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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:02:31,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:02:31,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:02:31,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:02:31,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:02:31,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:02:31,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:02:31,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:02:31,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:02:31,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:02:31,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:02:31,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:02:31,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:02:31,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:02:31,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:02:31,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:02:31,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:02:31,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:02:31,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:02:31,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:02:31,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:02:31,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:02:31,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:02:31,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:02:31,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:02:31,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:02:31,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:02:31,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:02:31,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:02:31,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:02:31,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:02:31,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:02:31,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:02:31,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:02:31,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:02:31,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:02:31,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:02:31,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:02:31,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:02:31,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:02:31,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:02:31,987 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 [2019-09-16 20:02:32,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:02:32,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:02:32,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:02:32,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:02:32,006 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:02:32,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:02:32,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:02:32,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:02:32,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:02:32,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:02:32,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:02:32,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:02:32,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:02:32,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:02:32,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:02:32,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:02:32,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:02:32,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:02:32,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:02:32,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:02:32,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:02:32,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:02:32,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:02:32,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:02:32,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:02:32,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:02:32,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:02:32,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:02:32,012 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_DDA [2019-09-16 20:02:32,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:02:32,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:02:32,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:02:32,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:02:32,079 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:02:32,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-16 20:02:32,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e246c29a/93636b236efc4235ba35a3d710e9cfbb/FLAGc0215d454 [2019-09-16 20:02:32,622 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:02:32,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-16 20:02:32,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e246c29a/93636b236efc4235ba35a3d710e9cfbb/FLAGc0215d454 [2019-09-16 20:02:32,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e246c29a/93636b236efc4235ba35a3d710e9cfbb [2019-09-16 20:02:32,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:02:32,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:02:32,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:02:32,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:02:32,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:02:32,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:02:32" (1/1) ... [2019-09-16 20:02:32,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:32, skipping insertion in model container [2019-09-16 20:02:32,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:02:32" (1/1) ... [2019-09-16 20:02:33,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:02:33,061 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:02:33,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:02:33,554 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:02:33,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:02:33,678 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:02:33,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33 WrapperNode [2019-09-16 20:02:33,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:02:33,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:02:33,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:02:33,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:02:33,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (1/1) ... [2019-09-16 20:02:33,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:02:33,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:02:33,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:02:33,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:02:33,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:02:33" (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 [2019-09-16 20:02:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:02:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:02:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 20:02:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 20:02:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 20:02:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 20:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 20:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 20:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 20:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 20:02:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 20:02:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 20:02:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 20:02:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 20:02:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 20:02:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 20:02:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 20:02:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 20:02:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 20:02:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 20:02:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 20:02:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 20:02:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 20:02:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 20:02:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 20:02:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 20:02:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 20:02:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 20:02:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:02:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 20:02:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 20:02:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 20:02:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 20:02:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 20:02:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 20:02:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:02:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:02:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 20:02:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 20:02:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 20:02:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 20:02:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 20:02:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 20:02:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 20:02:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 20:02:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 20:02:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 20:02:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 20:02:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 20:02:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 20:02:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 20:02:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 20:02:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 20:02:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 20:02:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 20:02:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 20:02:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 20:02:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 20:02:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 20:02:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 20:02:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 20:02:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 20:02:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 20:02:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 20:02:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 20:02:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 20:02:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 20:02:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 20:02:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 20:02:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 20:02:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 20:02:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 20:02:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 20:02:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 20:02:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 20:02:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:02:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 20:02:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:02:35,308 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:02:35,308 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 20:02:35,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:02:35 BoogieIcfgContainer [2019-09-16 20:02:35,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:02:35,310 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:02:35,310 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:02:35,311 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:02:35,312 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:02:35" (1/1) ... [2019-09-16 20:02:35,312 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 20:02:35,338 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:02:35,339 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:02:35,350 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:02:35,362 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:02:35,364 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:02:54,935 WARN L191 SmtUtils]: Spent 11.98 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 20:02:56,712 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 20:03:00,512 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 20:03:02,252 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 20:03:03,983 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 20:03:03,998 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-16 20:03:04,077 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-16 20:03:04,093 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-16 20:03:15,397 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 20:03:20,852 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 20:03:31,611 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 20:03:36,949 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 20:03:55,825 WARN L191 SmtUtils]: Spent 18.81 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 20:04:05,062 WARN L191 SmtUtils]: Spent 9.24 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 20:04:37,435 WARN L191 SmtUtils]: Spent 32.27 s on a formula simplification. DAG size of input: 486 DAG size of output: 483 [2019-09-16 20:04:53,446 WARN L191 SmtUtils]: Spent 16.01 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-16 20:05:09,629 WARN L191 SmtUtils]: Spent 16.18 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-16 20:05:10,402 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-16 20:05:10,719 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:05:10,932 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:05:13,357 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 479 DAG size of output: 44 [2019-09-16 20:05:13,725 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 20:05:13,848 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 20:05:13,993 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 20:05:14,227 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-16 20:05:14,540 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:05:14,749 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:05:15,113 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 20:05:15,243 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 20:05:15,515 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 20:05:15,641 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 20:05:15,785 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 20:05:15,933 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 20:05:34,156 WARN L191 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 20:05:43,204 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 20:06:15,546 WARN L191 SmtUtils]: Spent 32.24 s on a formula simplification. DAG size of input: 486 DAG size of output: 483 [2019-09-16 20:06:31,646 WARN L191 SmtUtils]: Spent 16.10 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-16 20:06:47,699 WARN L191 SmtUtils]: Spent 16.05 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-16 20:06:48,141 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:06:48,350 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:06:50,758 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 479 DAG size of output: 44 [2019-09-16 20:06:51,127 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 20:06:51,249 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 20:06:51,390 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 20:06:51,825 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:06:52,035 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 20:06:52,395 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 20:06:52,524 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 20:06:52,669 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 20:06:52,678 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 26 for LOIs [2019-09-16 20:06:52,816 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-16 20:06:53,161 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-16 20:06:53,416 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-16 20:06:53,551 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-16 20:06:53,732 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 27 for LOIs [2019-09-16 20:06:53,736 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 37 for LOIs [2019-09-16 20:06:53,783 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:06:53,784 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:06:53,786 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 468#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-16 20:06:53,796 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:06:53,796 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:06:53,798 INFO L168 Benchmark]: Toolchain (without parser) took 260812.37 ms. Allocated memory was 130.5 MB in the beginning and 137.4 MB in the end (delta: 6.8 MB). Free memory was 84.8 MB in the beginning and 74.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-16 20:06:53,799 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 20:06:53,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.43 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 161.9 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-16 20:06:53,801 INFO L168 Benchmark]: Boogie Preprocessor took 88.21 ms. Allocated memory is still 197.7 MB. Free memory was 161.9 MB in the beginning and 157.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-16 20:06:53,801 INFO L168 Benchmark]: RCFGBuilder took 1542.03 ms. Allocated memory was 197.7 MB in the beginning and 217.6 MB in the end (delta: 19.9 MB). Free memory was 157.3 MB in the beginning and 141.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. [2019-09-16 20:06:53,802 INFO L168 Benchmark]: Sifa took 258485.88 ms. Allocated memory was 217.6 MB in the beginning and 137.4 MB in the end (delta: -80.2 MB). Free memory was 141.4 MB in the beginning and 74.9 MB in the end (delta: 66.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 20:06:53,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.43 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 161.9 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.21 ms. Allocated memory is still 197.7 MB. Free memory was 161.9 MB in the beginning and 157.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1542.03 ms. Allocated memory was 197.7 MB in the beginning and 217.6 MB in the end (delta: 19.9 MB). Free memory was 157.3 MB in the beginning and 141.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. * Sifa took 258485.88 ms. Allocated memory was 217.6 MB in the beginning and 137.4 MB in the end (delta: -80.2 MB). Free memory was 141.4 MB in the beginning and 74.9 MB in the end (delta: 66.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 258448, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 231, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 152, TOOLS_POST_TIME[ms]: 25150, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 171, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 84, TOOLS_QUANTIFIERELIM_APPLICATIONS: 275, TOOLS_QUANTIFIERELIM_TIME[ms]: 25300, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25058, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 238, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 78, DOMAIN_JOIN_TIME[ms]: 227371, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5160, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 328, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 139426, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 139426, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29373, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29372, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 403, DAG_COMPRESSION_RETAINED_NODES: 220 - UnprovableResult [Line: 595]: 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 468#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~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...