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_spec5_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:44,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:44,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:44,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:44,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:44,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:44,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:44,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:44,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:44,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:44,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:44,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:44,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:44,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:44,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:44,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:44,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:44,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:44,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:44,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:44,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:44,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:44,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:44,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:44,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:44,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:44,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:44,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:44,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:44,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:44,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:44,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:44,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:44,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:44,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:44,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:44,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:44,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:44,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:44,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:44,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:44,787 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 15:20:44,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:44,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:44,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:44,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:44,803 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:44,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:44,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:44,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:44,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:44,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:44,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:44,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:44,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:44,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:44,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:44,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:44,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:44,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:44,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:44,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:44,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:44,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:44,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:44,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:44,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:44,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:44,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:44,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:44,808 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 15:20:45,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:45,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:45,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:45,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:45,104 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:45,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2019-10-07 15:20:45,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9bb07faa/39c5b9740f614cffb45ed3098db26d3f/FLAGeb29ba5a1 [2019-10-07 15:20:45,646 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:45,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2019-10-07 15:20:45,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9bb07faa/39c5b9740f614cffb45ed3098db26d3f/FLAGeb29ba5a1 [2019-10-07 15:20:45,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9bb07faa/39c5b9740f614cffb45ed3098db26d3f [2019-10-07 15:20:46,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:46,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:46,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:46,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:46,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:46,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:45" (1/1) ... [2019-10-07 15:20:46,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46, skipping insertion in model container [2019-10-07 15:20:46,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:45" (1/1) ... [2019-10-07 15:20:46,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:46,090 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:46,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:46,551 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:46,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:46,668 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:46,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46 WrapperNode [2019-10-07 15:20:46,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:46,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:46,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:46,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:46,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:46,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:46,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:46,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:46,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:48,596 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:48,597 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:48,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:48 BoogieIcfgContainer [2019-10-07 15:20:48,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:48,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:48,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:48,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:48,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:45" (1/3) ... [2019-10-07 15:20:48,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d491d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:48, skipping insertion in model container [2019-10-07 15:20:48,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (2/3) ... [2019-10-07 15:20:48,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d491d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:48, skipping insertion in model container [2019-10-07 15:20:48,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:48" (3/3) ... [2019-10-07 15:20:48,611 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2019-10-07 15:20:48,621 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:48,630 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:48,642 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:48,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:48,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:48,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:48,681 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:48,681 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:48,681 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:48,681 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:48,681 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-07 15:20:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:48,730 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:48,731 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:48,736 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash -302956065, now seen corresponding path program 1 times [2019-10-07 15:20:48,751 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:48,751 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:48,751 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:48,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,111 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,112 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,112 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:49,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:49,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:49,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:49,136 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-07 15:20:49,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:49,195 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2019-10-07 15:20:49,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:49,206 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:49,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:49,225 INFO L225 Difference]: With dead ends: 196 [2019-10-07 15:20:49,225 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:20:49,236 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 15:20:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:20:49,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:20:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:20:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-10-07 15:20:49,298 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2019-10-07 15:20:49,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:49,299 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-10-07 15:20:49,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-10-07 15:20:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:49,303 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,303 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:49,303 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,304 INFO L82 PathProgramCache]: Analyzing trace with hash -871824959, now seen corresponding path program 1 times [2019-10-07 15:20:49,304 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,304 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,305 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,305 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,479 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,479 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:49,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:49,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:49,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:49,483 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2019-10-07 15:20:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:49,531 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2019-10-07 15:20:49,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:49,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:49,535 INFO L225 Difference]: With dead ends: 150 [2019-10-07 15:20:49,536 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:49,538 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 15:20:49,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2019-10-07 15:20:49,569 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 53 [2019-10-07 15:20:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:49,570 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2019-10-07 15:20:49,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2019-10-07 15:20:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:49,576 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,576 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:49,577 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,578 INFO L82 PathProgramCache]: Analyzing trace with hash -101537601, now seen corresponding path program 1 times [2019-10-07 15:20:49,578 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,578 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,578 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,579 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,835 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,836 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,836 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:49,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:49,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:49,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:49,838 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 7 states. [2019-10-07 15:20:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,121 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2019-10-07 15:20:50,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:50,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,124 INFO L225 Difference]: With dead ends: 159 [2019-10-07 15:20:50,125 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:50,126 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 15:20:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2019-10-07 15:20:50,153 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 56 [2019-10-07 15:20:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,157 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2019-10-07 15:20:50,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2019-10-07 15:20:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:20:50,164 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,164 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:50,167 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1291513774, now seen corresponding path program 1 times [2019-10-07 15:20:50,168 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,168 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:50,325 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,325 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,325 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:50,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:50,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:50,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:50,331 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 7 states. [2019-10-07 15:20:50,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,690 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2019-10-07 15:20:50,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:50,693 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-07 15:20:50,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,694 INFO L225 Difference]: With dead ends: 141 [2019-10-07 15:20:50,694 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:50,697 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:50,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-10-07 15:20:50,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,701 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:50,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:50,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:50,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:51,253 INFO L443 ceAbstractionStarter]: For program point L219(lines 219 223) no Hoare annotation was computed. [2019-10-07 15:20:51,254 INFO L443 ceAbstractionStarter]: For program point L213-2(lines 213 234) no Hoare annotation was computed. [2019-10-07 15:20:51,254 INFO L443 ceAbstractionStarter]: For program point L235(lines 212 236) no Hoare annotation was computed. [2019-10-07 15:20:51,254 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 188 243) no Hoare annotation was computed. [2019-10-07 15:20:51,254 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 188 243) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point L289-1(line 289) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 244 303) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 280) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 244 303) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point L270-2(lines 270 295) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 244 303) no Hoare annotation was computed. [2019-10-07 15:20:51,255 INFO L443 ceAbstractionStarter]: For program point L296(lines 269 297) no Hoare annotation was computed. [2019-10-07 15:20:51,256 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 789 795) the Hoare annotation is: true [2019-10-07 15:20:51,256 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 789 795) no Hoare annotation was computed. [2019-10-07 15:20:51,256 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 796 804) no Hoare annotation was computed. [2019-10-07 15:20:51,256 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 796 804) the Hoare annotation is: true [2019-10-07 15:20:51,256 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 905 912) the Hoare annotation is: true [2019-10-07 15:20:51,256 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 905 912) no Hoare annotation was computed. [2019-10-07 15:20:51,256 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 913 922) the Hoare annotation is: true [2019-10-07 15:20:51,256 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 913 922) no Hoare annotation was computed. [2019-10-07 15:20:51,257 INFO L443 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2019-10-07 15:20:51,257 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-10-07 15:20:51,257 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-10-07 15:20:51,257 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 923 951) the Hoare annotation is: true [2019-10-07 15:20:51,257 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 923 951) no Hoare annotation was computed. [2019-10-07 15:20:51,257 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,257 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 942) no Hoare annotation was computed. [2019-10-07 15:20:51,258 INFO L443 ceAbstractionStarter]: For program point L935(lines 935 945) no Hoare annotation was computed. [2019-10-07 15:20:51,258 INFO L446 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2019-10-07 15:20:51,258 INFO L443 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2019-10-07 15:20:51,258 INFO L443 ceAbstractionStarter]: For program point L931(lines 931 948) no Hoare annotation was computed. [2019-10-07 15:20:51,258 INFO L443 ceAbstractionStarter]: For program point L931-1(lines 923 951) no Hoare annotation was computed. [2019-10-07 15:20:51,258 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 880 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,258 INFO L439 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,259 INFO L439 ceAbstractionStarter]: At program point L892-1(line 892) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,259 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2019-10-07 15:20:51,259 INFO L443 ceAbstractionStarter]: For program point L890-1(lines 890 897) no Hoare annotation was computed. [2019-10-07 15:20:51,259 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 880 902) no Hoare annotation was computed. [2019-10-07 15:20:51,259 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-07 15:20:51,259 INFO L439 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,259 INFO L439 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,260 INFO L439 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:20:51,260 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-07 15:20:51,261 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:20:51,262 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-07 15:20:51,262 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-07 15:20:51,262 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 627 635) no Hoare annotation was computed. [2019-10-07 15:20:51,262 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 627 635) the Hoare annotation is: true [2019-10-07 15:20:51,262 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 672 690) the Hoare annotation is: true [2019-10-07 15:20:51,262 INFO L446 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: true [2019-10-07 15:20:51,262 INFO L443 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 672 690) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 636 671) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 636 671) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 782 788) no Hoare annotation was computed. [2019-10-07 15:20:51,263 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 782 788) the Hoare annotation is: true [2019-10-07 15:20:51,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 142 187) no Hoare annotation was computed. [2019-10-07 15:20:51,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 142 187) no Hoare annotation was computed. [2019-10-07 15:20:51,264 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 455 500) no Hoare annotation was computed. [2019-10-07 15:20:51,264 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 455 500) no Hoare annotation was computed. [2019-10-07 15:20:51,264 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 869 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,264 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 869 879) no Hoare annotation was computed. [2019-10-07 15:20:51,264 INFO L439 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 869 879) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 616 626) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 616 626) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 608 615) the Hoare annotation is: true [2019-10-07 15:20:51,265 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 608 615) no Hoare annotation was computed. [2019-10-07 15:20:51,265 INFO L439 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,266 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 557 581) no Hoare annotation was computed. [2019-10-07 15:20:51,266 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,266 INFO L439 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,266 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 557 581) no Hoare annotation was computed. [2019-10-07 15:20:51,266 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 573) no Hoare annotation was computed. [2019-10-07 15:20:51,266 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 557 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,266 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,266 INFO L443 ceAbstractionStarter]: For program point L563-1(line 563) no Hoare annotation was computed. [2019-10-07 15:20:51,267 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 578) no Hoare annotation was computed. [2019-10-07 15:20:51,267 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 549 555) no Hoare annotation was computed. [2019-10-07 15:20:51,267 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 549 555) the Hoare annotation is: true [2019-10-07 15:20:51,267 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,267 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,267 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2019-10-07 15:20:51,267 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2019-10-07 15:20:51,268 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2019-10-07 15:20:51,268 INFO L439 ceAbstractionStarter]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,268 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,268 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2019-10-07 15:20:51,268 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2019-10-07 15:20:51,268 INFO L439 ceAbstractionStarter]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,268 INFO L439 ceAbstractionStarter]: At program point L749-2(lines 741 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point L712(lines 711 758) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L439 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 754) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 409 454) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 409 454) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 582 589) no Hoare annotation was computed. [2019-10-07 15:20:51,269 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 582 589) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point L355-2(lines 355 375) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 306 408) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point L376(lines 354 377) no Hoare annotation was computed. [2019-10-07 15:20:51,270 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 351) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 306 408) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L356(lines 355 375) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 393) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2019-10-07 15:20:51,271 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 306 408) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 334) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 772 781) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 772 781) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 591 607) no Hoare annotation was computed. [2019-10-07 15:20:51,272 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point L602-1(lines 591 607) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 591 607) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:20:51,273 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-07 15:20:51,273 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:20:51,274 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,274 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,274 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:20:51,274 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:20:51,274 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,274 INFO L439 ceAbstractionStarter]: At program point L536(lines 536 542) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,274 INFO L439 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,274 INFO L443 ceAbstractionStarter]: For program point L529(lines 525 547) no Hoare annotation was computed. [2019-10-07 15:20:51,275 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 522 548) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:51,275 INFO L443 ceAbstractionStarter]: For program point L527(lines 525 547) no Hoare annotation was computed. [2019-10-07 15:20:51,275 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 522 548) no Hoare annotation was computed. [2019-10-07 15:20:51,275 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 522 548) no Hoare annotation was computed. [2019-10-07 15:20:51,275 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-07 15:20:51,275 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-07 15:20:51,275 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-07 15:20:51,275 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:20:51,276 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-07 15:20:51,276 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-07 15:20:51,276 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-07 15:20:51,276 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-07 15:20:51,276 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-07 15:20:51,276 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:20:51,276 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:20:51,276 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-07 15:20:51,276 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-07 15:20:51,277 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,277 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,277 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:51,277 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,277 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 691 698) no Hoare annotation was computed. [2019-10-07 15:20:51,277 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 691 698) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,277 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:20:51,277 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-07 15:20:51,278 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2019-10-07 15:20:51,278 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2019-10-07 15:20:51,278 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2019-10-07 15:20:51,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:51 BoogieIcfgContainer [2019-10-07 15:20:51,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:51,295 INFO L168 Benchmark]: Toolchain (without parser) took 5289.56 ms. Allocated memory was 144.2 MB in the beginning and 250.1 MB in the end (delta: 105.9 MB). Free memory was 101.1 MB in the beginning and 172.9 MB in the end (delta: -71.8 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,296 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,298 INFO L168 Benchmark]: Boogie Preprocessor took 105.69 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,299 INFO L168 Benchmark]: RCFGBuilder took 1824.54 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 146.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,300 INFO L168 Benchmark]: TraceAbstraction took 2690.66 ms. Allocated memory was 232.3 MB in the beginning and 250.1 MB in the end (delta: 17.8 MB). Free memory was 146.8 MB in the beginning and 172.9 MB in the end (delta: -26.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,304 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 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.69 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1824.54 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 146.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2690.66 ms. Allocated memory was 232.3 MB in the beginning and 250.1 MB in the end (delta: 17.8 MB). Free memory was 146.8 MB in the beginning and 172.9 MB in the end (delta: -26.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 185 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 382 SDtfs, 160 SDslu, 386 SDs, 0 SdLazy, 267 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 21051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...