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-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:14:59,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:14:59,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:14:59,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:14:59,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:14:59,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:14:59,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:14:59,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:14:59,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:14:59,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:14:59,843 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:14:59,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:14:59,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:14:59,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:14:59,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:14:59,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:14:59,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:14:59,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:14:59,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:14:59,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:14:59,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:14:59,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:14:59,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:14:59,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:14:59,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:14:59,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:14:59,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:14:59,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:14:59,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:14:59,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:14:59,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:14:59,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:14:59,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:14:59,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:14:59,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:14:59,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:14:59,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:14:59,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:14:59,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:14:59,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:14:59,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:14:59,872 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 07:14:59,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:14:59,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:14:59,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:14:59,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:14:59,893 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:14:59,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:14:59,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:14:59,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:14:59,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:14:59,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:14:59,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:14:59,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:14:59,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:14:59,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:14:59,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:14:59,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:14:59,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:14:59,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:14:59,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:14:59,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:14:59,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:14:59,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:14:59,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:14:59,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:14:59,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:14:59,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:14:59,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:14:59,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:14:59,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:14:59,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:14:59,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:14:59,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:14:59,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:14:59,983 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:14:59,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-08-18 07:15:00,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55defc1/33f5ed3315074369a62bdc2a6c13b6a9/FLAG2a52af704 [2019-08-18 07:15:00,634 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:00,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-08-18 07:15:00,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55defc1/33f5ed3315074369a62bdc2a6c13b6a9/FLAG2a52af704 [2019-08-18 07:15:01,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55defc1/33f5ed3315074369a62bdc2a6c13b6a9 [2019-08-18 07:15:01,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:01,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:01,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:01,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:01,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:01,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad3b2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01, skipping insertion in model container [2019-08-18 07:15:01,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:01,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:01,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:01,530 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:01,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:01,650 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:01,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01 WrapperNode [2019-08-18 07:15:01,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:01,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:01,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:01,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:01,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (1/1) ... [2019-08-18 07:15:01,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:01,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:01,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:01,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:01,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:01" (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 07:15:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:15:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-08-18 07:15:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:15:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:15:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:02,201 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:02,389 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:02,389 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-18 07:15:02,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:02 BoogieIcfgContainer [2019-08-18 07:15:02,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:02,391 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:02,391 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:02,392 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:02,393 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,406 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:02,408 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:02,415 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:02,424 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:02,426 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:02,514 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 07:15:02,514 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,528 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,529 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:02,541 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:02,561 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_29|]} [2019-08-18 07:15:02,570 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 07:15:02,571 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,612 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,623 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 07:15:02,624 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,654 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,655 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,655 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:02,657 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:02,680 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_24|, |v_#memory_int_22|, |v_#memory_$Pointer$.offset_24|], 2=[|v_#memory_int_8|]} [2019-08-18 07:15:02,694 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:02,694 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:02,712 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 110 treesize of output 99 [2019-08-18 07:15:02,713 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,850 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:02,851 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:02,862 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 19 treesize of output 1 [2019-08-18 07:15:02,863 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,938 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:02,952 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 20 treesize of output 9 [2019-08-18 07:15:02,953 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,986 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,994 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 07:15:02,994 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,030 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,031 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,032 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:03,072 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:03,076 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 21 treesize of output 13 [2019-08-18 07:15:03,076 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,144 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:03,147 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 21 treesize of output 13 [2019-08-18 07:15:03,148 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:03,195 INFO L375 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 27 treesize of output 11 [2019-08-18 07:15:03,196 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,235 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,236 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:03,263 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 109 treesize of output 107 [2019-08-18 07:15:03,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,510 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:03,511 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:03,521 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 99 treesize of output 97 [2019-08-18 07:15:03,522 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,649 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:03,650 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,662 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 88 [2019-08-18 07:15:03,664 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,773 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:03,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,784 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 79 [2019-08-18 07:15:03,785 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,908 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:03,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,917 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2019-08-18 07:15:03,918 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:04,003 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:04,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:04,038 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,045 INFO L375 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 111 treesize of output 103 [2019-08-18 07:15:04,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,263 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-18 07:15:04,264 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,273 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,277 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 100 treesize of output 92 [2019-08-18 07:15:04,278 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,420 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-18 07:15:04,421 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,429 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,432 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 102 treesize of output 94 [2019-08-18 07:15:04,434 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,595 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:15:04,596 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:04,612 INFO L375 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 89 treesize of output 73 [2019-08-18 07:15:04,613 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:04,732 INFO L375 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 91 treesize of output 75 [2019-08-18 07:15:04,732 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,820 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,831 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,835 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 72 treesize of output 64 [2019-08-18 07:15:04,836 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,924 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:04,924 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:04,969 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 23 treesize of output 13 [2019-08-18 07:15:04,970 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,007 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,018 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 23 treesize of output 13 [2019-08-18 07:15:05,018 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:05,052 INFO L375 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 27 treesize of output 11 [2019-08-18 07:15:05,053 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,088 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,089 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,089 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:05,120 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_19|, |v_#memory_int_26|], 10=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2019-08-18 07:15:05,127 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:15:05,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:05,276 INFO L341 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2019-08-18 07:15:05,277 INFO L375 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 2 case distinctions, treesize of input 43 treesize of output 38 [2019-08-18 07:15:05,279 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,379 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,410 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,411 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 3 case distinctions, treesize of input 47 treesize of output 64 [2019-08-18 07:15:05,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:05,412 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,534 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-08-18 07:15:05,534 INFO L567 ElimStorePlain]: treesize reduction 20, result has 85.4 percent of original size [2019-08-18 07:15:05,546 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,581 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,582 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 3 case distinctions, treesize of input 47 treesize of output 64 [2019-08-18 07:15:05,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:05,584 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,677 INFO L567 ElimStorePlain]: treesize reduction 20, result has 79.6 percent of original size [2019-08-18 07:15:05,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,678 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:163, output treesize:59 [2019-08-18 07:15:05,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:05,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:05,711 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:15:05,711 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:15:05,714 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 95#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))) [2019-08-18 07:15:05,724 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:15:05,725 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:15:05,726 INFO L168 Benchmark]: Toolchain (without parser) took 4714.56 ms. Allocated memory was 140.5 MB in the beginning and 259.0 MB in the end (delta: 118.5 MB). Free memory was 86.8 MB in the beginning and 168.9 MB in the end (delta: -82.2 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,727 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.29 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 86.3 MB in the beginning and 165.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,729 INFO L168 Benchmark]: Boogie Preprocessor took 64.37 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 162.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,730 INFO L168 Benchmark]: RCFGBuilder took 673.35 ms. Allocated memory is still 201.9 MB. Free memory was 162.8 MB in the beginning and 117.9 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,730 INFO L168 Benchmark]: Symbolic Interpretation took 3333.39 ms. Allocated memory was 201.9 MB in the beginning and 259.0 MB in the end (delta: 57.1 MB). Free memory was 117.9 MB in the beginning and 168.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:05,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 613]: 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 95#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.29 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 86.3 MB in the beginning and 165.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.37 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 162.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 673.35 ms. Allocated memory is still 201.9 MB. Free memory was 162.8 MB in the beginning and 117.9 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3333.39 ms. Allocated memory was 201.9 MB in the beginning and 259.0 MB in the end (delta: 57.1 MB). Free memory was 117.9 MB in the beginning and 168.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...