java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:06,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:06,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:06,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:06,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:06,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:06,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:06,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:06,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:06,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:06,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:06,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:06,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:06,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:06,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:06,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:06,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:06,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:06,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:06,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:06,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:06,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:06,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:06,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:06,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:06,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:06,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:06,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:06,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:06,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:06,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:06,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:06,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:06,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:06,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:06,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:06,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:06,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:06,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:06,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:06,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:06,801 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 [2019-10-07 15:19:06,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:06,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:06,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:06,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:06,829 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:06,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:06,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:06,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:06,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:06,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:06,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:06,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:06,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:06,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:06,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:06,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:06,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:06,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:06,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:06,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:06,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:06,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:06,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:06,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:06,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:06,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:06,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:06,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:06,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:19:07,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:07,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:07,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:07,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:07,146 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:07,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-07 15:19:07,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1df7be7/2eb572a52f7b4e24887c39742d99259a/FLAG12cc28eac [2019-10-07 15:19:07,726 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:07,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-07 15:19:07,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1df7be7/2eb572a52f7b4e24887c39742d99259a/FLAG12cc28eac [2019-10-07 15:19:07,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1df7be7/2eb572a52f7b4e24887c39742d99259a [2019-10-07 15:19:07,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:07,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:07,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:07,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:07,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:07,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:07" (1/1) ... [2019-10-07 15:19:08,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588a9aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:07, skipping insertion in model container [2019-10-07 15:19:08,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:07" (1/1) ... [2019-10-07 15:19:08,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:08,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:08,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:08,534 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:08,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:08,659 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08 WrapperNode [2019-10-07 15:19:08,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:08,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:08,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:08,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:08,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (1/1) ... [2019-10-07 15:19:08,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:08,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:08,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:08,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:08,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (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 [2019-10-07 15:19:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:19:08,838 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:19:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:10,462 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:10,463 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:10,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:10 BoogieIcfgContainer [2019-10-07 15:19:10,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:10,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:10,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:10,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:10,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:07" (1/3) ... [2019-10-07 15:19:10,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9183c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:10, skipping insertion in model container [2019-10-07 15:19:10,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:08" (2/3) ... [2019-10-07 15:19:10,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9183c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:10, skipping insertion in model container [2019-10-07 15:19:10,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:10" (3/3) ... [2019-10-07 15:19:10,474 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-10-07 15:19:10,484 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:10,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:10,506 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:10,537 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:10,537 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:10,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:10,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:10,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:10,538 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:10,538 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:10,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-07 15:19:10,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:10,570 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:10,571 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:10,574 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:10,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:10,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1859054852, now seen corresponding path program 1 times [2019-10-07 15:19:10,589 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:10,590 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:10,971 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,972 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:10,972 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:10,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:10,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:10,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:10,996 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-07 15:19:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:11,044 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-10-07 15:19:11,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:11,047 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:11,069 INFO L225 Difference]: With dead ends: 195 [2019-10-07 15:19:11,070 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:19:11,086 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:11,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:19:11,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:19:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:19:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-10-07 15:19:11,177 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-10-07 15:19:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:11,178 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-10-07 15:19:11,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-10-07 15:19:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:11,181 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:11,181 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:11,182 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:11,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:11,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1060954864, now seen corresponding path program 1 times [2019-10-07 15:19:11,182 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:11,183 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:11,183 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:11,183 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:11,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:11,285 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:11,286 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:11,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:11,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:11,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:11,289 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-10-07 15:19:11,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:11,308 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-10-07 15:19:11,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:11,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:11,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:11,311 INFO L225 Difference]: With dead ends: 143 [2019-10-07 15:19:11,311 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:19:11,313 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:11,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:19:11,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:19:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:19:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-10-07 15:19:11,326 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-10-07 15:19:11,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:11,326 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-10-07 15:19:11,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-10-07 15:19:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:19:11,329 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:11,329 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:11,329 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:11,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1567413560, now seen corresponding path program 1 times [2019-10-07 15:19:11,330 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:11,330 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:11,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:11,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:11,541 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:11,542 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:11,542 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:11,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:11,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:11,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:11,545 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-10-07 15:19:11,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:11,991 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-10-07 15:19:11,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:11,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:19:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:11,995 INFO L225 Difference]: With dead ends: 271 [2019-10-07 15:19:12,000 INFO L226 Difference]: Without dead ends: 203 [2019-10-07 15:19:12,002 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-07 15:19:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-10-07 15:19:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-07 15:19:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-10-07 15:19:12,065 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-10-07 15:19:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:12,065 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-10-07 15:19:12,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-10-07 15:19:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:12,075 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:12,075 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:12,076 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:12,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:12,076 INFO L82 PathProgramCache]: Analyzing trace with hash -204964900, now seen corresponding path program 1 times [2019-10-07 15:19:12,076 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:12,077 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:12,077 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:12,077 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:12,271 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:12,271 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:12,271 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:12,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:12,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:12,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:12,273 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 10 states. [2019-10-07 15:19:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:12,817 INFO L93 Difference]: Finished difference Result 659 states and 826 transitions. [2019-10-07 15:19:12,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:12,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:12,824 INFO L225 Difference]: With dead ends: 659 [2019-10-07 15:19:12,824 INFO L226 Difference]: Without dead ends: 490 [2019-10-07 15:19:12,826 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:19:12,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-07 15:19:12,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 466. [2019-10-07 15:19:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-10-07 15:19:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 569 transitions. [2019-10-07 15:19:12,931 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 569 transitions. Word has length 51 [2019-10-07 15:19:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:12,932 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 569 transitions. [2019-10-07 15:19:12,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 569 transitions. [2019-10-07 15:19:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:12,934 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:12,934 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:12,935 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:12,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:12,935 INFO L82 PathProgramCache]: Analyzing trace with hash 123722839, now seen corresponding path program 1 times [2019-10-07 15:19:12,935 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:12,935 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:12,935 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:12,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:13,038 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:13,039 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:13,039 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:13,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:13,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:13,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:13,040 INFO L87 Difference]: Start difference. First operand 466 states and 569 transitions. Second operand 4 states. [2019-10-07 15:19:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:13,207 INFO L93 Difference]: Finished difference Result 808 states and 1021 transitions. [2019-10-07 15:19:13,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:13,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:13,215 INFO L225 Difference]: With dead ends: 808 [2019-10-07 15:19:13,216 INFO L226 Difference]: Without dead ends: 364 [2019-10-07 15:19:13,222 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:19:13,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-07 15:19:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 352. [2019-10-07 15:19:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-07 15:19:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 399 transitions. [2019-10-07 15:19:13,282 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 399 transitions. Word has length 54 [2019-10-07 15:19:13,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:13,282 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 399 transitions. [2019-10-07 15:19:13,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 399 transitions. [2019-10-07 15:19:13,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:19:13,288 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:13,289 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:13,289 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:13,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:13,289 INFO L82 PathProgramCache]: Analyzing trace with hash -384580883, now seen corresponding path program 1 times [2019-10-07 15:19:13,290 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:13,290 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:13,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:13,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:19:13,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:13,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:13,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:13,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:19:13,750 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:13,878 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:13,878 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:13,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:13,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:13,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:13,880 INFO L87 Difference]: Start difference. First operand 352 states and 399 transitions. Second operand 7 states. [2019-10-07 15:19:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:14,029 INFO L93 Difference]: Finished difference Result 358 states and 405 transitions. [2019-10-07 15:19:14,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:14,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-07 15:19:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:14,031 INFO L225 Difference]: With dead ends: 358 [2019-10-07 15:19:14,031 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:14,032 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:14,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:14,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:19:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:14,034 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:14,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:14,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:14,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:14,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:15,241 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:15,626 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2019-10-07 15:19:15,626 INFO L443 ceAbstractionStarter]: For program point L372(lines 349 373) no Hoare annotation was computed. [2019-10-07 15:19:15,626 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L433(lines 406 434) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2019-10-07 15:19:15,627 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-10-07 15:19:15,628 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:19:15,628 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:19:15,628 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:19:15,628 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:19:15,628 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2019-10-07 15:19:15,628 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:15,628 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-10-07 15:19:15,628 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:15,629 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2019-10-07 15:19:15,629 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-07 15:19:15,629 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-10-07 15:19:15,629 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2019-10-07 15:19:15,629 INFO L446 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: true [2019-10-07 15:19:15,629 INFO L443 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2019-10-07 15:19:15,630 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-07 15:19:15,630 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,630 INFO L439 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,630 INFO L439 ceAbstractionStarter]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,630 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,631 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2019-10-07 15:19:15,631 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,631 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,631 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-10-07 15:19:15,631 INFO L443 ceAbstractionStarter]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2019-10-07 15:19:15,631 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-07 15:19:15,632 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-07 15:19:15,633 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-07 15:19:15,634 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-07 15:19:15,634 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-07 15:19:15,634 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2019-10-07 15:19:15,634 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:15,634 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:15,634 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-07 15:19:15,634 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2019-10-07 15:19:15,635 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2019-10-07 15:19:15,635 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-10-07 15:19:15,635 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2019-10-07 15:19:15,635 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2019-10-07 15:19:15,635 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-10-07 15:19:15,635 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point L805-1(line 805) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2019-10-07 15:19:15,636 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2019-10-07 15:19:15,637 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2019-10-07 15:19:15,637 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,637 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2019-10-07 15:19:15,637 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2019-10-07 15:19:15,637 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2019-10-07 15:19:15,637 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2019-10-07 15:19:15,638 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-07 15:19:15,638 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-07 15:19:15,638 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2019-10-07 15:19:15,638 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2019-10-07 15:19:15,638 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:15,638 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2019-10-07 15:19:15,638 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:15,639 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2019-10-07 15:19:15,639 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:15,639 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:15,639 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-07 15:19:15,639 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:15,639 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-07 15:19:15,639 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-07 15:19:15,640 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2019-10-07 15:19:15,640 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2019-10-07 15:19:15,640 INFO L443 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-10-07 15:19:15,640 INFO L439 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,640 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,640 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-10-07 15:19:15,640 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2019-10-07 15:19:15,641 INFO L439 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,641 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-07 15:19:15,641 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2019-10-07 15:19:15,641 INFO L439 ceAbstractionStarter]: At program point L911(lines 864 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,641 INFO L439 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,641 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-07 15:19:15,641 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-10-07 15:19:15,642 INFO L439 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,642 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,642 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-07 15:19:15,642 INFO L439 ceAbstractionStarter]: At program point L902-1(lines 894 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:15,642 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:19:15,643 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 471) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L513(lines 491 514) no Hoare annotation was computed. [2019-10-07 15:19:15,644 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 488) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point L493(lines 492 512) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 530) no Hoare annotation was computed. [2019-10-07 15:19:15,645 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:15,645 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:15,646 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2019-10-07 15:19:15,647 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2019-10-07 15:19:15,647 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:15,647 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:15,647 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:15,647 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:15,647 INFO L443 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2019-10-07 15:19:15,648 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2019-10-07 15:19:15,648 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2019-10-07 15:19:15,648 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2019-10-07 15:19:15,648 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-07 15:19:15,648 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2019-10-07 15:19:15,648 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2019-10-07 15:19:15,648 INFO L446 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2019-10-07 15:19:15,648 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-07 15:19:15,649 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-07 15:19:15,649 INFO L446 ceAbstractionStarter]: At program point L201(lines 176 205) the Hoare annotation is: true [2019-10-07 15:19:15,649 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-07 15:19:15,649 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2019-10-07 15:19:15,649 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2019-10-07 15:19:15,649 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2019-10-07 15:19:15,649 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2019-10-07 15:19:15,650 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:15,650 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:15,650 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:15,650 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:15,650 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-10-07 15:19:15,650 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: true [2019-10-07 15:19:15,650 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2019-10-07 15:19:15,650 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:15,651 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2019-10-07 15:19:15,651 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-07 15:19:15,651 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2019-10-07 15:19:15,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:15 BoogieIcfgContainer [2019-10-07 15:19:15,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:15,668 INFO L168 Benchmark]: Toolchain (without parser) took 7674.94 ms. Allocated memory was 137.9 MB in the beginning and 295.2 MB in the end (delta: 157.3 MB). Free memory was 100.2 MB in the beginning and 191.0 MB in the end (delta: -90.8 MB). Peak memory consumption was 173.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,669 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.17 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 168.1 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,671 INFO L168 Benchmark]: Boogie Preprocessor took 86.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,673 INFO L168 Benchmark]: RCFGBuilder took 1716.43 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 149.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,674 INFO L168 Benchmark]: TraceAbstraction took 5200.40 ms. Allocated memory was 233.3 MB in the beginning and 295.2 MB in the end (delta: 61.9 MB). Free memory was 149.7 MB in the beginning and 191.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:15,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.17 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 168.1 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1716.43 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 149.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5200.40 ms. Allocated memory was 233.3 MB in the beginning and 295.2 MB in the end (delta: 61.9 MB). Free memory was 149.7 MB in the beginning and 191.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 622 SDtfs, 469 SDslu, 1392 SDs, 0 SdLazy, 521 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 541 PreInvPairs, 602 NumberOfFragments, 549 HoareAnnotationTreeSize, 541 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 2710 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 51496 SizeOfPredicates, 2 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 60/63 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...