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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:54:00,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:54:00,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:54:00,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:54:00,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:54:00,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:54:00,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:54:00,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:54:00,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:54:00,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:54:00,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:54:00,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:54:00,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:54:00,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:54:00,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:54:00,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:54:00,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:54:00,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:54:00,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:54:00,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:54:00,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:54:00,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:54:00,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:54:00,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:54:00,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:54:00,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:54:00,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:54:00,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:54:00,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:54:00,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:54:00,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:54:00,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:54:00,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:54:00,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:54:00,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:54:00,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:54:00,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:54:00,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:54:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:54:00,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:54:00,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:54:00,894 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 15:54:00,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:54:00,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:54:00,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:54:00,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:54:00,915 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:54:00,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:54:00,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:54:00,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:54:00,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:54:00,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:54:00,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:54:00,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:54:00,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:54:00,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:54:00,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:54:00,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:54:00,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:54:00,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:54:00,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:54:00,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:54:00,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:54:00,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:54:00,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:54:00,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:54:00,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:54:00,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:54:00,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:54:00,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:54:00,921 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 -> SIMPLIFY_QUICK [2019-09-20 15:54:00,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:54:00,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:54:00,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:54:00,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:54:00,984 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:54:00,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-20 15:54:01,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b34a9a2/f344c8d01fde4e1fb1a0c29bf5ff251d/FLAGa9116520f [2019-09-20 15:54:01,646 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:54:01,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-20 15:54:01,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b34a9a2/f344c8d01fde4e1fb1a0c29bf5ff251d/FLAGa9116520f [2019-09-20 15:54:01,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b34a9a2/f344c8d01fde4e1fb1a0c29bf5ff251d [2019-09-20 15:54:01,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:54:01,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:54:01,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:01,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:54:01,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:54:01,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:01" (1/1) ... [2019-09-20 15:54:01,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de00671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:01, skipping insertion in model container [2019-09-20 15:54:01,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:01" (1/1) ... [2019-09-20 15:54:01,897 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:54:01,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:54:02,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:02,461 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:54:02,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:02,596 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:54:02,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02 WrapperNode [2019-09-20 15:54:02,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:02,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:54:02,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:54:02,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:54:02,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (1/1) ... [2019-09-20 15:54:02,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:54:02,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:54:02,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:54:02,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:54:02,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:02" (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 15:54:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:54:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:54:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:54:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:54:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:54:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:54:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:54:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:54:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:54:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:54:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:54:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:54:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:54:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:54:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:54:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:54:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:54:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:54:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:54:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:54:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:54:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:54:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:54:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:54:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:54:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:54:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:54:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:54:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:54:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:54:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:54:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:54:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:54:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:54:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:54:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:54:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:54:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:54:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:54:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:54:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:54:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:54:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:54:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:54:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:54:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:54:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:54:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:54:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:54:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:54:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:54:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:54:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:54:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:54:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:54:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:54:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:54:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:54:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:54:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:54:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:54:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:54:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:54:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:54:04,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:54:04,346 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:54:04,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:04 BoogieIcfgContainer [2019-09-20 15:54:04,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:54:04,349 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:54:04,349 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:54:04,349 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:54:04,350 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:04" (1/1) ... [2019-09-20 15:54:04,351 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=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:54:04,375 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:54:04,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:54:04,386 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:54:04,397 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:54:04,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:14,462 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:16,043 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:16,207 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:16,332 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:16,448 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:16,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:54:16,523 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:54:16,539 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:54:16,696 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:16,855 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:17,208 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:17,545 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:17,812 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:18,048 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:18,473 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:18,837 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:19,470 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-20 15:54:19,737 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:54:20,198 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:54:20,553 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:20,900 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-20 15:54:21,221 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:54:21,774 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 541 [2019-09-20 15:54:22,257 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-20 15:54:22,806 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 522 [2019-09-20 15:54:23,071 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:54:23,892 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-20 15:54:24,354 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-20 15:54:24,697 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:54:25,007 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:54:25,649 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 486 [2019-09-20 15:54:25,808 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:25,965 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:26,120 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:26,539 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:26,825 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:27,279 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-20 15:54:27,733 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:54:28,445 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:54:28,933 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:29,242 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:54:29,527 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:54:30,038 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-20 15:54:30,532 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-20 15:54:30,938 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2019-09-20 15:54:31,212 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:54:31,643 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 532 [2019-09-20 15:54:32,010 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:54:32,436 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 534 [2019-09-20 15:54:32,809 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:54:32,847 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:54:32,850 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 499 for LOIs [2019-09-20 15:54:33,153 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 494 [2019-09-20 15:54:33,452 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 506 [2019-09-20 15:54:33,653 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:54:33,883 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 507 [2019-09-20 15:54:33,885 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:54:33,887 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:54:33,889 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:33,889 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:33,891 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:33,909 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:33,909 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:33,911 INFO L168 Benchmark]: Toolchain (without parser) took 32029.33 ms. Allocated memory was 139.5 MB in the beginning and 882.9 MB in the end (delta: 743.4 MB). Free memory was 86.6 MB in the beginning and 524.1 MB in the end (delta: -437.5 MB). Peak memory consumption was 306.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:33,911 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:54:33,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.23 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 165.4 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:33,913 INFO L168 Benchmark]: Boogie Preprocessor took 89.88 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 161.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:33,914 INFO L168 Benchmark]: RCFGBuilder took 1660.24 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.8 MB in the beginning and 144.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:33,915 INFO L168 Benchmark]: Sifa took 29560.59 ms. Allocated memory was 223.3 MB in the beginning and 882.9 MB in the end (delta: 659.6 MB). Free memory was 144.1 MB in the beginning and 524.1 MB in the end (delta: -379.9 MB). Peak memory consumption was 279.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:33,918 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 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.23 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 165.4 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.88 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 161.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1660.24 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.8 MB in the beginning and 144.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 29560.59 ms. Allocated memory was 223.3 MB in the beginning and 882.9 MB in the end (delta: 659.6 MB). Free memory was 144.1 MB in the beginning and 524.1 MB in the end (delta: -379.9 MB). Peak memory consumption was 279.6 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]: 29517, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 11973, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 470, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 246, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 12531, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11716, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 14362, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 2011, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 241, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12157, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12156, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12164, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12164, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 359, DAG_COMPRESSION_RETAINED_NODES: 185 - UnprovableResult [Line: 516]: 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 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~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...