/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:55:22,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:55:22,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:55:22,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:55:22,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:55:22,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:55:22,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:55:22,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:55:22,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:55:22,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:55:22,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:55:22,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:55:22,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:55:22,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:55:22,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:55:22,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:55:22,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:55:22,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:55:22,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:55:22,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:55:22,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:55:22,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:55:22,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:55:22,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:55:22,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:55:22,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:55:22,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:55:22,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:55:22,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:55:22,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:55:22,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:55:22,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:55:22,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:55:22,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:55:22,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:55:22,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:55:22,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:55:22,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:55:22,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:55:22,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:55:22,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:55:22,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:55:22,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:55:22,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:55:22,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:55:22,911 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:55:22,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:55:22,912 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:55:22,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:55:22,912 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:55:22,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:55:22,913 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:55:22,913 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:55:22,913 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:55:22,913 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:55:22,913 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:55:22,914 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:55:22,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:55:22,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:55:22,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:55:22,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:55:22,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:55:22,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:55:22,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:55:22,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:55:22,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:55:22,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:55:22,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:55:22,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:55:22,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:55:22,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:55:22,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:55:22,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:55:22,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:55:22,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:55:22,918 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:55:22,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:55:22,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:55:22,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:55:22,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:55:23,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:55:23,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:55:23,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:55:23,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:55:23,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:55:23,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-11-24 18:55:23,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56cfdffa/501b0cd27c9744da96988f39f8aa13b4/FLAGdc8c0d818 [2019-11-24 18:55:23,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:55:23,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-11-24 18:55:23,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56cfdffa/501b0cd27c9744da96988f39f8aa13b4/FLAGdc8c0d818 [2019-11-24 18:55:24,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56cfdffa/501b0cd27c9744da96988f39f8aa13b4 [2019-11-24 18:55:24,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:55:24,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:55:24,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:55:24,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:55:24,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:55:24,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee337c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24, skipping insertion in model container [2019-11-24 18:55:24,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:55:24,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:55:24,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:55:24,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:55:24,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:55:24,508 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:55:24,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24 WrapperNode [2019-11-24 18:55:24,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:55:24,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:55:24,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:55:24,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:55:24,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:55:24,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:55:24,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:55:24,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:55:24,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (1/1) ... [2019-11-24 18:55:24,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:55:24,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:55:24,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:55:24,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:55:24,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:55:24" (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 [2019-11-24 18:55:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:55:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:55:25,392 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:55:25,393 INFO L284 CfgBuilder]: Removed 42 assume(true) statements. [2019-11-24 18:55:25,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:55:25 BoogieIcfgContainer [2019-11-24 18:55:25,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:55:25,395 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:55:25,395 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:55:25,395 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:55:25,397 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:55:25" (1/1) ... [2019-11-24 18:55:25,398 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 18:55:25,432 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 18:55:25,432 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:55:25,446 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:55:25,458 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:55:25,459 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs