/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/product-lines/elevator_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:00:22,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:00:22,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:00:22,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:00:22,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:00:22,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:00:22,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:00:22,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:00:22,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:00:22,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:00:22,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:00:22,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:00:22,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:00:22,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:00:22,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:00:22,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:00:22,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:00:22,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:00:22,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:00:22,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:00:22,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:00:22,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:00:22,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:00:22,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:00:22,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:00:22,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:00:22,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:00:23,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:00:23,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:00:23,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:00:23,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:00:23,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:00:23,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:00:23,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:00:23,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:00:23,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:00:23,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:00:23,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:00:23,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:00:23,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:00:23,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:00:23,015 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 17:00:23,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:00:23,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:00:23,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:00:23,049 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:00:23,050 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:00:23,050 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:00:23,050 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:00:23,050 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:00:23,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:00:23,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:00:23,051 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:00:23,051 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:00:23,051 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:00:23,051 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:00:23,051 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:00:23,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:00:23,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:00:23,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:00:23,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:00:23,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:00:23,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:00:23,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:00:23,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:00:23,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:00:23,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:00:23,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:00:23,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:00:23,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:00:23,056 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:00:23,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:00:23,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:00:23,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:00:23,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:00:23,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:00:23,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:00:23,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:00:23,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:00:23,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:00:23,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2019-11-24 17:00:23,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ef94917/a5258a58fdc9488484970e88d2dc2511/FLAG7d0efe11d [2019-11-24 17:00:24,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:00:24,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2019-11-24 17:00:24,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ef94917/a5258a58fdc9488484970e88d2dc2511/FLAG7d0efe11d [2019-11-24 17:00:24,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ef94917/a5258a58fdc9488484970e88d2dc2511 [2019-11-24 17:00:24,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:00:24,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:00:24,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:00:24,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:00:24,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:00:24,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:00:24" (1/1) ... [2019-11-24 17:00:24,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c0e2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:24, skipping insertion in model container [2019-11-24 17:00:24,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:00:24" (1/1) ... [2019-11-24 17:00:24,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:00:24,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:00:25,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:00:25,093 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:00:25,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:00:25,318 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:00:25,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25 WrapperNode [2019-11-24 17:00:25,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:00:25,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:00:25,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:00:25,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:00:25,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:00:25,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:00:25,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:00:25,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:00:25,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:25,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (1/1) ... [2019-11-24 17:00:26,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:00:26,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:00:26,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:00:26,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:00:26,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:00:25" (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 17:00:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:00:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:00:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:00:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:01:31,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:01:31,568 INFO L284 CfgBuilder]: Removed 1347 assume(true) statements. [2019-11-24 17:01:31,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:01:31 BoogieIcfgContainer [2019-11-24 17:01:31,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:01:31,571 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:01:31,571 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:01:31,571 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:01:31,572 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:01:31" (1/1) ... [2019-11-24 17:01:31,572 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 17:01:31,596 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-24 17:01:31,596 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:01:31,614 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:01:31,621 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:01:31,622 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs