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_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:52:50,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:52:50,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:52:50,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:52:50,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:52:50,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:52:50,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:52:50,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:52:50,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:52:50,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:52:50,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:52:50,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:52:50,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:52:50,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:52:50,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:52:50,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:52:50,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:52:50,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:52:50,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:52:50,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:52:50,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:52:50,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:52:50,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:52:50,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:52:50,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:52:50,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:52:50,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:52:50,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:52:50,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:52:50,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:52:50,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:52:50,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:52:50,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:52:50,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:52:50,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:52:50,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:52:50,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:52:50,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:52:50,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:52:50,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:52:50,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:52:50,773 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 18:52:50,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:52:50,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:52:50,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:52:50,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:52:50,789 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:52:50,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:52:50,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:52:50,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:52:50,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:52:50,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:52:50,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:52:50,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:52:50,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:52:50,791 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:52:50,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:52:50,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:52:50,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:52:50,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:52:50,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:52:50,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:52:50,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:52:50,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:52:50,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:52:50,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:52:50,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:52:50,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:52:50,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:52:50,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:52:50,794 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 18:52:50,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:52:50,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:52:50,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:52:50,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:52:50,843 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:52:50,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-09-17 18:52:50,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84728325b/a65af8c39de549c28eb8b94168af4dd5/FLAG9a3fd1bb0 [2019-09-17 18:52:51,412 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:52:51,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-09-17 18:52:51,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84728325b/a65af8c39de549c28eb8b94168af4dd5/FLAG9a3fd1bb0 [2019-09-17 18:52:51,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84728325b/a65af8c39de549c28eb8b94168af4dd5 [2019-09-17 18:52:51,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:52:51,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:52:51,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:52:51,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:52:51,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:52:51,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:52:51" (1/1) ... [2019-09-17 18:52:51,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:51, skipping insertion in model container [2019-09-17 18:52:51,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:52:51" (1/1) ... [2019-09-17 18:52:51,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:52:51,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:52:52,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:52:52,436 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:52:52,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:52:52,547 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:52:52,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52 WrapperNode [2019-09-17 18:52:52,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:52:52,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:52:52,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:52:52,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:52:52,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (1/1) ... [2019-09-17 18:52:52,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:52:52,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:52:52,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:52:52,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:52:52,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:52:52" (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 18:52:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:52:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:52:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:52:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:52:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:52:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:52:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:52:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:52:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:52:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:52:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:52:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:52:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:52:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:52:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:52:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:52:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:52:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:52:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:52:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:52:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:52:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:52:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 18:52:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:52:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:52:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:52:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:52:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:52:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:52:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:52:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:52:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:52:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:52:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:52:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:52:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:52:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:52:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:52:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:52:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:52:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:52:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:52:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:52:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:52:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:52:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:52:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:52:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 18:52:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:52:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:52:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:52:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:52:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 18:52:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:52:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:52:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:52:54,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:52:54,174 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:52:54,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:52:54 BoogieIcfgContainer [2019-09-17 18:52:54,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:52:54,176 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:52:54,177 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:52:54,177 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:52:54,178 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:52:54" (1/1) ... [2019-09-17 18:52:54,178 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 18:52:54,202 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:52:54,203 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:52:54,211 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:52:54,220 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:52:54,222 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:53:15,529 WARN L191 SmtUtils]: Spent 12.38 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 18:53:17,254 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:53:20,918 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 18:53:22,643 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:53:24,332 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:53:24,615 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 18:53:29,060 WARN L191 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 490 DAG size of output: 435 [2019-09-17 18:53:29,075 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 443 for LOIs [2019-09-17 18:53:29,154 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 443 for LOIs [2019-09-17 18:53:29,162 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 443 for LOIs [2019-09-17 18:53:41,294 WARN L191 SmtUtils]: Spent 11.95 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:53:47,253 WARN L191 SmtUtils]: Spent 5.96 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:53:48,176 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:54:01,174 WARN L191 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:54:13,070 WARN L191 SmtUtils]: Spent 11.89 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:54:18,985 WARN L191 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:54:19,869 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:54:32,816 WARN L191 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:54:44,730 WARN L191 SmtUtils]: Spent 11.91 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:54:50,635 WARN L191 SmtUtils]: Spent 5.90 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:54:51,570 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:55:04,558 WARN L191 SmtUtils]: Spent 12.99 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:55:16,490 WARN L191 SmtUtils]: Spent 11.93 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:55:22,423 WARN L191 SmtUtils]: Spent 5.93 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:55:23,309 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:55:36,343 WARN L191 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:55:48,212 WARN L191 SmtUtils]: Spent 11.87 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:55:54,151 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:55:55,025 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:56:08,050 WARN L191 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:56:20,009 WARN L191 SmtUtils]: Spent 11.96 s on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-17 18:56:26,004 WARN L191 SmtUtils]: Spent 5.99 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-17 18:56:26,898 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 18:56:39,806 WARN L191 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 506 DAG size of output: 461 [2019-09-17 18:57:05,645 WARN L191 SmtUtils]: Spent 25.74 s on a formula simplification. DAG size of input: 479 DAG size of output: 476 [2019-09-17 18:57:14,187 WARN L191 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-17 18:57:14,530 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 18:57:33,722 WARN L191 SmtUtils]: Spent 19.19 s on a formula simplification. DAG size of input: 516 DAG size of output: 477 [2019-09-17 18:57:52,278 WARN L191 SmtUtils]: Spent 18.51 s on a formula simplification. DAG size of input: 490 DAG size of output: 487 [2019-09-17 18:58:01,522 WARN L191 SmtUtils]: Spent 9.24 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-17 18:58:01,892 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 18:58:21,724 WARN L191 SmtUtils]: Spent 19.83 s on a formula simplification. DAG size of input: 525 DAG size of output: 488 [2019-09-17 18:58:34,766 WARN L191 SmtUtils]: Spent 12.56 s on a formula simplification. DAG size of input: 498 DAG size of output: 488 [2019-09-17 18:58:40,928 WARN L191 SmtUtils]: Spent 6.16 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 18:58:41,376 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 18:58:55,918 WARN L191 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 526 DAG size of output: 492 [2019-09-17 18:59:04,205 WARN L191 SmtUtils]: Spent 8.23 s on a formula simplification. DAG size of input: 494 DAG size of output: 491 [2019-09-17 18:59:07,247 WARN L191 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-17 18:59:07,625 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 18:59:16,142 WARN L191 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 521 DAG size of output: 486 [2019-09-17 18:59:23,069 WARN L191 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 498 DAG size of output: 484 [2019-09-17 18:59:25,708 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:59:26,068 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 18:59:31,409 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 514 DAG size of output: 484 [2019-09-17 18:59:40,057 WARN L191 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 505 DAG size of output: 484 [2019-09-17 18:59:42,544 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:59:42,893 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 18:59:48,162 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 514 DAG size of output: 484 [2019-09-17 18:59:58,771 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 19:00:09,479 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 19:00:32,103 WARN L191 SmtUtils]: Spent 22.61 s on a formula simplification. DAG size of input: 535 DAG size of output: 505 [2019-09-17 19:00:53,043 WARN L191 SmtUtils]: Spent 20.88 s on a formula simplification. DAG size of input: 514 DAG size of output: 488 [2019-09-17 19:01:00,189 WARN L191 SmtUtils]: Spent 7.14 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 19:01:00,569 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:01:15,278 WARN L191 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 519 DAG size of output: 489 [2019-09-17 19:01:28,811 WARN L191 SmtUtils]: Spent 13.47 s on a formula simplification. DAG size of input: 488 DAG size of output: 482 [2019-09-17 19:01:35,528 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 19:01:35,875 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:01:49,248 WARN L191 SmtUtils]: Spent 13.37 s on a formula simplification. DAG size of input: 513 DAG size of output: 483 [2019-09-17 19:01:56,100 WARN L191 SmtUtils]: Spent 6.78 s on a formula simplification that was a NOOP. DAG size: 490 [2019-09-17 19:02:02,818 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 490 [2019-09-17 19:02:03,158 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:02:24,070 WARN L191 SmtUtils]: Spent 20.91 s on a formula simplification. DAG size of input: 520 DAG size of output: 485 [2019-09-17 19:02:38,955 WARN L191 SmtUtils]: Spent 14.88 s on a formula simplification. DAG size of input: 493 DAG size of output: 483 [2019-09-17 19:02:45,130 WARN L191 SmtUtils]: Spent 6.17 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-17 19:02:45,472 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:02:59,791 WARN L191 SmtUtils]: Spent 14.32 s on a formula simplification. DAG size of input: 513 DAG size of output: 493 [2019-09-17 19:03:16,357 WARN L191 SmtUtils]: Spent 16.56 s on a formula simplification. DAG size of input: 498 DAG size of output: 488 [2019-09-17 19:03:23,075 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 19:03:23,415 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:03:43,964 WARN L191 SmtUtils]: Spent 20.55 s on a formula simplification. DAG size of input: 518 DAG size of output: 483 [2019-09-17 19:03:51,644 WARN L191 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 509 DAG size of output: 480 [2019-09-17 19:03:54,215 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-17 19:03:54,575 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 19:04:01,106 WARN L191 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 513 DAG size of output: 483 [2019-09-17 19:04:13,835 WARN L191 SmtUtils]: Spent 12.69 s on a formula simplification. DAG size of input: 491 DAG size of output: 487 [2019-09-17 19:04:20,277 WARN L191 SmtUtils]: Spent 6.44 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-17 19:04:20,629 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 19:04:41,828 WARN L191 SmtUtils]: Spent 21.20 s on a formula simplification. DAG size of input: 515 DAG size of output: 495 [2019-09-17 19:04:57,779 WARN L191 SmtUtils]: Spent 15.91 s on a formula simplification. DAG size of input: 503 DAG size of output: 503 [2019-09-17 19:05:05,717 WARN L191 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 503 [2019-09-17 19:05:06,096 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 19:05:22,655 WARN L191 SmtUtils]: Spent 16.56 s on a formula simplification. DAG size of input: 506 DAG size of output: 504 [2019-09-17 19:05:37,765 WARN L191 SmtUtils]: Spent 15.05 s on a formula simplification. DAG size of input: 505 DAG size of output: 500 [2019-09-17 19:05:45,360 WARN L191 SmtUtils]: Spent 7.59 s on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 19:05:45,703 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 19:06:00,979 WARN L191 SmtUtils]: Spent 15.28 s on a formula simplification. DAG size of input: 503 DAG size of output: 501 [2019-09-17 19:06:08,689 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification that was a NOOP. DAG size: 508