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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:00:34,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:00:34,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:00:34,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:00:34,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:00:34,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:00:34,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:00:34,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:00:34,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:00:34,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:00:34,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:00:34,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:00:34,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:00:34,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:00:34,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:00:34,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:00:34,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:00:34,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:00:34,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:00:34,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:00:34,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:00:34,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:00:34,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:00:34,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:00:34,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:00:34,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:00:34,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:00:34,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:00:34,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:00:34,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:00:34,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:00:34,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:00:34,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:00:34,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:00:34,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:00:34,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:00:34,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:00:34,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:00:34,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:00:34,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:00:34,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:00:34,954 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 [2019-09-19 00:00:34,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:00:34,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:00:34,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:00:34,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:00:34,982 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:00:34,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:00:34,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:00:34,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:00:34,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:00:34,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:00:34,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:00:34,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:00:34,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:00:34,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:00:34,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:00:34,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:00:34,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:00:34,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:00:34,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:00:34,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:00:34,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:00:34,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:00:34,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:00:34,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:00:34,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:00:34,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:00:34,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:00:34,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:00:34,989 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 00:00:35,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:00:35,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:00:35,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:00:35,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:00:35,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:00:35,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-19 00:00:35,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386d02ecc/d7afce8d72c54449ba4a277a0f28b280/FLAG9dad282c8 [2019-09-19 00:00:35,621 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:00:35,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-19 00:00:35,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386d02ecc/d7afce8d72c54449ba4a277a0f28b280/FLAG9dad282c8 [2019-09-19 00:00:35,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386d02ecc/d7afce8d72c54449ba4a277a0f28b280 [2019-09-19 00:00:35,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:00:35,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:00:35,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:00:35,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:00:35,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:00:35,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:00:35" (1/1) ... [2019-09-19 00:00:35,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:35, skipping insertion in model container [2019-09-19 00:00:35,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:00:35" (1/1) ... [2019-09-19 00:00:35,975 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:00:36,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:00:36,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:00:36,491 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:00:36,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:00:36,628 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:00:36,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36 WrapperNode [2019-09-19 00:00:36,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:00:36,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:00:36,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:00:36,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:00:36,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (1/1) ... [2019-09-19 00:00:36,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:00:36,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:00:36,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:00:36,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:00:36,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:00:36" (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 [2019-09-19 00:00:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:00:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:00:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 00:00:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 00:00:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 00:00:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 00:00:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 00:00:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:00:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 00:00:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 00:00:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 00:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 00:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 00:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 00:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 00:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 00:00:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 00:00:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 00:00:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 00:00:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 00:00:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 00:00:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 00:00:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 00:00:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 00:00:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 00:00:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 00:00:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:00:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:00:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:00:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:00:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:00:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 00:00:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 00:00:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 00:00:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:00:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 00:00:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 00:00:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 00:00:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 00:00:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 00:00:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 00:00:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 00:00:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 00:00:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 00:00:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 00:00:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 00:00:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 00:00:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 00:00:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 00:00:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 00:00:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 00:00:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 00:00:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 00:00:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 00:00:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 00:00:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:00:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:00:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 00:00:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 00:00:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 00:00:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 00:00:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 00:00:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 00:00:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 00:00:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:00:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 00:00:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:00:38,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:00:38,421 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 00:00:38,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:00:38 BoogieIcfgContainer [2019-09-19 00:00:38,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:00:38,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:00:38,424 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:00:38,424 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:00:38,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:00:38" (1/1) ... [2019-09-19 00:00:38,426 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 00:00:38,449 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:00:38,450 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:00:38,458 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:00:38,468 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:00:38,470 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:00:51,230 WARN L191 SmtUtils]: Spent 12.67 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:01:03,494 WARN L191 SmtUtils]: Spent 12.26 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:01:28,720 WARN L191 SmtUtils]: Spent 15.07 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:01:30,621 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 00:01:34,525 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 00:01:34,535 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 00:01:36,457 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:38,430 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:40,289 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:42,133 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:44,060 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:01:45,973 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:01:47,863 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:49,711 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:01:49,717 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 00:01:51,631 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:01:53,593 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:01:53,602 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 00:01:57,471 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 00:01:59,353 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 00:02:10,869 WARN L191 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 458 DAG size of output: 456 [2019-09-19 00:02:16,390 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 00:02:26,789 WARN L191 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 00:02:32,020 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 00:02:48,861 WARN L191 SmtUtils]: Spent 16.79 s on a formula simplification. DAG size of input: 475 DAG size of output: 465 [2019-09-19 00:02:55,661 WARN L191 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 00:03:11,449 WARN L191 SmtUtils]: Spent 15.76 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-19 00:03:17,813 WARN L191 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 00:03:33,631 WARN L191 SmtUtils]: Spent 15.82 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-19 00:03:39,967 WARN L191 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 00:03:57,403 WARN L191 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-19 00:03:57,526 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:03:57,637 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 00:04:14,161 WARN L191 SmtUtils]: Spent 16.50 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 00:04:14,268 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:04:30,989 WARN L191 SmtUtils]: Spent 16.52 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 00:04:31,094 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:04:31,296 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:04:31,661 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-19 00:04:32,208 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-19 00:04:32,317 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 00:04:32,746 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-19 00:04:33,355 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-09-19 00:04:33,550 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-09-19 00:04:33,658 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-19 00:04:34,338 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:04:34,491 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:04:35,385 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-19 00:04:35,558 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:04:35,715 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:04:35,887 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:04:36,043 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-19 00:04:36,170 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-19 00:04:36,740 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:04:37,052 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:04:37,374 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:04:37,467 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 00:04:37,921 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 00:04:38,189 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 00:04:38,198 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 00:04:38,237 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:04:38,238 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:04:38,240 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 572#(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))) [2019-09-19 00:04:38,257 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:04:38,258 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:04:38,259 INFO L168 Benchmark]: Toolchain (without parser) took 242300.33 ms. Allocated memory was 141.0 MB in the beginning and 164.6 MB in the end (delta: 23.6 MB). Free memory was 86.2 MB in the beginning and 82.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,260 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.91 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 86.0 MB in the beginning and 166.4 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,262 INFO L168 Benchmark]: Boogie Preprocessor took 100.20 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 162.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,263 INFO L168 Benchmark]: RCFGBuilder took 1692.19 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 162.3 MB in the beginning and 151.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,264 INFO L168 Benchmark]: Sifa took 239834.10 ms. Allocated memory was 228.1 MB in the beginning and 164.6 MB in the end (delta: -63.4 MB). Free memory was 151.0 MB in the beginning and 82.5 MB in the end (delta: 68.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-19 00:04:38,268 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 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.91 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 86.0 MB in the beginning and 166.4 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.20 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 162.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1692.19 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 162.3 MB in the beginning and 151.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * Sifa took 239834.10 ms. Allocated memory was 228.1 MB in the beginning and 164.6 MB in the end (delta: -63.4 MB). Free memory was 151.0 MB in the beginning and 82.5 MB in the end (delta: 68.5 MB). Peak memory consumption was 5.0 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]: 239791, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 236, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 167, TOOLS_POST_TIME[ms]: 111, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 115, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 31089, TOOLS_QUANTIFIERELIM_APPLICATIONS: 280, TOOLS_QUANTIFIERELIM_TIME[ms]: 31214, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31026, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 243, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 99, DOMAIN_JOIN_TIME[ms]: 207462, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 288, DOMAIN_ISSUBSETEQ_APPLICATIONS: 48, DOMAIN_ISSUBSETEQ_TIME[ms]: 135, DOMAIN_ISBOTTOM_APPLICATIONS: 56, DOMAIN_ISBOTTOM_TIME[ms]: 315, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 162138, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 162137, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 67321, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 720, DAG_COMPRESSION_RETAINED_NODES: 244 - UnprovableResult [Line: 876]: 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 572#(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...