java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:37:50,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:37:50,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:37:50,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:37:50,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:37:50,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:37:50,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:37:50,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:37:50,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:37:50,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:37:50,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:37:50,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:37:50,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:37:50,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:37:50,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:37:50,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:37:50,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:37:50,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:37:50,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:37:50,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:37:50,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:37:50,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:37:50,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:37:50,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:37:50,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:37:50,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:37:50,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:37:50,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:37:50,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:37:50,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:37:50,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:37:50,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:37:50,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:37:50,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:37:50,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:37:50,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:37:50,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:37:50,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:37:50,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:37:50,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:37:50,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:37:50,932 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 [2019-09-21 08:37:50,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:37:50,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:37:50,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:37:50,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:37:50,949 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:37:50,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:37:50,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:37:50,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:37:50,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:37:50,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:37:50,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:37:50,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:37:50,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:37:50,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:37:50,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:37:50,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:37:50,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:37:50,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:37:50,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:37:50,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:37:50,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:37:50,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:50,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:37:50,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:37:50,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:37:50,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:37:50,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:37:50,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:37:50,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:37:50,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:37:51,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:37:51,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:37:51,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:37:51,008 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:37:51,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-09-21 08:37:51,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97bbbe26/16ddec0d4f65461b87fe1cd62abdf079/FLAGb4149e1e7 [2019-09-21 08:37:51,556 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:37:51,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-09-21 08:37:51,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97bbbe26/16ddec0d4f65461b87fe1cd62abdf079/FLAGb4149e1e7 [2019-09-21 08:37:51,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97bbbe26/16ddec0d4f65461b87fe1cd62abdf079 [2019-09-21 08:37:51,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:37:51,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:37:51,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:51,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:37:51,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:37:51,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:51" (1/1) ... [2019-09-21 08:37:51,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230fcc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:51, skipping insertion in model container [2019-09-21 08:37:51,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:51" (1/1) ... [2019-09-21 08:37:51,911 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:37:51,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:37:52,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:52,418 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:37:52,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:52,549 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:37:52,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52 WrapperNode [2019-09-21 08:37:52,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:52,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:37:52,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:37:52,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:37:52,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (1/1) ... [2019-09-21 08:37:52,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:37:52,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:37:52,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:37:52,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:37:52,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:52" (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 [2019-09-21 08:37:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:37:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:37:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:37:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:37:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:37:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:37:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:37:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:37:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:37:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:37:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:37:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:37:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:37:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:37:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:37:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:37:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:37:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:37:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:37:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:37:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:37:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:37:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:37:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:37:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:37:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:37:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:37:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:37:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:37:52,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:37:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:37:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:37:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:37:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:37:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:37:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:37:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:37:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:37:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:37:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:37:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:37:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:37:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:37:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:37:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:37:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:37:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:37:54,222 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:37:54,222 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:37:54,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:54 BoogieIcfgContainer [2019-09-21 08:37:54,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:37:54,225 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:37:54,226 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:37:54,226 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:37:54,227 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:54" (1/1) ... [2019-09-21 08:37:54,228 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:37:54,262 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:37:54,262 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:37:54,271 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:37:54,279 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:37:54,281 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:38:02,486 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:38:03,982 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:38:04,145 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:38:04,279 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:38:04,395 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:38:04,417 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-21 08:38:04,471 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-21 08:38:04,487 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-21 08:38:05,022 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:05,339 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:05,648 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:05,946 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:06,167 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:06,362 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:06,529 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:06,706 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:38:07,099 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:07,432 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:08,018 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 527 [2019-09-21 08:38:08,350 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:38:08,618 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-09-21 08:38:08,824 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:09,075 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 544 [2019-09-21 08:38:09,269 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:09,661 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-21 08:38:10,401 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:10,732 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:11,000 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 527 [2019-09-21 08:38:11,177 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:38:11,488 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 544 [2019-09-21 08:38:11,664 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:11,857 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 544 [2019-09-21 08:38:12,047 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:12,347 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-21 08:38:12,518 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-21 08:38:13,076 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:13,349 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:13,872 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 527 [2019-09-21 08:38:14,259 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:38:14,570 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 544 [2019-09-21 08:38:14,753 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:14,940 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 544 [2019-09-21 08:38:15,139 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:15,437 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-21 08:38:16,200 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:16,581 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:38:17,061 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 527 [2019-09-21 08:38:17,524 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:38:17,912 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 544 [2019-09-21 08:38:18,107 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:18,285 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 544 [2019-09-21 08:38:18,461 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:38:18,752 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-21 08:38:18,798 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 36 for LOIs [2019-09-21 08:38:18,856 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:38:18,870 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-21 08:38:18,875 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-21 08:38:18,880 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:38:18,880 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:38:18,882 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 562#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:38:18,896 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:38:18,897 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:38:18,899 INFO L168 Benchmark]: Toolchain (without parser) took 27000.30 ms. Allocated memory was 140.0 MB in the beginning and 869.3 MB in the end (delta: 729.3 MB). Free memory was 86.5 MB in the beginning and 183.3 MB in the end (delta: -96.8 MB). Peak memory consumption was 632.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,900 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.36 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.3 MB in the beginning and 165.3 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,901 INFO L168 Benchmark]: Boogie Preprocessor took 86.07 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 161.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,902 INFO L168 Benchmark]: RCFGBuilder took 1587.84 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 142.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,903 INFO L168 Benchmark]: Sifa took 24671.38 ms. Allocated memory was 224.9 MB in the beginning and 869.3 MB in the end (delta: 644.3 MB). Free memory was 142.3 MB in the beginning and 183.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 603.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:38:18,917 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 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.36 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.3 MB in the beginning and 165.3 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.07 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 161.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1587.84 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 142.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 24671.38 ms. Allocated memory was 224.9 MB in the beginning and 869.3 MB in the end (delta: 644.3 MB). Free memory was 142.3 MB in the beginning and 183.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 603.3 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]: 24621, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 283, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 9918, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 347, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 185, TOOLS_QUANTIFIERELIM_APPLICATIONS: 339, TOOLS_QUANTIFIERELIM_TIME[ms]: 10314, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9782, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 294, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 92, DOMAIN_JOIN_TIME[ms]: 12502, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 1279, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 183, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11614, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11613, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10244, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10243, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 222 - UnprovableResult [Line: 299]: 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 562#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...