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 IntervalDomain --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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:37:48,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:37:48,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:37:48,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:37:48,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:37:48,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:37:48,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:37:48,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:37:48,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:37:48,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:37:48,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:37:48,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:37:48,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:37:48,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:37:48,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:37:48,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:37:48,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:37:48,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:37:48,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:37:48,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:37:48,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:37:48,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:37:48,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:37:48,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:37:48,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:37:48,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:37:48,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:37:48,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:37:48,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:37:48,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:37:48,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:37:48,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:37:48,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:37:48,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:37:48,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:37:48,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:37:48,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:37:48,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:37:48,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:37:48,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:37:48,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:37:48,878 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 [2019-09-17 10:37:48,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:37:48,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:37:48,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:37:48,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:37:48,903 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:37:48,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:37:48,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:37:48,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:37:48,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:37:48,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:37:48,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:37:48,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:37:48,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:37:48,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:37:48,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:37:48,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:37:48,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:37:48,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:37:48,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:37:48,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:37:48,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:37:48,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:37:48,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:37:48,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:37:48,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:37:48,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:37:48,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:37:48,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:37:48,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-17 10:37:48,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:37:48,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:37:48,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:37:48,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:37:48,963 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:37:48,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-17 10:37:49,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d05f345/d8e81828bbc7441ea88833ab41da0fc8/FLAG26251cdef [2019-09-17 10:37:49,584 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:37:49,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-17 10:37:49,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d05f345/d8e81828bbc7441ea88833ab41da0fc8/FLAG26251cdef [2019-09-17 10:37:49,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d05f345/d8e81828bbc7441ea88833ab41da0fc8 [2019-09-17 10:37:49,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:37:49,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:37:49,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:37:49,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:37:49,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:37:49,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:37:49" (1/1) ... [2019-09-17 10:37:49,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2979f7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:49, skipping insertion in model container [2019-09-17 10:37:49,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:37:49" (1/1) ... [2019-09-17 10:37:49,931 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:37:49,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:37:50,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:37:50,507 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:37:50,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:37:50,685 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:37:50,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50 WrapperNode [2019-09-17 10:37:50,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:37:50,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:37:50,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:37:50,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:37:50,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (1/1) ... [2019-09-17 10:37:50,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:37:50,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:37:50,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:37:50,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:37:50,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:37:50" (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 [2019-09-17 10:37:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:37:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:37:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:37:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:37:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:37:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:37:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:37:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:37:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:37:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:37:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-09-17 10:37:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-09-17 10:37:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:37:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:37:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:37:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:37:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:37:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:37:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:37:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:37:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:37:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:37:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:37:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:37:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:37:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:37:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:37:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-09-17 10:37:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:37:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:37:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:37:52,415 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:37:52,415 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:37:52,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:37:52 BoogieIcfgContainer [2019-09-17 10:37:52,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:37:52,417 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:37:52,417 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:37:52,418 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:37:52,419 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:37:52" (1/1) ... [2019-09-17 10:37:52,419 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 10:37:52,443 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:37:52,444 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:37:52,454 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:37:52,463 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:37:52,464 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:38:15,644 WARN L191 SmtUtils]: Spent 13.59 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 10:38:17,309 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:38:21,780 WARN L191 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 490 DAG size of output: 440 [2019-09-17 10:38:22,176 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:38:22,193 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 159 for LOIs [2019-09-17 10:38:22,304 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 151 for LOIs [2019-09-17 10:38:22,316 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 151 for LOIs [2019-09-17 10:38:23,690 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2019-09-17 10:38:25,022 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2019-09-17 10:38:25,520 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-17 10:38:26,962 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2019-09-17 10:38:28,448 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 178 [2019-09-17 10:38:28,946 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-17 10:38:30,356 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-09-17 10:38:32,153 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-09-17 10:38:33,546 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 10:38:34,016 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:34,500 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:35,809 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:36,267 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 10:38:37,542 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 171 DAG size of output: 161 [2019-09-17 10:38:38,890 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 168 DAG size of output: 161 [2019-09-17 10:38:40,301 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-09-17 10:38:41,651 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-17 10:38:42,144 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-17 10:38:42,594 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-17 10:38:43,941 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:44,421 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 10:38:45,735 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 171 DAG size of output: 161 [2019-09-17 10:38:47,114 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 168 DAG size of output: 161 [2019-09-17 10:38:47,618 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-17 10:38:49,093 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2019-09-17 10:38:50,547 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 178 [2019-09-17 10:38:51,061 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-17 10:38:52,530 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-09-17 10:38:53,961 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-09-17 10:38:55,406 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 10:38:55,901 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:56,390 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:57,762 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:38:58,240 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 10:38:59,594 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 171 DAG size of output: 161 [2019-09-17 10:39:00,928 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 168 DAG size of output: 161 [2019-09-17 10:39:02,337 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-09-17 10:39:03,743 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-17 10:39:04,233 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-17 10:39:04,721 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-17 10:39:06,069 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-17 10:39:06,531 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 10:39:07,882 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 171 DAG size of output: 161 [2019-09-17 10:39:09,252 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 168 DAG size of output: 161 [2019-09-17 10:39:09,254 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:39:09,256 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-09-17 10:39:10,313 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:39:11,359 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2019-09-17 10:39:12,386 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2019-09-17 10:39:12,387 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 135 for LOIs [2019-09-17 10:39:12,393 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 136 for LOIs [2019-09-17 10:39:12,733 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:39:12,734 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:39:12,734 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:39:12,736 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 527#(and (<= ~head~0.base 0) (<= ~__SELECTED_FEATURE_base~0 1) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 (+ ~__SELECTED_FEATURE_methaneQuery~0 2147483648)) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string75.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= ~__GUIDSL_ROOT_PRODUCTION~0 1) (<= |#t~string73.offset| 0) (<= |#t~string77.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= 0 (+ ~__SELECTED_FEATURE_lowWaterSensor~0 2147483648)) (<= |#t~string75.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_methaneAlarm~0 2147483648)) (<= |#t~string39.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_stopCommand~0 2147483648)) (<= |#t~string1.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= 1 ~__SELECTED_FEATURE_base~0) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_startCommand~0 2147483648)) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= ~__SELECTED_FEATURE_startCommand~0 2147483647) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= ~__SELECTED_FEATURE_methaneQuery~0 2147483647) (<= 0 |#t~string48.offset|) (<= 0 |#NULL.offset|) (<= 0 (+ ~__SELECTED_FEATURE_highWaterSensor~0 2147483648)) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (<= ~__SELECTED_FEATURE_stopCommand~0 2147483647) (<= ~__SELECTED_FEATURE_methaneAlarm~0 2147483647) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= ~__SELECTED_FEATURE_lowWaterSensor~0 2147483647) (<= 0 |#t~string73.offset|) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string47.offset|) (<= 0 |#t~string50.offset|) (<= 1 ~__GUIDSL_ROOT_PRODUCTION~0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= ~__SELECTED_FEATURE_highWaterSensor~0 2147483647) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string49.offset| 0) (<= 0 |#t~string77.offset|) (<= |#t~string38.offset| 0) (<= 0 |#t~string3.offset|)) [2019-09-17 10:39:12,748 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:39:12,748 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:39:12,750 INFO L168 Benchmark]: Toolchain (without parser) took 82835.37 ms. Allocated memory was 134.2 MB in the beginning and 641.7 MB in the end (delta: 507.5 MB). Free memory was 83.5 MB in the beginning and 71.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 519.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,751 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 134.2 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.05 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 83.2 MB in the beginning and 159.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,753 INFO L168 Benchmark]: Boogie Preprocessor took 109.56 ms. Allocated memory is still 198.2 MB. Free memory was 159.4 MB in the beginning and 154.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,753 INFO L168 Benchmark]: RCFGBuilder took 1620.45 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 154.8 MB in the beginning and 125.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,754 INFO L168 Benchmark]: Sifa took 80331.42 ms. Allocated memory was 219.2 MB in the beginning and 641.7 MB in the end (delta: 422.6 MB). Free memory was 125.3 MB in the beginning and 71.9 MB in the end (delta: 53.4 MB). Peak memory consumption was 475.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:39:12,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 134.2 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.05 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 83.2 MB in the beginning and 159.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.56 ms. Allocated memory is still 198.2 MB. Free memory was 159.4 MB in the beginning and 154.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1620.45 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 154.8 MB in the beginning and 125.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 80331.42 ms. Allocated memory was 219.2 MB in the beginning and 641.7 MB in the end (delta: 422.6 MB). Free memory was 125.3 MB in the beginning and 71.9 MB in the end (delta: 53.4 MB). Peak memory consumption was 475.9 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]: 80293, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 334, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 221, TOOLS_POST_TIME[ms]: 29334, TOOLS_POST_CALL_APPLICATIONS: 98, TOOLS_POST_CALL_TIME[ms]: 162, TOOLS_POST_RETURN_APPLICATIONS: 91, TOOLS_POST_RETURN_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_APPLICATIONS: 409, TOOLS_QUANTIFIERELIM_TIME[ms]: 29461, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29248, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 338, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 50340, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 199, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 34181, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34180, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 91, CALL_SUMMARIZER_CACHE_MISSES: 39, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30213, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30213, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 534, DAG_COMPRESSION_RETAINED_NODES: 320 - UnprovableResult [Line: 312]: 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 527#(and (<= ~head~0.base 0) (<= ~__SELECTED_FEATURE_base~0 1) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 (+ ~__SELECTED_FEATURE_methaneQuery~0 2147483648)) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string75.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= ~__GUIDSL_ROOT_PRODUCTION~0 1) (<= |#t~string73.offset| 0) (<= |#t~string77.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= 0 (+ ~__SELECTED_FEATURE_lowWaterSensor~0 2147483648)) (<= |#t~string75.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_methaneAlarm~0 2147483648)) (<= |#t~string39.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_stopCommand~0 2147483648)) (<= |#t~string1.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= 1 ~__SELECTED_FEATURE_base~0) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_startCommand~0 2147483648)) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= ~__SELECTED_FEATURE_startCommand~0 2147483647) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= ~__SELECTED_FEATURE_methaneQuery~0 2147483647) (<= 0 |#t~string48.offset|) (<= 0 |#NULL.offset|) (<= 0 (+ ~__SELECTED_FEATURE_highWaterSensor~0 2147483648)) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (<= ~__SELECTED_FEATURE_stopCommand~0 2147483647) (<= ~__SELECTED_FEATURE_methaneAlarm~0 2147483647) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= ~__SELECTED_FEATURE_lowWaterSensor~0 2147483647) (<= 0 |#t~string73.offset|) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string47.offset|) (<= 0 |#t~string50.offset|) (<= 1 ~__GUIDSL_ROOT_PRODUCTION~0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= ~__SELECTED_FEATURE_highWaterSensor~0 2147483647) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string49.offset| 0) (<= 0 |#t~string77.offset|) (<= |#t~string38.offset| 0) (<= 0 |#t~string3.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...