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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:12:46,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:12:46,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:12:46,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:12:46,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:12:46,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:12:46,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:12:46,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:12:46,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:12:46,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:12:46,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:12:46,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:12:46,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:12:46,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:12:46,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:12:46,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:12:46,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:12:46,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:12:46,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:12:46,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:12:46,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:12:46,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:12:46,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:12:46,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:12:46,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:12:46,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:12:46,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:12:46,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:12:46,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:12:46,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:12:46,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:12:46,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:12:46,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:12:46,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:12:46,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:12:46,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:12:46,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:12:46,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:12:46,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:12:46,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:12:46,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:12:46,839 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 [2019-09-20 15:12:46,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:12:46,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:12:46,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:12:46,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:12:46,856 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:12:46,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:12:46,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:12:46,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:12:46,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:12:46,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:12:46,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:12:46,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:12:46,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:12:46,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:12:46,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:12:46,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:12:46,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:12:46,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:12:46,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:12:46,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:12:46,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:12:46,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:12:46,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:12:46,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:12:46,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:12:46,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:12:46,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:12:46,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:12:46,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NONE [2019-09-20 15:12:46,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:12:46,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:12:46,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:12:46,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:12:46,919 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:12:46,919 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-09-20 15:12:46,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b0957b4/423040cc3ff64c799caa9dad352a1435/FLAGacf5365a5 [2019-09-20 15:12:47,528 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:12:47,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-09-20 15:12:47,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b0957b4/423040cc3ff64c799caa9dad352a1435/FLAGacf5365a5 [2019-09-20 15:12:47,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b0957b4/423040cc3ff64c799caa9dad352a1435 [2019-09-20 15:12:47,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:12:47,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:12:47,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:47,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:12:47,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:12:47,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:47" (1/1) ... [2019-09-20 15:12:47,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fb3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:47, skipping insertion in model container [2019-09-20 15:12:47,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:47" (1/1) ... [2019-09-20 15:12:47,807 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:12:47,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:12:48,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:48,345 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:12:48,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:48,530 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:12:48,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48 WrapperNode [2019-09-20 15:12:48,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:48,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:12:48,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:12:48,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:12:48,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (1/1) ... [2019-09-20 15:12:48,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:12:48,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:12:48,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:12:48,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:12:48,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:48" (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 [2019-09-20 15:12:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:12:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:12:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:12:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:12:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:12:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:12:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:12:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:12:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:12:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:12:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:12:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:12:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:12:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:12:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:12:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:12:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:12:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:12:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:12:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:12:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:12:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:12:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:12:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:12:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:12:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:12:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:12:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:12:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:12:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:12:50,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:12:50,524 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:12:50,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:50 BoogieIcfgContainer [2019-09-20 15:12:50,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:12:50,527 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:12:50,527 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:12:50,527 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:12:50,529 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:50" (1/1) ... [2019-09-20 15:12:50,530 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:12:50,569 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:12:50,569 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:12:50,582 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:12:50,594 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:12:50,595 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:02,624 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:13:02,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:13:02,702 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:13:02,718 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:13:03,707 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:13:03,727 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:13:03,735 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:13:03,739 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:13:03,740 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:03,741 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:03,743 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 625#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:13:03,758 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:03,759 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:03,762 INFO L168 Benchmark]: Toolchain (without parser) took 15969.64 ms. Allocated memory was 132.1 MB in the beginning and 319.3 MB in the end (delta: 187.2 MB). Free memory was 86.9 MB in the beginning and 128.2 MB in the end (delta: -41.3 MB). Peak memory consumption was 145.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,763 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.93 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 164.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,766 INFO L168 Benchmark]: Boogie Preprocessor took 109.89 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,773 INFO L168 Benchmark]: RCFGBuilder took 1884.29 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 143.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,774 INFO L168 Benchmark]: Sifa took 13232.28 ms. Allocated memory was 223.3 MB in the beginning and 319.3 MB in the end (delta: 95.9 MB). Free memory was 143.1 MB in the beginning and 128.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:03,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.93 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 164.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.89 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1884.29 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 143.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. * Sifa took 13232.28 ms. Allocated memory was 223.3 MB in the beginning and 319.3 MB in the end (delta: 95.9 MB). Free memory was 143.1 MB in the beginning and 128.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13174, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 265, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 12140, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 71, TOOLS_POST_RETURN_TIME[ms]: 160, TOOLS_QUANTIFIERELIM_APPLICATIONS: 329, TOOLS_QUANTIFIERELIM_TIME[ms]: 12419, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11956, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 270, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 105, DOMAIN_JOIN_TIME[ms]: 46, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 376, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 485, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 485, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 71, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12038, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12037, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 834, DAG_COMPRESSION_RETAINED_NODES: 283 - UnprovableResult [Line: 975]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 625#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...