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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:06:11,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:06:11,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:06:11,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:06:11,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:06:11,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:06:11,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:06:11,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:06:11,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:06:11,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:06:11,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:06:11,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:06:11,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:06:11,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:06:11,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:06:11,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:06:11,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:06:11,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:06:11,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:06:11,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:06:11,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:06:11,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:06:11,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:06:11,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:06:11,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:06:11,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:06:11,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:06:11,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:06:11,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:06:11,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:06:11,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:06:11,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:06:11,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:06:11,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:06:11,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:06:11,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:06:11,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:06:11,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:06:11,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:06:11,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:06:11,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:06:11,763 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 [2019-09-17 18:06:11,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:06:11,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:06:11,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:06:11,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:06:11,782 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:06:11,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:06:11,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:06:11,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:06:11,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:06:11,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:06:11,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:06:11,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:06:11,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:06:11,784 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:06:11,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:06:11,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:06:11,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:06:11,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:06:11,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:06:11,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:06:11,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:06:11,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:06:11,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:06:11,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:06:11,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:06:11,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:06:11,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:06:11,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:06:11,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock 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 [2019-09-17 18:06:11,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:06:11,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:06:11,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:06:11,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:06:11,862 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:06:11,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-17 18:06:11,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfa896c2/89b92c47bc91486082682afa7a8cef66/FLAG89332b24a [2019-09-17 18:06:12,463 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:06:12,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-17 18:06:12,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfa896c2/89b92c47bc91486082682afa7a8cef66/FLAG89332b24a [2019-09-17 18:06:12,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdfa896c2/89b92c47bc91486082682afa7a8cef66 [2019-09-17 18:06:12,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:06:12,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:06:12,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:06:12,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:06:12,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:06:12,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:06:12" (1/1) ... [2019-09-17 18:06:12,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:12, skipping insertion in model container [2019-09-17 18:06:12,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:06:12" (1/1) ... [2019-09-17 18:06:12,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:06:12,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:06:13,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:06:13,292 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:06:13,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:06:13,425 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:06:13,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13 WrapperNode [2019-09-17 18:06:13,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:06:13,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:06:13,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:06:13,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:06:13,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (1/1) ... [2019-09-17 18:06:13,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:06:13,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:06:13,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:06:13,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:06:13,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:13" (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 [2019-09-17 18:06:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:06:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:06:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:06:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:06:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:06:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:06:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:06:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:06:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:06:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:06:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:06:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:06:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:06:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:06:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:06:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:06:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:06:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:06:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:06:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:06:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 18:06:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:06:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:06:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 18:06:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:06:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:06:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 18:06:13,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:06:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:06:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:06:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:06:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:06:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:06:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:06:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:06:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:06:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:06:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:06:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:06:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:06:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:06:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:06:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:06:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:06:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:06:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:06:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:06:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:06:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:06:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:06:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:06:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:06:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 18:06:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:06:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:06:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:06:15,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:06:15,128 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:06:15,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:06:15 BoogieIcfgContainer [2019-09-17 18:06:15,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:06:15,130 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:06:15,130 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:06:15,130 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:06:15,131 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:06:15" (1/1) ... [2019-09-17 18:06:15,132 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 18:06:15,159 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:06:15,159 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:06:15,173 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:06:15,183 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:06:15,185 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:06:37,469 WARN L191 SmtUtils]: Spent 12.92 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 18:06:39,231 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:06:43,206 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 18:06:45,008 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:06:46,728 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:06:47,042 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 18:06:51,770 WARN L191 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 494 DAG size of output: 433 [2019-09-17 18:06:51,786 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 443 for LOIs [2019-09-17 18:06:51,874 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 443 for LOIs [2019-09-17 18:06:51,908 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 442 for LOIs [2019-09-17 18:07:03,778 WARN L191 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:07:09,622 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:07:10,626 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:07:24,287 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:07:35,839 WARN L191 SmtUtils]: Spent 11.55 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:07:41,624 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:07:42,600 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:07:56,111 WARN L191 SmtUtils]: Spent 13.51 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:08:07,621 WARN L191 SmtUtils]: Spent 11.51 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:08:13,400 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:08:14,363 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:08:28,106 WARN L191 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:08:39,644 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:08:45,400 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:08:46,366 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:09:00,136 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:09:11,739 WARN L191 SmtUtils]: Spent 11.60 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:09:17,514 WARN L191 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:09:18,486 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:09:32,121 WARN L191 SmtUtils]: Spent 13.63 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:09:43,671 WARN L191 SmtUtils]: Spent 11.55 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:09:49,414 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:09:50,411 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:10:04,101 WARN L191 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:10:15,685 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:10:21,447 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:10:22,408 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:10:36,188 WARN L191 SmtUtils]: Spent 13.78 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:10:47,778 WARN L191 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:10:53,536 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:10:54,497 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:11:08,305 WARN L191 SmtUtils]: Spent 13.81 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:11:19,966 WARN L191 SmtUtils]: Spent 11.66 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-17 18:11:25,769 WARN L191 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-17 18:11:26,753 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:11:40,363 WARN L191 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 519 DAG size of output: 470 [2019-09-17 18:11:52,832 WARN L191 SmtUtils]: Spent 12.33 s on a formula simplification. DAG size of input: 487 DAG size of output: 485 [2019-09-17 18:11:59,032 WARN L191 SmtUtils]: Spent 6.20 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-17 18:11:59,406 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:12:13,098 WARN L191 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 520 DAG size of output: 485 [2019-09-17 18:12:25,391 WARN L191 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 487 DAG size of output: 485 [2019-09-17 18:12:31,556 WARN L191 SmtUtils]: Spent 6.16 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-17 18:12:31,921 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:12:45,582 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 520 DAG size of output: 485 [2019-09-17 18:13:03,484 WARN L191 SmtUtils]: Spent 17.84 s on a formula simplification. DAG size of input: 501 DAG size of output: 501 [2019-09-17 18:13:12,411 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-17 18:13:12,798 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:13:33,398 WARN L191 SmtUtils]: Spent 20.60 s on a formula simplification. DAG size of input: 534 DAG size of output: 501 [2019-09-17 18:13:33,917 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2019-09-17 18:13:34,300 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-09-17 18:13:34,519 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-17 18:13:34,629 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-17 18:13:34,813 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:13:35,028 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:13:50,952 WARN L191 SmtUtils]: Spent 15.58 s on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-17 18:13:58,702 WARN L191 SmtUtils]: Spent 7.75 s on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 18:13:59,075 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:14:14,716 WARN L191 SmtUtils]: Spent 15.64 s on a formula simplification. DAG size of input: 537 DAG size of output: 506 [2019-09-17 18:14:34,045 WARN L191 SmtUtils]: Spent 19.33 s on a formula simplification. DAG size of input: 518 DAG size of output: 513 [2019-09-17 18:14:43,723 WARN L191 SmtUtils]: Spent 9.68 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:14:44,145 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:15:04,337 WARN L191 SmtUtils]: Spent 20.19 s on a formula simplification. DAG size of input: 545 DAG size of output: 514 [2019-09-17 18:15:23,628 WARN L191 SmtUtils]: Spent 19.29 s on a formula simplification. DAG size of input: 518 DAG size of output: 513 [2019-09-17 18:15:33,268 WARN L191 SmtUtils]: Spent 9.64 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:15:33,615 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:15:53,584 WARN L191 SmtUtils]: Spent 19.97 s on a formula simplification. DAG size of input: 545 DAG size of output: 514 [2019-09-17 18:16:05,691 WARN L191 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 18:16:17,794 WARN L191 SmtUtils]: Spent 12.10 s on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 18:16:44,448 WARN L191 SmtUtils]: Spent 26.61 s on a formula simplification. DAG size of input: 554 DAG size of output: 525 [2019-09-17 18:17:02,080 WARN L191 SmtUtils]: Spent 17.47 s on a formula simplification. DAG size of input: 547 DAG size of output: 525 [2019-09-17 18:17:09,202 WARN L191 SmtUtils]: Spent 7.12 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:17:09,626 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:17:30,746 WARN L191 SmtUtils]: Spent 21.12 s on a formula simplification. DAG size of input: 554 DAG size of output: 511 [2019-09-17 18:17:48,083 WARN L191 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 547 DAG size of output: 525 [2019-09-17 18:17:55,152 WARN L191 SmtUtils]: Spent 7.07 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:17:55,503 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:18:16,747 WARN L191 SmtUtils]: Spent 21.24 s on a formula simplification. DAG size of input: 554 DAG size of output: 511 [2019-09-17 18:18:46,064 WARN L191 SmtUtils]: Spent 29.28 s on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2019-09-17 18:19:00,916 WARN L191 SmtUtils]: Spent 14.85 s on a formula simplification that was a NOOP. DAG size: 524 [2019-09-17 18:19:01,308 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:19:31,706 WARN L191 SmtUtils]: Spent 30.40 s on a formula simplification. DAG size of input: 553 DAG size of output: 525