java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_of_sll_nondet_append-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:18:37,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:18:37,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:18:37,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:18:37,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:18:37,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:18:37,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:18:37,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:18:37,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:18:37,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:18:37,841 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:18:37,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:18:37,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:18:37,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:18:37,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:18:37,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:18:37,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:18:37,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:18:37,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:18:37,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:18:37,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:18:37,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:18:37,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:18:37,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:18:37,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:18:37,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:18:37,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:18:37,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:18:37,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:18:37,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:18:37,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:18:37,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:18:37,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:18:37,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:18:37,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:18:37,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:18:37,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:18:37,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:18:37,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:18:37,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:18:37,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:18:37,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 07:18:37,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:18:37,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:18:37,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:18:37,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:18:37,885 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:18:37,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:18:37,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:18:37,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:18:37,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:18:37,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:18:37,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:18:37,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:18:37,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:18:37,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:18:37,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:18:37,888 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:18:37,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:18:37,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:18:37,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:18:37,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:18:37,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:18:37,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:18:37,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:18:37,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:18:37,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:18:37,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:18:37,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:18:37,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:18:37,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:18:37,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:18:37,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:18:37,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:18:37,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:18:37,957 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:18:37,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_of_sll_nondet_append-2.i [2019-08-18 07:18:38,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65dac2227/608f07439f684031b40499a1ff402d8b/FLAG93802c842 [2019-08-18 07:18:38,620 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:18:38,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_of_sll_nondet_append-2.i [2019-08-18 07:18:38,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65dac2227/608f07439f684031b40499a1ff402d8b/FLAG93802c842 [2019-08-18 07:18:38,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65dac2227/608f07439f684031b40499a1ff402d8b [2019-08-18 07:18:38,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:18:38,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:18:38,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:38,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:18:38,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:18:38,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:38" (1/1) ... [2019-08-18 07:18:38,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70276363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:38, skipping insertion in model container [2019-08-18 07:18:38,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:38" (1/1) ... [2019-08-18 07:18:38,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:18:38,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:18:39,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:39,441 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:18:39,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:39,553 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:18:39,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39 WrapperNode [2019-08-18 07:18:39,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:39,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:18:39,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:18:39,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:18:39,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... [2019-08-18 07:18:39,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:18:39,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:18:39,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:18:39,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:18:39,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:39" (1/1) ... No working directory specified, using /storage/repos/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 [2019-08-18 07:18:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create_with_sublist [2019-08-18 07:18:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-08-18 07:18:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2019-08-18 07:18:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_hierarchical_destroy [2019-08-18 07:18:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:18:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:18:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:18:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:18:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:18:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:18:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:18:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:18:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:18:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:18:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:18:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:18:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:18:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:18:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:18:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:18:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:18:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:18:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:18:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:18:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:18:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:18:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:18:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:18:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure node_create_with_sublist [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure sll_hierarchical_destroy [2019-08-18 07:18:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:18:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:18:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:18:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:18:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:18:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:18:40,111 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:18:40,430 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:18:40,430 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-18 07:18:40,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:40 BoogieIcfgContainer [2019-08-18 07:18:40,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:18:40,432 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:18:40,432 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:18:40,433 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:18:40,434 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:40" (1/1) ... [2019-08-18 07:18:40,446 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:18:40,449 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:18:40,455 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:18:40,464 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:18:40,466 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:18:40,554 INFO L375 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 [2019-08-18 07:18:40,555 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,569 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:40,570 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,570 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:18:40,580 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 07:18:40,646 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_33|]} [2019-08-18 07:18:40,660 INFO L375 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 [2019-08-18 07:18:40,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:40,699 INFO L375 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 12 treesize of output 9 [2019-08-18 07:18:40,700 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,725 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:40,726 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,727 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:18:40,728 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:18:40,738 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_19|], 1=[|v_#valid_34|]} [2019-08-18 07:18:40,757 INFO L375 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 [2019-08-18 07:18:40,757 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,799 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:40,810 INFO L375 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 12 treesize of output 9 [2019-08-18 07:18:40,811 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:40,874 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,875 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:39 [2019-08-18 07:18:40,906 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:40,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,923 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 69 treesize of output 65 [2019-08-18 07:18:40,924 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:40,999 INFO L567 ElimStorePlain]: treesize reduction 4, result has 93.8 percent of original size [2019-08-18 07:18:41,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-18 07:18:41,009 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:41,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,048 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:139, output treesize:57 [2019-08-18 07:18:41,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:41,068 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_20|], 1=[v_prenex_1, |v_#valid_35|], 3=[v_prenex_2]} [2019-08-18 07:18:41,089 INFO L375 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 46 treesize of output 45 [2019-08-18 07:18:41,090 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,287 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-08-18 07:18:41,288 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.1 percent of original size [2019-08-18 07:18:41,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:41,303 INFO L375 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2019-08-18 07:18:41,305 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,409 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-08-18 07:18:41,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:41,424 INFO L375 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 45 treesize of output 42 [2019-08-18 07:18:41,426 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:41,562 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:41,563 INFO L375 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-08-18 07:18:41,565 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,769 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-08-18 07:18:41,770 INFO L567 ElimStorePlain]: treesize reduction 14, result has 89.0 percent of original size [2019-08-18 07:18:41,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:41,771 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:128, output treesize:113 [2019-08-18 07:18:41,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:41,788 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|, |v_#memory_$Pointer$.base_33|], 2=[v_prenex_3, v_prenex_4]} [2019-08-18 07:18:41,801 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 69 treesize of output 65 [2019-08-18 07:18:41,802 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:41,811 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:41,812 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,153 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-08-18 07:18:42,154 INFO L567 ElimStorePlain]: treesize reduction 112, result has 59.1 percent of original size [2019-08-18 07:18:42,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 61 treesize of output 57 [2019-08-18 07:18:42,171 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,281 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-18 07:18:42,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 100 treesize of output 99 [2019-08-18 07:18:42,304 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,541 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-08-18 07:18:42,541 INFO L567 ElimStorePlain]: treesize reduction 4, result has 97.4 percent of original size [2019-08-18 07:18:42,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:42,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 92 treesize of output 91 [2019-08-18 07:18:42,557 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,658 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-08-18 07:18:42,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:42,661 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:347, output treesize:163 [2019-08-18 07:18:42,675 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_36|]} [2019-08-18 07:18:42,682 INFO L375 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 [2019-08-18 07:18:42,682 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,710 INFO L375 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 12 treesize of output 9 [2019-08-18 07:18:42,711 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,729 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:18:42,747 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 60 [2019-08-18 07:18:42,748 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,753 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:42,753 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,811 INFO L567 ElimStorePlain]: treesize reduction 4, result has 93.3 percent of original size [2019-08-18 07:18:42,822 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-18 07:18:42,822 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,852 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,853 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:129, output treesize:38 [2019-08-18 07:18:42,864 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:42,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,871 INFO L375 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 34 treesize of output 32 [2019-08-18 07:18:42,872 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,905 INFO L567 ElimStorePlain]: treesize reduction 4, result has 86.2 percent of original size [2019-08-18 07:18:42,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-18 07:18:42,911 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,925 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:69, output treesize:20 [2019-08-18 07:18:42,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:42,943 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 17 [2019-08-18 07:18:42,944 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:42,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:42,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:43,002 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 17 [2019-08-18 07:18:43,003 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,041 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,041 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:40 [2019-08-18 07:18:43,055 INFO L375 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 19 treesize of output 11 [2019-08-18 07:18:43,056 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,089 INFO L375 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 19 treesize of output 11 [2019-08-18 07:18:43,090 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,109 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,110 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:48 [2019-08-18 07:18:43,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,140 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:43,140 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,145 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,148 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:43,149 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,153 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,153 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,153 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-08-18 07:18:43,183 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,184 INFO L375 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 2 case distinctions, treesize of input 26 treesize of output 57 [2019-08-18 07:18:43,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,260 INFO L567 ElimStorePlain]: treesize reduction 28, result has 72.3 percent of original size [2019-08-18 07:18:43,293 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:43,293 INFO L375 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 2 case distinctions, treesize of input 26 treesize of output 57 [2019-08-18 07:18:43,295 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,382 INFO L567 ElimStorePlain]: treesize reduction 36, result has 63.3 percent of original size [2019-08-18 07:18:43,383 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:43,384 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:62 [2019-08-18 07:18:43,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:43,706 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:18:43,707 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:18:43,709 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 504#true [2019-08-18 07:18:43,718 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:18:43,718 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:18:43,720 INFO L168 Benchmark]: Toolchain (without parser) took 4838.24 ms. Allocated memory was 141.0 MB in the beginning and 260.0 MB in the end (delta: 119.0 MB). Free memory was 86.2 MB in the beginning and 121.4 MB in the end (delta: -35.2 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:43,720 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:18:43,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 85.8 MB in the beginning and 163.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:43,722 INFO L168 Benchmark]: Boogie Preprocessor took 71.54 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 159.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:43,723 INFO L168 Benchmark]: RCFGBuilder took 804.06 ms. Allocated memory is still 199.8 MB. Free memory was 159.8 MB in the beginning and 108.3 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:43,723 INFO L168 Benchmark]: Symbolic Interpretation took 3285.69 ms. Allocated memory was 199.8 MB in the beginning and 260.0 MB in the end (delta: 60.3 MB). Free memory was 108.3 MB in the beginning and 121.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:43,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 652]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 504#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 85.8 MB in the beginning and 163.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.54 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 159.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 804.06 ms. Allocated memory is still 199.8 MB. Free memory was 159.8 MB in the beginning and 108.3 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3285.69 ms. Allocated memory was 199.8 MB in the beginning and 260.0 MB in the end (delta: 60.3 MB). Free memory was 108.3 MB in the beginning and 121.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...