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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:15:44,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:15:44,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:15:44,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:15:44,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:15:44,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:15:44,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:15:44,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:15:44,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:15:44,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:15:44,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:15:44,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:15:44,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:15:44,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:15:44,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:15:44,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:15:44,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:15:44,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:15:44,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:15:44,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:15:45,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:15:45,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:15:45,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:15:45,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:15:45,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:15:45,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:15:45,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:15:45,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:15:45,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:15:45,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:15:45,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:15:45,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:15:45,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:15:45,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:15:45,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:15:45,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:15:45,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:15:45,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:15:45,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:15:45,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:15:45,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:15:45,015 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 [2019-09-18 22:15:45,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:15:45,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:15:45,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:15:45,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:15:45,030 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:15:45,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:15:45,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:15:45,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:15:45,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:15:45,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:15:45,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:15:45,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:15:45,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:15:45,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:15:45,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:15:45,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:15:45,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:15:45,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:15:45,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:15:45,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:15:45,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:15:45,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:15:45,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:15:45,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:15:45,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:15:45,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:15:45,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:15:45,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:15:45,035 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 [2019-09-18 22:15:45,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:15:45,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:15:45,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:15:45,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:15:45,083 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:15:45,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-18 22:15:45,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332ed5a91/bd2346fc027b4fa39f85c4e83f4ed5d8/FLAG61cd2b15c [2019-09-18 22:15:45,653 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:15:45,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-18 22:15:45,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332ed5a91/bd2346fc027b4fa39f85c4e83f4ed5d8/FLAG61cd2b15c [2019-09-18 22:15:45,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332ed5a91/bd2346fc027b4fa39f85c4e83f4ed5d8 [2019-09-18 22:15:45,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:15:45,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:15:45,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:15:45,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:15:45,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:15:45,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:15:45" (1/1) ... [2019-09-18 22:15:45,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:45, skipping insertion in model container [2019-09-18 22:15:45,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:15:45" (1/1) ... [2019-09-18 22:15:45,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:15:46,049 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:15:46,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:15:46,520 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:15:46,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:15:46,654 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:15:46,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46 WrapperNode [2019-09-18 22:15:46,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:15:46,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:15:46,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:15:46,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:15:46,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (1/1) ... [2019-09-18 22:15:46,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:15:46,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:15:46,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:15:46,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:15:46,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:15:46" (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 [2019-09-18 22:15:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:15:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:15:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:15:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:15:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:15:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:15:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:15:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:15:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:15:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:15:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:15:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:15:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:15:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:15:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:15:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:15:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:15:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:15:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:15:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:15:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:15:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:15:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:15:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:15:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:15:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:15:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:15:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:15:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:15:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:15:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:15:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:15:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:15:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 22:15:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 22:15:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:15:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:15:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:15:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:15:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 22:15:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:15:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:15:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:15:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:15:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:15:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:15:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:15:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:15:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:15:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:15:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:15:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:15:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:15:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:15:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:15:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:15:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:15:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:15:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:15:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:15:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:15:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:15:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:15:48,340 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:15:48,340 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:15:48,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:15:48 BoogieIcfgContainer [2019-09-18 22:15:48,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:15:48,342 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:15:48,343 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:15:48,343 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:15:48,344 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:15:48" (1/1) ... [2019-09-18 22:15:48,345 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 [2019-09-18 22:15:48,373 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:15:48,374 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:15:48,386 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:15:48,398 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:15:48,400 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:15:59,256 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:16:08,583 WARN L191 SmtUtils]: Spent 9.32 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:16:30,728 WARN L191 SmtUtils]: Spent 13.27 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:16:32,289 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:16:35,981 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 22:16:35,989 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 22:16:37,658 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:39,314 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:40,985 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:42,568 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:44,272 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:16:45,961 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:16:47,585 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:49,237 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:16:49,244 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 22:16:49,250 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 22:16:52,746 WARN L191 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 22:16:54,405 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 22:17:04,887 WARN L191 SmtUtils]: Spent 10.47 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 22:17:09,954 WARN L191 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 22:17:19,808 WARN L191 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 22:17:24,681 WARN L191 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:17:42,509 WARN L191 SmtUtils]: Spent 17.81 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 22:17:50,776 WARN L191 SmtUtils]: Spent 8.27 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 22:17:52,715 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 22:18:07,443 WARN L191 SmtUtils]: Spent 14.73 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 22:18:14,802 WARN L191 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:18:22,117 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:18:29,467 WARN L191 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:19:08,988 WARN L191 SmtUtils]: Spent 39.49 s on a formula simplification. DAG size of input: 499 DAG size of output: 496 [2019-09-18 22:19:25,251 WARN L191 SmtUtils]: Spent 16.26 s on a formula simplification that was a NOOP. DAG size: 496 [2019-09-18 22:19:32,688 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:19:40,024 WARN L191 SmtUtils]: Spent 7.33 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:20:24,358 WARN L191 SmtUtils]: Spent 44.31 s on a formula simplification. DAG size of input: 518 DAG size of output: 512 [2019-09-18 22:20:25,648 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-09-18 22:20:26,094 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-18 22:20:26,497 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 22:20:27,257 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2019-09-18 22:20:27,553 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2019-09-18 22:20:28,301 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-18 22:20:28,772 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-18 22:20:28,920 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-18 22:20:29,402 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-18 22:20:29,923 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-18 22:20:29,940 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 22:20:30,526 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-18 22:20:30,836 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-18 22:20:30,910 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 22:20:31,158 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 22:20:31,172 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 22:20:31,216 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:20:31,217 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:20:31,219 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 498#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-18 22:20:31,232 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:20:31,232 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:20:31,234 INFO L168 Benchmark]: Toolchain (without parser) took 285253.72 ms. Allocated memory was 133.7 MB in the beginning and 152.6 MB in the end (delta: 18.9 MB). Free memory was 88.4 MB in the beginning and 75.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,235 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.03 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.1 MB in the beginning and 166.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,237 INFO L168 Benchmark]: Boogie Preprocessor took 84.41 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 162.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,238 INFO L168 Benchmark]: RCFGBuilder took 1602.17 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 162.1 MB in the beginning and 151.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,239 INFO L168 Benchmark]: Sifa took 282889.85 ms. Allocated memory was 227.0 MB in the beginning and 152.6 MB in the end (delta: -74.4 MB). Free memory was 151.4 MB in the beginning and 75.0 MB in the end (delta: 76.4 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-18 22:20:31,242 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 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.03 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.1 MB in the beginning and 166.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.41 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 162.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1602.17 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 162.1 MB in the beginning and 151.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 282889.85 ms. Allocated memory was 227.0 MB in the beginning and 152.6 MB in the end (delta: -74.4 MB). Free memory was 151.4 MB in the beginning and 75.0 MB in the end (delta: 76.4 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 282846, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 233, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 157, TOOLS_POST_TIME[ms]: 117, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 147, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 27521, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 27681, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27394, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 240, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 78, DOMAIN_JOIN_TIME[ms]: 253566, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 563, DOMAIN_ISSUBSETEQ_APPLICATIONS: 56, DOMAIN_ISSUBSETEQ_TIME[ms]: 204, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 189, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 218130, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 218130, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 108128, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 240 - UnprovableResult [Line: 44]: 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 498#(and (<= ~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...