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_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:10:04,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:10:04,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:10:04,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:10:04,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:10:04,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:10:04,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:10:04,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:10:04,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:10:04,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:10:04,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:10:04,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:10:04,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:10:04,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:10:04,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:10:04,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:10:04,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:10:04,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:10:04,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:10:04,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:10:04,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:10:04,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:10:04,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:10:04,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:10:04,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:10:04,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:10:04,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:10:04,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:10:04,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:10:04,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:10:04,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:10:04,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:10:04,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:10:04,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:10:04,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:10:04,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:10:04,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:10:04,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:10:04,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:10:04,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:10:04,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:10:04,803 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 15:10:04,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:10:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:10:04,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:10:04,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:10:04,835 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:10:04,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:10:04,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:10:04,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:10:04,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:10:04,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:10:04,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:10:04,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:10:04,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:10:04,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:10:04,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:10:04,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:10:04,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:10:04,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:10:04,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:10:04,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:10:04,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:10:04,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:10:04,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:10:04,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:10:04,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:10:04,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:10:04,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:10:04,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:10:04,841 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 15:10:04,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:10:04,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:10:04,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:10:04,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:10:04,910 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:10:04,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-20 15:10:04,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971541814/3e4156238791443a97690216d9bcca17/FLAGbf7882e59 [2019-09-20 15:10:05,562 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:10:05,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-20 15:10:05,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971541814/3e4156238791443a97690216d9bcca17/FLAGbf7882e59 [2019-09-20 15:10:05,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971541814/3e4156238791443a97690216d9bcca17 [2019-09-20 15:10:05,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:10:05,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:10:05,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:05,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:10:05,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:10:05,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:05" (1/1) ... [2019-09-20 15:10:05,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:05, skipping insertion in model container [2019-09-20 15:10:05,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:05" (1/1) ... [2019-09-20 15:10:05,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:10:05,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:10:06,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:06,390 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:10:06,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:06,534 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:10:06,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06 WrapperNode [2019-09-20 15:10:06,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:06,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:10:06,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:10:06,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:10:06,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (1/1) ... [2019-09-20 15:10:06,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:10:06,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:10:06,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:10:06,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:10:06,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:06" (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 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:10:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:10:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:10:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:10:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:10:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:10:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:10:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:10:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:10:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:10:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:10:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:10:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:10:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:10:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:10:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:10:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:10:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:10:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:10:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:10:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:10:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:10:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:10:08,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:10:08,302 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:10:08,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:08 BoogieIcfgContainer [2019-09-20 15:10:08,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:10:08,305 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:10:08,305 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:10:08,305 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:10:08,307 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:08" (1/1) ... [2019-09-20 15:10:08,308 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 15:10:08,335 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:10:08,335 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:10:08,345 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:10:08,356 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:10:08,358 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:20,044 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:20,073 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:10:20,118 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:10:20,134 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:10:23,176 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 28 for LOIs [2019-09-20 15:10:23,215 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2019-09-20 15:10:23,231 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 21 for LOIs [2019-09-20 15:10:23,236 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:10:23,237 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:23,237 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:23,239 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 979#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:23,259 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:23,260 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:23,264 INFO L168 Benchmark]: Toolchain (without parser) took 17403.90 ms. Allocated memory was 137.4 MB in the beginning and 325.6 MB in the end (delta: 188.2 MB). Free memory was 92.1 MB in the beginning and 122.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 157.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,266 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 111.5 MB in the beginning and 111.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.82 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 91.9 MB in the beginning and 164.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,271 INFO L168 Benchmark]: Boogie Preprocessor took 92.73 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,280 INFO L168 Benchmark]: RCFGBuilder took 1674.19 ms. Allocated memory was 199.8 MB in the beginning and 233.8 MB in the end (delta: 34.1 MB). Free memory was 160.3 MB in the beginning and 144.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,282 INFO L168 Benchmark]: Sifa took 14955.24 ms. Allocated memory was 233.8 MB in the beginning and 325.6 MB in the end (delta: 91.8 MB). Free memory was 144.2 MB in the beginning and 122.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 113.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:23,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 111.5 MB in the beginning and 111.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.82 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 91.9 MB in the beginning and 164.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.73 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1674.19 ms. Allocated memory was 199.8 MB in the beginning and 233.8 MB in the end (delta: 34.1 MB). Free memory was 160.3 MB in the beginning and 144.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * Sifa took 14955.24 ms. Allocated memory was 233.8 MB in the beginning and 325.6 MB in the end (delta: 91.8 MB). Free memory was 144.2 MB in the beginning and 122.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 113.2 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]: 14904, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 484, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 322, TOOLS_POST_TIME[ms]: 12119, TOOLS_POST_CALL_APPLICATIONS: 126, TOOLS_POST_CALL_TIME[ms]: 1008, TOOLS_POST_RETURN_APPLICATIONS: 117, TOOLS_POST_RETURN_TIME[ms]: 656, TOOLS_QUANTIFIERELIM_APPLICATIONS: 565, TOOLS_QUANTIFIERELIM_TIME[ms]: 13413, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11600, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 505, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 171, DOMAIN_JOIN_TIME[ms]: 89, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME[ms]: 179, DOMAIN_ISBOTTOM_APPLICATIONS: 95, DOMAIN_ISBOTTOM_TIME[ms]: 616, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2885, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2885, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 21, CALL_SUMMARIZER_APPLICATIONS: 117, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11687, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11686, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 579, DAG_COMPRESSION_RETAINED_NODES: 263 - UnprovableResult [Line: 319]: 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 979#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...