,962 INFO L267 ElimStorePlain]: Start of recursive call 113: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:14:43,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,966 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 125 [2018-04-13 06:14:43,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:43,983 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 84 [2018-04-13 06:14:43,985 INFO L267 ElimStorePlain]: Start of recursive call 122: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 7 xjuncts. [2018-04-13 06:14:44,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 85 [2018-04-13 06:14:44,090 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:44,092 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 92 [2018-04-13 06:14:44,099 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:44,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2018-04-13 06:14:44,102 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 84 [2018-04-13 06:14:44,114 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:44,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 86 [2018-04-13 06:14:44,123 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:44,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,127 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 85 [2018-04-13 06:14:44,135 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 4 xjuncts. [2018-04-13 06:14:44,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 91 [2018-04-13 06:14:44,143 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:44,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2018-04-13 06:14:44,360 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:44,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-04-13 06:14:44,361 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:44,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2018-04-13 06:14:44,363 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 6 xjuncts. [2018-04-13 06:14:44,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2018-04-13 06:14:44,365 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:44,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2018-04-13 06:14:44,366 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:44,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-04-13 06:14:44,367 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:44,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2018-04-13 06:14:44,369 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 3 xjuncts. [2018-04-13 06:14:44,483 INFO L267 ElimStorePlain]: Start of recursive call 121: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:14:44,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 125 [2018-04-13 06:14:44,491 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,500 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 84 [2018-04-13 06:14:44,501 INFO L267 ElimStorePlain]: Start of recursive call 138: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-13 06:14:44,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,567 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 76 [2018-04-13 06:14:44,578 INFO L267 ElimStorePlain]: Start of recursive call 139: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:44,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-04-13 06:14:44,582 INFO L267 ElimStorePlain]: Start of recursive call 140: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:44,584 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:44,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 76 [2018-04-13 06:14:44,597 INFO L267 ElimStorePlain]: Start of recursive call 141: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:44,760 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 45 treesize of output 36 [2018-04-13 06:14:44,761 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,762 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 41 treesize of output 32 [2018-04-13 06:14:44,762 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2018-04-13 06:14:44,763 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,765 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 41 treesize of output 32 [2018-04-13 06:14:44,765 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,766 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 47 treesize of output 38 [2018-04-13 06:14:44,766 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,767 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 38 treesize of output 29 [2018-04-13 06:14:44,768 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,769 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 31 treesize of output 22 [2018-04-13 06:14:44,769 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,770 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 43 treesize of output 34 [2018-04-13 06:14:44,770 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,771 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 30 [2018-04-13 06:14:44,772 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:44,875 INFO L267 ElimStorePlain]: Start of recursive call 137: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:14:45,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:45,409 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:45,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:45,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:45,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 221 [2018-04-13 06:14:45,448 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 1 [2018-04-13 06:14:45,448 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:45,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:45,494 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:14:45,495 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 116 [2018-04-13 06:14:45,495 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:45,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 130 treesize of output 134 [2018-04-13 06:14:45,546 INFO L267 ElimStorePlain]: Start of recursive call 154: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:45,659 INFO L267 ElimStorePlain]: Start of recursive call 151: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-13 06:14:46,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 116 [2018-04-13 06:14:46,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,424 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 72 [2018-04-13 06:14:46,430 INFO L267 ElimStorePlain]: Start of recursive call 156: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:46,488 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-04-13 06:14:46,490 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,492 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 48 treesize of output 41 [2018-04-13 06:14:46,493 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,526 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 21 treesize of output 14 [2018-04-13 06:14:46,526 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,527 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 24 treesize of output 17 [2018-04-13 06:14:46,528 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,554 INFO L267 ElimStorePlain]: Start of recursive call 155: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:46,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 117 [2018-04-13 06:14:46,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-04-13 06:14:46,562 INFO L267 ElimStorePlain]: Start of recursive call 162: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:46,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 66 [2018-04-13 06:14:46,602 INFO L267 ElimStorePlain]: Start of recursive call 163: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:14:46,651 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 22 treesize of output 15 [2018-04-13 06:14:46,651 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,652 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 16 [2018-04-13 06:14:46,652 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,681 INFO L267 ElimStorePlain]: Start of recursive call 161: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:46,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 115 [2018-04-13 06:14:46,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-04-13 06:14:46,688 INFO L267 ElimStorePlain]: Start of recursive call 167: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:46,719 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 9 treesize of output 1 [2018-04-13 06:14:46,719 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 61 [2018-04-13 06:14:46,757 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 2 xjuncts. [2018-04-13 06:14:46,794 INFO L267 ElimStorePlain]: Start of recursive call 166: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:14:46,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 125 [2018-04-13 06:14:46,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-04-13 06:14:46,801 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:14:46,834 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 9 treesize of output 1 [2018-04-13 06:14:46,834 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,866 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:14:46,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 55 [2018-04-13 06:14:46,868 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-04-13 06:14:46,890 INFO L267 ElimStorePlain]: Start of recursive call 170: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:14:47,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: 67 dim-0 vars, and 29 xjuncts. [2018-04-13 06:14:47,540 INFO L202 ElimStorePlain]: Needed 173 recursive calls to eliminate 15 variables, input treesize:584, output treesize:1017 [2018-04-13 06:14:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:14:48,004 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:14:48,004 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 06:14:48,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 06:14:48,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 06:14:48,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=845, Unknown=1, NotChecked=0, Total=930 [2018-04-13 06:14:48,004 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 31 states. [2018-04-13 06:15:32,457 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 162 DAG size of output 110 [2018-04-13 06:15:43,026 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 277 DAG size of output 114 [2018-04-13 06:15:53,893 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 281 DAG size of output 101 [2018-04-13 06:15:56,336 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 166 DAG size of output 104 [2018-04-13 06:15:57,125 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 317 DAG size of output 110 [2018-04-13 06:16:09,868 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 264 DAG size of output 83 [2018-04-13 06:16:18,165 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 205 DAG size of output 125 [2018-04-13 06:16:24,514 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 266 DAG size of output 88 [2018-04-13 06:16:35,216 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 320 DAG size of output 129 [2018-04-13 06:16:40,621 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 268 DAG size of output 104 [2018-04-13 06:16:41,193 WARN L151 SmtUtils]: Spent 335ms on a formula simplification. DAG size of input: 256 DAG size of output 125 [2018-04-13 06:16:41,607 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 185 DAG size of output 167 [2018-04-13 06:16:44,587 WARN L151 SmtUtils]: Spent 175ms on a formula simplification. DAG size of input: 372 DAG size of output 128 [2018-04-13 06:16:45,007 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 326 DAG size of output 99 [2018-04-13 06:16:45,437 WARN L151 SmtUtils]: Spent 198ms on a formula simplification. DAG size of input: 328 DAG size of output 104 [2018-04-13 06:16:46,067 WARN L151 SmtUtils]: Spent 301ms on a formula simplification. DAG size of input: 318 DAG size of output 144 [2018-04-13 06:16:46,823 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 223 DAG size of output 168 [2018-04-13 06:16:47,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:16:47,470 INFO L93 Difference]: Finished difference Result 283 states and 301 transitions. [2018-04-13 06:16:47,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-13 06:16:47,470 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-04-13 06:16:47,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:16:47,471 INFO L225 Difference]: With dead ends: 283 [2018-04-13 06:16:47,471 INFO L226 Difference]: Without dead ends: 283 [2018-04-13 06:16:47,471 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1757 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=1181, Invalid=5938, Unknown=21, NotChecked=0, Total=7140 [2018-04-13 06:16:47,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-04-13 06:16:47,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 207. [2018-04-13 06:16:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-13 06:16:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 222 transitions. [2018-04-13 06:16:47,473 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 222 transitions. Word has length 60 [2018-04-13 06:16:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:16:47,473 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 222 transitions. [2018-04-13 06:16:47,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 06:16:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 222 transitions. [2018-04-13 06:16:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-13 06:16:47,473 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:16:47,473 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:16:47,474 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:16:47,474 INFO L82 PathProgramCache]: Analyzing trace with hash 159701014, now seen corresponding path program 2 times [2018-04-13 06:16:47,474 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:16:47,474 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:16:47,474 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:47,474 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:16:47,474 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:16:47,482 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:16:47,485 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:16:47,485 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:16:47,485 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:16:47,485 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:16:47,527 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:16:47,527 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:16:47,530 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:16:47,560 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 [2018-04-13 06:16:47,563 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 [2018-04-13 06:16:47,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,566 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-13 06:16:47,580 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 [2018-04-13 06:16:47,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:16:47,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 43 [2018-04-13 06:16:47,599 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 28 treesize of output 27 [2018-04-13 06:16:47,599 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,609 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,613 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:29 [2018-04-13 06:16:47,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2018-04-13 06:16:47,636 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 51 treesize of output 50 [2018-04-13 06:16:47,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2018-04-13 06:16:47,684 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 33 treesize of output 38 [2018-04-13 06:16:47,684 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,706 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 2 case distinctions, treesize of input 30 treesize of output 45 [2018-04-13 06:16:47,707 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:16:47,720 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:47,731 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:47,731 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:57, output treesize:86 [2018-04-13 06:16:47,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 59 [2018-04-13 06:16:47,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,765 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 72 treesize of output 67 [2018-04-13 06:16:47,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 48 [2018-04-13 06:16:47,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 68 [2018-04-13 06:16:47,798 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,808 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,839 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 59 treesize of output 48 [2018-04-13 06:16:47,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,842 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 45 treesize of output 58 [2018-04-13 06:16:47,842 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,849 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 79 [2018-04-13 06:16:47,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 84 [2018-04-13 06:16:47,896 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-13 06:16:47,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:47,949 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 62 treesize of output 69 [2018-04-13 06:16:47,949 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:47,979 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:16:48,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2018-04-13 06:16:48,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,016 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:48,017 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 0 case distinctions, treesize of input 21 treesize of output 32 [2018-04-13 06:16:48,018 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,024 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 72 [2018-04-13 06:16:48,037 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 73 [2018-04-13 06:16:48,038 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,072 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 2 case distinctions, treesize of input 55 treesize of output 78 [2018-04-13 06:16:48,072 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-13 06:16:48,117 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:48,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2018-04-13 06:16:48,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,122 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 44 [2018-04-13 06:16:48,123 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,131 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-13 06:16:48,162 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 9 variables, input treesize:137, output treesize:140 [2018-04-13 06:16:48,245 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:16:48,248 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,271 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 50 treesize of output 44 [2018-04-13 06:16:48,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 06:16:48,272 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,277 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,298 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 58 treesize of output 54 [2018-04-13 06:16:48,300 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 41 [2018-04-13 06:16:48,300 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,314 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 41 treesize of output 36 [2018-04-13 06:16:48,315 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,329 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 46 treesize of output 36 [2018-04-13 06:16:48,329 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,338 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,355 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 47 treesize of output 39 [2018-04-13 06:16:48,356 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 29 treesize of output 18 [2018-04-13 06:16:48,356 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,360 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:16:48,375 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:206, output treesize:89 [2018-04-13 06:16:48,447 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 28 treesize of output 27 [2018-04-13 06:16:48,447 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,457 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 [2018-04-13 06:16:48,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:16:48,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:62 [2018-04-13 06:16:48,518 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:16:48,519 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:48,526 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 [2018-04-13 06:16:48,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:48,531 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:82, output treesize:33 [2018-04-13 06:16:48,552 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 35 treesize of output 29 [2018-04-13 06:16:48,553 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 5 [2018-04-13 06:16:48,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-13 06:16:48,557 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:48,560 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:39, output treesize:3 [2018-04-13 06:16:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:16:48,582 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:16:48,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 06:16:48,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 06:16:48,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 06:16:48,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:16:48,582 INFO L87 Difference]: Start difference. First operand 207 states and 222 transitions. Second operand 20 states. [2018-04-13 06:16:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:16:50,031 INFO L93 Difference]: Finished difference Result 253 states and 271 transitions. [2018-04-13 06:16:50,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 06:16:50,031 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 61 [2018-04-13 06:16:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:16:50,032 INFO L225 Difference]: With dead ends: 253 [2018-04-13 06:16:50,032 INFO L226 Difference]: Without dead ends: 253 [2018-04-13 06:16:50,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=461, Invalid=1795, Unknown=0, NotChecked=0, Total=2256 [2018-04-13 06:16:50,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-13 06:16:50,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2018-04-13 06:16:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-04-13 06:16:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 234 transitions. [2018-04-13 06:16:50,036 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 234 transitions. Word has length 61 [2018-04-13 06:16:50,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:16:50,036 INFO L459 AbstractCegarLoop]: Abstraction has 218 states and 234 transitions. [2018-04-13 06:16:50,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 06:16:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 234 transitions. [2018-04-13 06:16:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-13 06:16:50,037 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:16:50,037 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-13 06:16:50,037 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:16:50,037 INFO L82 PathProgramCache]: Analyzing trace with hash 655764245, now seen corresponding path program 1 times [2018-04-13 06:16:50,037 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:16:50,037 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:16:50,038 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:50,038 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:16:50,038 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:16:50,050 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:16:50,055 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:16:50,055 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:16:50,055 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:16:50,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:16:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:16:50,104 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:16:50,117 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 06:16:50,117 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-13 06:16:50,127 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 [2018-04-13 06:16:50,128 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 [2018-04-13 06:16:50,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-13 06:16:50,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2018-04-13 06:16:50,153 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,159 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:35 [2018-04-13 06:16:50,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:16:50,186 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 [2018-04-13 06:16:50,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,200 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 29 treesize of output 30 [2018-04-13 06:16:50,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-04-13 06:16:50,202 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,206 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:60, output treesize:52 [2018-04-13 06:16:50,251 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 27 treesize of output 28 [2018-04-13 06:16:50,253 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 12 treesize of output 11 [2018-04-13 06:16:50,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,271 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 73 treesize of output 57 [2018-04-13 06:16:50,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-04-13 06:16:50,273 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,279 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,288 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:96, output treesize:80 [2018-04-13 06:16:50,305 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 [2018-04-13 06:16:50,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,319 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 83 [2018-04-13 06:16:50,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:97, output treesize:114 [2018-04-13 06:16:50,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 06:16:50,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2018-04-13 06:16:50,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:16:50,390 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,395 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 76 [2018-04-13 06:16:50,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 100 [2018-04-13 06:16:50,420 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,430 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,446 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:147, output treesize:133 [2018-04-13 06:16:50,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 141 [2018-04-13 06:16:50,557 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 [2018-04-13 06:16:50,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,575 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 [2018-04-13 06:16:50,575 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,591 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 151 treesize of output 141 [2018-04-13 06:16:50,592 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 [2018-04-13 06:16:50,592 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,613 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 11 treesize of output 3 [2018-04-13 06:16:50,613 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,627 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:50,669 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:303, output treesize:259 [2018-04-13 06:16:50,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 135 [2018-04-13 06:16:50,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:50,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 135 [2018-04-13 06:16:50,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:50,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:50,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:283, output treesize:175 [2018-04-13 06:16:51,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,042 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 103 [2018-04-13 06:16:51,042 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:51,055 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. [2018-04-13 06:16:51,055 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:70 [2018-04-13 06:16:51,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 53 [2018-04-13 06:16:51,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,141 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2018-04-13 06:16:51,141 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:51,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:51,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-13 06:16:51,151 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:51,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:51,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:51,160 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:71, output treesize:29 [2018-04-13 06:16:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:16:51,200 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:16:51,200 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 06:16:51,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 06:16:51,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 06:16:51,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2018-04-13 06:16:51,200 INFO L87 Difference]: Start difference. First operand 218 states and 234 transitions. Second operand 26 states. [2018-04-13 06:16:52,071 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 106 DAG size of output 98 [2018-04-13 06:16:52,750 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 112 DAG size of output 95 [2018-04-13 06:16:53,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:16:53,928 INFO L93 Difference]: Finished difference Result 246 states and 264 transitions. [2018-04-13 06:16:53,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-13 06:16:53,928 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2018-04-13 06:16:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:16:53,929 INFO L225 Difference]: With dead ends: 246 [2018-04-13 06:16:53,929 INFO L226 Difference]: Without dead ends: 246 [2018-04-13 06:16:53,929 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=917, Invalid=3639, Unknown=0, NotChecked=0, Total=4556 [2018-04-13 06:16:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-13 06:16:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 219. [2018-04-13 06:16:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-04-13 06:16:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 235 transitions. [2018-04-13 06:16:53,931 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 235 transitions. Word has length 62 [2018-04-13 06:16:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:16:53,931 INFO L459 AbstractCegarLoop]: Abstraction has 219 states and 235 transitions. [2018-04-13 06:16:53,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 06:16:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2018-04-13 06:16:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-13 06:16:53,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:16:53,931 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-04-13 06:16:53,931 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:16:53,932 INFO L82 PathProgramCache]: Analyzing trace with hash 604963391, now seen corresponding path program 3 times [2018-04-13 06:16:53,932 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:16:53,932 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:16:53,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:53,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:16:53,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:16:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:16:53,939 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:16:53,941 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:16:53,941 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:16:53,941 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:16:53,942 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:16:53,966 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:16:53,966 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:16:53,969 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:16:53,995 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 [2018-04-13 06:16:53,996 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 [2018-04-13 06:16:53,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:53,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 06:16:54,011 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 25 treesize of output 20 [2018-04-13 06:16:54,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 06:16:54,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,018 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,026 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 [2018-04-13 06:16:54,028 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 10 treesize of output 9 [2018-04-13 06:16:54,028 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,029 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,035 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,035 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-04-13 06:16:54,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,061 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 [2018-04-13 06:16:54,061 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,067 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:32 [2018-04-13 06:16:54,089 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 [2018-04-13 06:16:54,090 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 8 treesize of output 7 [2018-04-13 06:16:54,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,104 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 26 treesize of output 35 [2018-04-13 06:16:54,105 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 [2018-04-13 06:16:54,105 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,109 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,117 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:59 [2018-04-13 06:16:54,135 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 93 treesize of output 83 [2018-04-13 06:16:54,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 39 [2018-04-13 06:16:54,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,145 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,158 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:54,158 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 49 treesize of output 43 [2018-04-13 06:16:54,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,160 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 28 treesize of output 38 [2018-04-13 06:16:54,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,165 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,173 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:81 [2018-04-13 06:16:54,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,194 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 74 [2018-04-13 06:16:54,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 93 [2018-04-13 06:16:54,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 48 [2018-04-13 06:16:54,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-04-13 06:16:54,221 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,227 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,238 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:109, output treesize:101 [2018-04-13 06:16:54,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 06:16:54,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,292 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:96 [2018-04-13 06:16:54,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2018-04-13 06:16:54,344 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 18 treesize of output 16 [2018-04-13 06:16:54,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 73 [2018-04-13 06:16:54,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 06:16:54,377 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,388 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:54,403 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:121, output treesize:117 [2018-04-13 06:16:54,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,438 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,438 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,439 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 187 [2018-04-13 06:16:54,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,455 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:54,482 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 132 treesize of output 291 [2018-04-13 06:16:54,482 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:16:54,501 INFO L267 ElimStorePlain]: Start of recursive call 3: 64 dim-0 vars, End of recursive call: 64 dim-0 vars, and 54 xjuncts. [2018-04-13 06:16:55,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 20 dim-0 vars, and 14 xjuncts. [2018-04-13 06:16:55,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 292 [2018-04-13 06:16:55,393 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,399 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,408 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,408 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,469 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 289 [2018-04-13 06:16:55,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,486 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,493 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,494 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,555 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 300 [2018-04-13 06:16:55,565 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,571 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,579 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,580 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,645 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,651 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 244 [2018-04-13 06:16:55,654 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,658 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,661 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,669 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,670 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,726 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 292 [2018-04-13 06:16:55,735 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,741 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,749 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,750 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,812 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 285 [2018-04-13 06:16:55,822 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,828 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,836 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,837 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,900 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 253 [2018-04-13 06:16:55,910 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,916 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,924 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:55,925 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,984 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:55,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,988 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:55,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 296 [2018-04-13 06:16:55,995 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:55,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,001 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,009 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,010 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,073 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 293 [2018-04-13 06:16:56,082 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,088 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,095 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,096 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,157 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 278 [2018-04-13 06:16:56,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,174 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,182 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,183 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,244 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 246 [2018-04-13 06:16:56,255 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,259 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,267 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,267 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,324 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,329 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,333 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 253 [2018-04-13 06:16:56,339 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,347 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,358 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,359 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,429 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 253 [2018-04-13 06:16:56,439 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,444 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,452 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 150 [2018-04-13 06:16:56,453 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,512 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 06:16:56,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 176 [2018-04-13 06:16:56,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:56,522 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:56,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 103 [2018-04-13 06:16:56,523 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:56,543 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:57,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 86 dim-0 vars, and 40 xjuncts. [2018-04-13 06:16:57,808 INFO L202 ElimStorePlain]: Needed 31 recursive calls to eliminate 2 variables, input treesize:201, output treesize:8424 [2018-04-13 06:16:58,297 WARN L151 SmtUtils]: Spent 265ms on a formula simplification. DAG size of input: 805 DAG size of output 48 [2018-04-13 06:16:58,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 212 [2018-04-13 06:16:58,310 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,311 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 48 treesize of output 59 [2018-04-13 06:16:58,311 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:58,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:58,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,395 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 204 [2018-04-13 06:16:58,402 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,410 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 212 treesize of output 268 [2018-04-13 06:16:58,410 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:16:58,469 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:58,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 245 [2018-04-13 06:16:58,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,539 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 106 [2018-04-13 06:16:58,539 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:16:58,572 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:58,615 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 186 [2018-04-13 06:16:58,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:58,631 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 242 [2018-04-13 06:16:58,631 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:16:58,669 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:16:58,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:16:58,716 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:385, output treesize:369 [2018-04-13 06:16:59,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,695 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 203 [2018-04-13 06:16:59,722 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 92 treesize of output 136 [2018-04-13 06:16:59,727 INFO L267 ElimStorePlain]: Start of recursive call 3: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 15 xjuncts. [2018-04-13 06:16:59,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,805 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,806 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,806 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 98 [2018-04-13 06:16:59,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:16:59,832 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,832 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 0 case distinctions, treesize of input 67 treesize of output 51 [2018-04-13 06:16:59,833 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:59,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:16:59,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,906 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 200 [2018-04-13 06:16:59,912 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,918 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,939 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2018-04-13 06:16:59,941 INFO L267 ElimStorePlain]: Start of recursive call 7: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-13 06:16:59,982 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:16:59,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:16:59,982 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 18 treesize of output 13 [2018-04-13 06:16:59,983 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,003 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 30 treesize of output 24 [2018-04-13 06:17:00,003 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,018 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,061 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:00,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 100 [2018-04-13 06:17:00,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,081 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 75 [2018-04-13 06:17:00,084 INFO L267 ElimStorePlain]: Start of recursive call 11: 15 dim-0 vars, End of recursive call: 15 dim-0 vars, and 10 xjuncts. [2018-04-13 06:17:00,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,118 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:00,118 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-04-13 06:17:00,118 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,128 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:00,129 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 0 case distinctions, treesize of input 25 treesize of output 17 [2018-04-13 06:17:00,129 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,134 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 83 [2018-04-13 06:17:00,165 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:00,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-04-13 06:17:00,168 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,187 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:00,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,188 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 18 treesize of output 13 [2018-04-13 06:17:00,188 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:00,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-13 06:17:00,202 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,210 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:00,224 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 10 variables, input treesize:461, output treesize:12 [2018-04-13 06:17:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:17:00,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:17:00,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 06:17:00,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 06:17:00,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 06:17:00,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-04-13 06:17:00,304 INFO L87 Difference]: Start difference. First operand 219 states and 235 transitions. Second operand 29 states. [2018-04-13 06:17:02,345 WARN L151 SmtUtils]: Spent 422ms on a formula simplification. DAG size of input: 110 DAG size of output 109 [2018-04-13 06:17:02,756 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 105 [2018-04-13 06:17:03,252 WARN L148 SmtUtils]: Spent 171ms on a formula simplification that was a NOOP. DAG size: 156 [2018-04-13 06:17:03,856 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 154 DAG size of output 153 [2018-04-13 06:17:04,159 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 150 DAG size of output 149 [2018-04-13 06:17:05,327 WARN L151 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 129 DAG size of output 122 [2018-04-13 06:17:05,720 WARN L151 SmtUtils]: Spent 206ms on a formula simplification. DAG size of input: 142 DAG size of output 126 [2018-04-13 06:17:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:17:06,399 INFO L93 Difference]: Finished difference Result 246 states and 263 transitions. [2018-04-13 06:17:06,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-13 06:17:06,399 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 63 [2018-04-13 06:17:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:17:06,401 INFO L225 Difference]: With dead ends: 246 [2018-04-13 06:17:06,401 INFO L226 Difference]: Without dead ends: 246 [2018-04-13 06:17:06,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=422, Invalid=3484, Unknown=0, NotChecked=0, Total=3906 [2018-04-13 06:17:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-13 06:17:06,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2018-04-13 06:17:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-13 06:17:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 230 transitions. [2018-04-13 06:17:06,403 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 230 transitions. Word has length 63 [2018-04-13 06:17:06,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:17:06,404 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 230 transitions. [2018-04-13 06:17:06,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 06:17:06,404 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 230 transitions. [2018-04-13 06:17:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 06:17:06,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:17:06,404 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-04-13 06:17:06,404 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:17:06,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1904606840, now seen corresponding path program 1 times [2018-04-13 06:17:06,404 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:17:06,404 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:17:06,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:17:06,405 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:17:06,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:17:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:17:06,412 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:17:06,414 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:17:06,414 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:17:06,414 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:17:06,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:17:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:17:06,439 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:17:06,442 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 [2018-04-13 06:17:06,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,444 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:17:06,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,455 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 06:17:06,455 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,458 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-04-13 06:17:06,470 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:17:06,471 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 8 treesize of output 7 [2018-04-13 06:17:06,471 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-13 06:17:06,487 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 39 treesize of output 35 [2018-04-13 06:17:06,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 06:17:06,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,495 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. [2018-04-13 06:17:06,495 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2018-04-13 06:17:06,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-04-13 06:17:06,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,522 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. [2018-04-13 06:17:06,522 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:59 [2018-04-13 06:17:06,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-13 06:17:06,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 54 [2018-04-13 06:17:06,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:17:06,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:72, output treesize:77 [2018-04-13 06:17:06,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 97 [2018-04-13 06:17:06,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,607 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. [2018-04-13 06:17:06,607 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:104 [2018-04-13 06:17:06,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 99 [2018-04-13 06:17:06,665 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 8 treesize of output 7 [2018-04-13 06:17:06,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,691 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. [2018-04-13 06:17:06,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:114 [2018-04-13 06:17:06,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 115 [2018-04-13 06:17:06,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 165 [2018-04-13 06:17:06,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,757 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. [2018-04-13 06:17:06,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:184, output treesize:176 [2018-04-13 06:17:06,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 130 [2018-04-13 06:17:06,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:06,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 177 [2018-04-13 06:17:06,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:06,822 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. [2018-04-13 06:17:06,822 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:189, output treesize:185 [2018-04-13 06:17:07,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 133 [2018-04-13 06:17:07,088 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:07,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:17:07,117 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:219, output treesize:167 [2018-04-13 06:17:07,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:07,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 122 [2018-04-13 06:17:07,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-13 06:17:07,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:07,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-13 06:17:07,368 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:07,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 111 [2018-04-13 06:17:07,403 INFO L267 ElimStorePlain]: Start of recursive call 5: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 9 xjuncts. [2018-04-13 06:17:07,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 8 xjuncts. [2018-04-13 06:17:07,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 15 dim-0 vars, and 8 xjuncts. [2018-04-13 06:17:07,656 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:189, output treesize:548 [2018-04-13 06:17:07,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 56 [2018-04-13 06:17:07,795 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:07,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:07,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 65 [2018-04-13 06:17:07,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 8 xjuncts. [2018-04-13 06:17:07,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 15 dim-0 vars, and 5 xjuncts. [2018-04-13 06:17:07,900 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:85, output treesize:170 [2018-04-13 06:17:08,057 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:08,057 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:08,058 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:08,058 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:08,059 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:08,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 51 [2018-04-13 06:17:08,059 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:08,069 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 1 xjuncts. [2018-04-13 06:17:08,069 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:35, output treesize:33 [2018-04-13 06:17:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 22 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:17:08,138 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:17:08,138 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 06:17:08,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 06:17:08,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 06:17:08,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=938, Unknown=4, NotChecked=0, Total=1056 [2018-04-13 06:17:08,138 INFO L87 Difference]: Start difference. First operand 214 states and 230 transitions. Second operand 33 states. [2018-04-13 06:17:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:17:13,125 INFO L93 Difference]: Finished difference Result 237 states and 252 transitions. [2018-04-13 06:17:13,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-13 06:17:13,125 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-04-13 06:17:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:17:13,126 INFO L225 Difference]: With dead ends: 237 [2018-04-13 06:17:13,126 INFO L226 Difference]: Without dead ends: 237 [2018-04-13 06:17:13,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=663, Invalid=3752, Unknown=7, NotChecked=0, Total=4422 [2018-04-13 06:17:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-04-13 06:17:13,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 222. [2018-04-13 06:17:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-04-13 06:17:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 241 transitions. [2018-04-13 06:17:13,129 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 241 transitions. Word has length 64 [2018-04-13 06:17:13,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:17:13,129 INFO L459 AbstractCegarLoop]: Abstraction has 222 states and 241 transitions. [2018-04-13 06:17:13,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 06:17:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 241 transitions. [2018-04-13 06:17:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 06:17:13,130 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:17:13,130 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-04-13 06:17:13,130 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr21AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 06:17:13,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1904606839, now seen corresponding path program 1 times [2018-04-13 06:17:13,131 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:17:13,131 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:17:13,131 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:17:13,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:17:13,131 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:17:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:17:13,138 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:17:13,141 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:17:13,141 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:17:13,141 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:17:13,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:17:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:17:13,189 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:17:13,191 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 [2018-04-13 06:17:13,191 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:17:13,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,223 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 12 treesize of output 15 [2018-04-13 06:17:13,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,232 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 [2018-04-13 06:17:13,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-13 06:17:13,262 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:17:13,264 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 [2018-04-13 06:17:13,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,274 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:17:13,275 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 8 treesize of output 7 [2018-04-13 06:17:13,275 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,276 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,283 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:43 [2018-04-13 06:17:13,300 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 65 treesize of output 61 [2018-04-13 06:17:13,302 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 12 treesize of output 11 [2018-04-13 06:17:13,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,319 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 27 treesize of output 28 [2018-04-13 06:17:13,321 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 12 treesize of output 11 [2018-04-13 06:17:13,321 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,323 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:88, output treesize:72 [2018-04-13 06:17:13,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 46 [2018-04-13 06:17:13,352 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-04-13 06:17:13,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:86 [2018-04-13 06:17:13,417 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 52 [2018-04-13 06:17:13,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 72 [2018-04-13 06:17:13,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,450 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 32 treesize of output 35 [2018-04-13 06:17:13,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:17:13,453 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,458 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,473 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:112, output treesize:104 [2018-04-13 06:17:13,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 99 [2018-04-13 06:17:13,524 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 55 [2018-04-13 06:17:13,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:115, output treesize:96 [2018-04-13 06:17:13,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 84 [2018-04-13 06:17:13,617 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 8 treesize of output 7 [2018-04-13 06:17:13,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 51 [2018-04-13 06:17:13,649 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 [2018-04-13 06:17:13,649 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,654 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,676 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:121, output treesize:117 [2018-04-13 06:17:13,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 191 [2018-04-13 06:17:13,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,720 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 270 [2018-04-13 06:17:13,722 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 206 [2018-04-13 06:17:13,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,775 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 28 treesize of output 47 [2018-04-13 06:17:13,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,791 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,809 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:241, output treesize:205 [2018-04-13 06:17:13,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 185 [2018-04-13 06:17:13,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 242 [2018-04-13 06:17:13,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 197 [2018-04-13 06:17:13,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:13,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 227 [2018-04-13 06:17:13,910 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:17:13,955 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:233, output treesize:225 [2018-04-13 06:17:14,417 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,418 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,419 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:14,423 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 0 case distinctions, treesize of input 198 treesize of output 206 [2018-04-13 06:17:14,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,429 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:14,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 36 [2018-04-13 06:17:14,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 06:17:14,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 137 [2018-04-13 06:17:14,467 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:14,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,470 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,470 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 128 treesize of output 126 [2018-04-13 06:17:14,470 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:17:14,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 103 [2018-04-13 06:17:14,509 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:17:14,510 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 112 treesize of output 96 [2018-04-13 06:17:14,510 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:17:14,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:17:14,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2018-04-13 06:17:14,577 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:273, output treesize:307 [2018-04-13 06:17:14,912 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,913 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:17:14,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 149 [2018-04-13 06:17:14,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:17:14,990 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 66 treesize of output 213 [2018-04-13 06:17:14,990 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-04-13 06:17:17,351 INFO L267 ElimStorePlain]: Start of recursive call 3: 2069 dim-0 vars, End of recursive call: 2069 dim-0 vars, and 662 xjuncts. Received shutdown request... [2018-04-13 06:22:30,295 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-13 06:22:30,296 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-13 06:22:30,299 WARN L197 ceAbstractionStarter]: Timeout [2018-04-13 06:22:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 06:22:30 BoogieIcfgContainer [2018-04-13 06:22:30,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 06:22:30,299 INFO L168 Benchmark]: Toolchain (without parser) took 846437.08 ms. Allocated memory was 403.7 MB in the beginning and 554.7 MB in the end (delta: 151.0 MB). Free memory was 338.0 MB in the beginning and 369.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 277.2 MB. Max. memory is 5.3 GB. [2018-04-13 06:22:30,300 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 403.7 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 06:22:30,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.05 ms. Allocated memory is still 403.7 MB. Free memory was 338.0 MB in the beginning and 314.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-13 06:22:30,301 INFO L168 Benchmark]: Boogie Preprocessor took 34.21 ms. Allocated memory is still 403.7 MB. Free memory was 314.1 MB in the beginning and 311.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 06:22:30,301 INFO L168 Benchmark]: RCFGBuilder took 397.49 ms. Allocated memory was 403.7 MB in the beginning and 609.2 MB in the end (delta: 205.5 MB). Free memory was 311.5 MB in the beginning and 542.7 MB in the end (delta: -231.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-13 06:22:30,301 INFO L168 Benchmark]: TraceAbstraction took 845783.98 ms. Allocated memory was 609.2 MB in the beginning and 554.7 MB in the end (delta: -54.5 MB). Free memory was 542.7 MB in the beginning and 369.5 MB in the end (delta: 173.3 MB). Peak memory consumption was 276.4 MB. Max. memory is 5.3 GB. [2018-04-13 06:22:30,303 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 403.7 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 219.05 ms. Allocated memory is still 403.7 MB. Free memory was 338.0 MB in the beginning and 314.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.21 ms. Allocated memory is still 403.7 MB. Free memory was 314.1 MB in the beginning and 311.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 397.49 ms. Allocated memory was 403.7 MB in the beginning and 609.2 MB in the end (delta: 205.5 MB). Free memory was 311.5 MB in the beginning and 542.7 MB in the end (delta: -231.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 845783.98 ms. Allocated memory was 609.2 MB in the beginning and 554.7 MB in the end (delta: -54.5 MB). Free memory was 542.7 MB in the beginning and 369.5 MB in the end (delta: 173.3 MB). Peak memory consumption was 276.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 651]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 651]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 631]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 631). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 644]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 644). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 644]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 644). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was analyzing trace of length 65 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 21727. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 25 error locations. TIMEOUT Result, 845.7s OverallTime, 52 OverallIterations, 3 TraceHistogramMax, 392.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2415 SDtfs, 7815 SDslu, 17220 SDs, 0 SdLazy, 26627 SolverSat, 2734 SolverUnsat, 284 SolverUnknown, 0 SolverNotchecked, 324.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2870 GetRequests, 1205 SyntacticMatches, 21 SemanticMatches, 1644 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 16904 ImplicationChecksByTransitivity, 146.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 51 MinimizatonAttempts, 1253 StatesRemovedByMinimization, 50 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 134.5s InterpolantComputationTime, 3996 NumberOfCodeBlocks, 3996 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 2110 ConstructedInterpolants, 688 QuantifiedInterpolants, 6371473 SizeOfPredicates, 662 NumberOfNonLiveVariables, 7438 ConjunctsInSsa, 1791 ConjunctsInUnsatCore, 51 InterpolantComputations, 17 PerfectInterpolantSequences, 160/657 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll_extends_pointer_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_06-22-30-307.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll_extends_pointer_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_06-22-30-307.csv Completed graceful shutdown