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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:29:15,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:29:15,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:29:15,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:29:15,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:29:15,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:29:15,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:29:15,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:29:15,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:29:15,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:29:15,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:29:15,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:29:15,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:29:15,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:29:15,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:29:15,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:29:15,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:29:15,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:29:15,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:29:15,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:29:15,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:29:15,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:29:15,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:29:15,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:29:15,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:29:15,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:29:15,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:29:15,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:29:15,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:29:15,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:29:15,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:29:15,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:29:15,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:29:15,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:29:15,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:29:15,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:29:15,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:29:15,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:29:15,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:29:15,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:29:15,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:29:15,889 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 [2019-09-20 19:29:15,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:29:15,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:29:15,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:29:15,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:29:15,926 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:29:15,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:29:15,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:29:15,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:29:15,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:29:15,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:29:15,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:29:15,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:29:15,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:29:15,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:29:15,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:29:15,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:29:15,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:29:15,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:29:15,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:29:15,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:29:15,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:29:15,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:15,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:29:15,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:29:15,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:29:15,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:29:15,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:29:15,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:29:15,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:29:15,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:29:15,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:29:15,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:29:15,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:29:15,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:29:15,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 19:29:16,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1becfd74/df010a285ba045cfa2f96c13c68a10da/FLAGa8bd1a1fe [2019-09-20 19:29:16,621 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:16,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 19:29:16,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1becfd74/df010a285ba045cfa2f96c13c68a10da/FLAGa8bd1a1fe [2019-09-20 19:29:16,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1becfd74/df010a285ba045cfa2f96c13c68a10da [2019-09-20 19:29:16,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:16,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:16,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:16,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:16,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:16,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:16" (1/1) ... [2019-09-20 19:29:16,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7bc556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:16, skipping insertion in model container [2019-09-20 19:29:16,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:16" (1/1) ... [2019-09-20 19:29:16,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:17,006 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:17,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:17,507 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:17,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:17,641 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:17,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17 WrapperNode [2019-09-20 19:29:17,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:17,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:17,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:17,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:17,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (1/1) ... [2019-09-20 19:29:17,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:17,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:17,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:17,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:17,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:17" (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 [2019-09-20 19:29:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:29:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:29:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:29:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 19:29:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:29:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:29:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:29:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:29:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:29:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:29:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:29:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:29:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:29:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:29:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:29:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:29:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:29:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:29:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:29:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:29:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:29:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:29:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:29:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:29:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:29:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:29:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:29:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:29:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:29:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:29:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:29:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:29:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:29:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:29:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:29:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:29:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:29:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:29:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:29:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:29:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:29:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:29:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:29:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:29:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:29:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:29:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:29:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:29:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:29:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:29:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:29:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:29:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:29:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:29:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:29:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:29:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:29:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:29:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:29:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 19:29:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:18,339 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:29:18,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:18,428 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:29:18,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:18 BoogieIcfgContainer [2019-09-20 19:29:18,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:18,432 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:18,432 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:18,432 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:18,434 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,435 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:29:18,472 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:18,472 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:18,480 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:18,489 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:18,491 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:18,636 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:29:18,793 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:29:18,830 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:18,935 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 19:29:19,624 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 19:29:19,821 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-20 19:29:20,808 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:29:21,171 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 19:29:21,446 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 19:29:21,719 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 19:29:21,850 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 19:29:22,020 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:29:22,350 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-20 19:29:22,649 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-20 19:29:22,850 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 19:29:23,208 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2019-09-20 19:29:23,351 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:29:23,537 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:29:23,923 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-20 19:29:24,070 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:29:24,198 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:29:24,325 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:29:24,601 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:29:24,892 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:29:25,698 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2019-09-20 19:29:26,477 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-20 19:29:26,905 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 19:29:27,800 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-09-20 19:29:28,544 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2019-09-20 19:29:28,929 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 19:29:29,448 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 19:29:30,855 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 166 DAG size of output: 139 [2019-09-20 19:29:31,780 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2019-09-20 19:29:32,347 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 19:29:33,423 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 135 [2019-09-20 19:29:33,915 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 19:29:34,486 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 19:29:35,618 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2019-09-20 19:29:36,097 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 19:29:36,500 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 19:29:36,945 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 19:29:38,003 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-20 19:29:38,702 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-20 19:29:38,815 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:40,219 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-20 19:29:40,423 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-20 19:29:40,646 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:40,863 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 19:29:41,118 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 19:29:41,355 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-20 19:29:41,901 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-20 19:29:42,054 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-20 19:29:42,529 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-20 19:29:42,799 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 19:29:43,167 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-20 19:29:43,733 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 111 [2019-09-20 19:29:43,997 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 19:29:44,342 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 19:29:44,670 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 19:29:45,111 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:46,343 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:49,187 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 196 DAG size of output: 124 [2019-09-20 19:29:49,529 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 19:29:49,884 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-20 19:29:50,066 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-20 19:29:50,229 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-20 19:29:50,539 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-20 19:29:52,458 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 260 DAG size of output: 216 [2019-09-20 19:29:52,699 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 19:29:52,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-20 19:29:52,711 INFO L168 Benchmark]: Toolchain (without parser) took 35771.96 ms. Allocated memory was 136.3 MB in the beginning and 497.0 MB in the end (delta: 360.7 MB). Free memory was 87.4 MB in the beginning and 153.9 MB in the end (delta: -66.5 MB). Peak memory consumption was 358.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,712 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 136.3 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.71 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 87.2 MB in the beginning and 163.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,713 INFO L168 Benchmark]: Boogie Preprocessor took 74.41 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 160.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,713 INFO L168 Benchmark]: RCFGBuilder took 713.53 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 110.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,714 INFO L168 Benchmark]: Sifa took 34278.62 ms. Allocated memory was 200.3 MB in the beginning and 497.0 MB in the end (delta: 296.7 MB). Free memory was 110.9 MB in the beginning and 153.9 MB in the end (delta: -43.0 MB). Peak memory consumption was 317.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:52,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 136.3 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.71 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 87.2 MB in the beginning and 163.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.41 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 160.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 713.53 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 110.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * Sifa took 34278.62 ms. Allocated memory was 200.3 MB in the beginning and 497.0 MB in the end (delta: 296.7 MB). Free memory was 110.9 MB in the beginning and 153.9 MB in the end (delta: -43.0 MB). Peak memory consumption was 317.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...