/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_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:58:19,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:58:19,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:58:19,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:58:19,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:58:19,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:58:19,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:58:19,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:58:19,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:58:19,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:58:19,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:58:19,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:58:19,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:58:19,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:58:19,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:58:19,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:58:19,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:58:19,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:58:19,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:58:19,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:58:19,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:58:19,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:58:19,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:58:19,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:58:19,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:58:19,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:58:19,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:58:19,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:58:19,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:58:19,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:58:19,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:58:19,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:58:19,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:58:19,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:58:19,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:58:19,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:58:19,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:58:19,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:58:19,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:58:19,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:58:19,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:58:19,485 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 16:58:19,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:58:19,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:58:19,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:58:19,524 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:58:19,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:58:19,524 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:58:19,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:58:19,524 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:58:19,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:58:19,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:58:19,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:58:19,525 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:58:19,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:58:19,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:58:19,526 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:58:19,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:58:19,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:58:19,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:58:19,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:58:19,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:58:19,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:58:19,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:58:19,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:58:19,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:58:19,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:58:19,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:58:19,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:58:19,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:58:19,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:58:19,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:58:19,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:58:19,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:58:19,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:58:19,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:58:19,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:58:19,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:58:19,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:58:19,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:58:19,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:58:19,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:58:19,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:58:19,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:58:19,811 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:58:19,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2019-11-24 16:58:19,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47a54b2/9817003558b740178d549e398512598e/FLAG345701483 [2019-11-24 16:58:20,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:58:20,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2019-11-24 16:58:20,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47a54b2/9817003558b740178d549e398512598e/FLAG345701483 [2019-11-24 16:58:20,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47a54b2/9817003558b740178d549e398512598e [2019-11-24 16:58:20,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:58:20,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:58:20,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:58:20,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:58:20,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:58:20,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:58:20" (1/1) ... [2019-11-24 16:58:20,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac55e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:20, skipping insertion in model container [2019-11-24 16:58:20,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:58:20" (1/1) ... [2019-11-24 16:58:20,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:58:20,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:58:21,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:58:21,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:58:21,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:58:21,718 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:58:21,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21 WrapperNode [2019-11-24 16:58:21,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:58:21,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:58:21,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:58:21,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:58:21,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:21,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:21,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:58:21,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:58:21,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:58:21,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:58:22,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (1/1) ... [2019-11-24 16:58:22,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:58:22,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:58:22,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:58:22,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:58:22,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:58:21" (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 16:58:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:58:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 16:58:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:58:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:59:12,459 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:59:12,460 INFO L284 CfgBuilder]: Removed 1125 assume(true) statements. [2019-11-24 16:59:12,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:59:12 BoogieIcfgContainer [2019-11-24 16:59:12,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:59:12,463 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:59:12,463 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:59:12,464 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:59:12,465 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:59:12" (1/1) ... [2019-11-24 16:59:12,466 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 16:59:12,491 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 16:59:12,491 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:59:12,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:59:12,525 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:59:12,527 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs