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_spec1_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:08,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:08,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:08,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:08,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:08,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:08,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:08,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:08,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:08,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:08,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:08,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:08,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:08,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:08,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:08,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:08,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:08,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:08,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:08,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:08,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:08,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:08,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:08,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:08,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:08,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:08,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:08,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:08,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:08,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:08,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:08,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:08,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:08,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:08,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:08,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:08,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:08,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:08,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:08,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:08,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:08,817 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 [2019-10-13 23:14:08,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:08,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:08,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:08,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:08,833 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:08,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:08,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:08,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:08,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:08,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:08,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:08,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:08,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:08,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:08,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:08,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:08,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:08,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:08,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:08,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:08,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:08,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:08,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:08,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:08,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:08,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:08,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:08,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:08,838 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 [2019-10-13 23:14:09,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:09,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:09,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:09,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:09,121 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:09,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-10-13 23:14:09,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2da040fc/26e0bf07e819411e8e91e4881fc50710/FLAGe9b07c65b [2019-10-13 23:14:09,717 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:09,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-10-13 23:14:09,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2da040fc/26e0bf07e819411e8e91e4881fc50710/FLAGe9b07c65b [2019-10-13 23:14:10,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2da040fc/26e0bf07e819411e8e91e4881fc50710 [2019-10-13 23:14:10,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:10,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:10,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:10,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:10,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:10,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10, skipping insertion in model container [2019-10-13 23:14:10,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,056 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:10,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:10,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,512 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:10,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,661 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:10,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10 WrapperNode [2019-10-13 23:14:10,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:10,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:10,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:10,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:10,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:10,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:10,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (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 [2019-10-13 23:14:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:12,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:12,570 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:12,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:12 BoogieIcfgContainer [2019-10-13 23:14:12,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:12,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:12,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:12,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:12,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:10" (1/3) ... [2019-10-13 23:14:12,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433dc004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:12, skipping insertion in model container [2019-10-13 23:14:12,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (2/3) ... [2019-10-13 23:14:12,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433dc004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:12, skipping insertion in model container [2019-10-13 23:14:12,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:12" (3/3) ... [2019-10-13 23:14:12,585 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2019-10-13 23:14:12,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:12,611 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:12,626 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:12,669 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:12,669 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:12,669 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:12,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:12,670 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:12,670 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:12,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:12,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-10-13 23:14:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:12,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,714 INFO L380 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] [2019-10-13 23:14:12,716 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,722 INFO L82 PathProgramCache]: Analyzing trace with hash 289639419, now seen corresponding path program 1 times [2019-10-13 23:14:12,734 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169356884] [2019-10-13 23:14:12,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169356884] [2019-10-13 23:14:13,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:13,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780657103] [2019-10-13 23:14:13,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:13,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:13,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:13,114 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-10-13 23:14:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,184 INFO L93 Difference]: Finished difference Result 171 states and 208 transitions. [2019-10-13 23:14:13,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:13,190 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,209 INFO L225 Difference]: With dead ends: 171 [2019-10-13 23:14:13,210 INFO L226 Difference]: Without dead ends: 86 [2019-10-13 23:14:13,222 INFO L600 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 [2019-10-13 23:14:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-13 23:14:13,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-13 23:14:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-13 23:14:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-10-13 23:14:13,309 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 42 [2019-10-13 23:14:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,315 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-10-13 23:14:13,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-10-13 23:14:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:13,322 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,322 INFO L380 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] [2019-10-13 23:14:13,322 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,324 INFO L82 PathProgramCache]: Analyzing trace with hash 259133943, now seen corresponding path program 1 times [2019-10-13 23:14:13,324 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069887644] [2019-10-13 23:14:13,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069887644] [2019-10-13 23:14:13,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:13,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219717852] [2019-10-13 23:14:13,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:13,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:13,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:13,474 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2019-10-13 23:14:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,507 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2019-10-13 23:14:13,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:13,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,512 INFO L225 Difference]: With dead ends: 129 [2019-10-13 23:14:13,512 INFO L226 Difference]: Without dead ends: 78 [2019-10-13 23:14:13,515 INFO L600 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 [2019-10-13 23:14:13,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-13 23:14:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-13 23:14:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-13 23:14:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2019-10-13 23:14:13,534 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 43 [2019-10-13 23:14:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,535 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2019-10-13 23:14:13,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2019-10-13 23:14:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:14:13,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,546 INFO L380 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] [2019-10-13 23:14:13,546 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,547 INFO L82 PathProgramCache]: Analyzing trace with hash 303118437, now seen corresponding path program 1 times [2019-10-13 23:14:13,547 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413779193] [2019-10-13 23:14:13,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413779193] [2019-10-13 23:14:13,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:13,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336515770] [2019-10-13 23:14:13,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:13,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:13,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:13,726 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 7 states. [2019-10-13 23:14:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:14,148 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2019-10-13 23:14:14,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:14,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:14:14,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:14,151 INFO L225 Difference]: With dead ends: 134 [2019-10-13 23:14:14,151 INFO L226 Difference]: Without dead ends: 78 [2019-10-13 23:14:14,152 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:14,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-13 23:14:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-13 23:14:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-13 23:14:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2019-10-13 23:14:14,163 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 45 [2019-10-13 23:14:14,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:14,163 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2019-10-13 23:14:14,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2019-10-13 23:14:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:14:14,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:14,166 INFO L380 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] [2019-10-13 23:14:14,166 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:14,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:14,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1556256136, now seen corresponding path program 1 times [2019-10-13 23:14:14,167 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:14,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600146210] [2019-10-13 23:14:14,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:14,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:14,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:14,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600146210] [2019-10-13 23:14:14,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:14,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:14,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167328631] [2019-10-13 23:14:14,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:14,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:14,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:14,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:14,298 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand 6 states. [2019-10-13 23:14:14,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:14,488 INFO L93 Difference]: Finished difference Result 183 states and 210 transitions. [2019-10-13 23:14:14,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:14,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:14:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:14,493 INFO L225 Difference]: With dead ends: 183 [2019-10-13 23:14:14,493 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 23:14:14,494 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 23:14:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2019-10-13 23:14:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 23:14:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2019-10-13 23:14:14,514 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 53 [2019-10-13 23:14:14,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:14,514 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2019-10-13 23:14:14,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2019-10-13 23:14:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:14:14,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:14,516 INFO L380 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, 1, 1] [2019-10-13 23:14:14,516 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:14,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:14,517 INFO L82 PathProgramCache]: Analyzing trace with hash 826564480, now seen corresponding path program 1 times [2019-10-13 23:14:14,517 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:14,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517614663] [2019-10-13 23:14:14,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:14,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:14,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:14,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517614663] [2019-10-13 23:14:14,634 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:14,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:14,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992192225] [2019-10-13 23:14:14,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:14,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:14,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:14,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:14,640 INFO L87 Difference]: Start difference. First operand 123 states and 138 transitions. Second operand 7 states. [2019-10-13 23:14:14,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:14,950 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2019-10-13 23:14:14,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:14,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:14:14,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:14,952 INFO L225 Difference]: With dead ends: 195 [2019-10-13 23:14:14,952 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:14,956 INFO L600 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 [2019-10-13 23:14:14,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:14,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-13 23:14:14,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:14,961 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:14,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:14,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:14,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:15,632 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 438) no Hoare annotation was computed. [2019-10-13 23:14:15,632 INFO L443 ceAbstractionStarter]: For program point L439(lines 416 440) no Hoare annotation was computed. [2019-10-13 23:14:15,632 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 427) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 392 447) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 392 447) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point L474-2(lines 474 499) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 448 507) no Hoare annotation was computed. [2019-10-13 23:14:15,633 INFO L443 ceAbstractionStarter]: For program point L500(lines 473 501) no Hoare annotation was computed. [2019-10-13 23:14:15,634 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 448 507) no Hoare annotation was computed. [2019-10-13 23:14:15,634 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 23:14:15,634 INFO L443 ceAbstractionStarter]: For program point L493-1(line 493) no Hoare annotation was computed. [2019-10-13 23:14:15,634 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 448 507) no Hoare annotation was computed. [2019-10-13 23:14:15,634 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 849 855) the Hoare annotation is: true [2019-10-13 23:14:15,634 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 849 855) no Hoare annotation was computed. [2019-10-13 23:14:15,635 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 856 864) no Hoare annotation was computed. [2019-10-13 23:14:15,635 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 856 864) the Hoare annotation is: true [2019-10-13 23:14:15,635 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 807 829) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,635 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 807 829) no Hoare annotation was computed. [2019-10-13 23:14:15,636 INFO L439 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,636 INFO L439 ceAbstractionStarter]: At program point L819-1(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,636 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 824) no Hoare annotation was computed. [2019-10-13 23:14:15,636 INFO L443 ceAbstractionStarter]: For program point L817-1(lines 817 824) no Hoare annotation was computed. [2019-10-13 23:14:15,636 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 23:14:15,636 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,637 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,637 INFO L439 ceAbstractionStarter]: At program point L813-1(line 813) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,637 INFO L443 ceAbstractionStarter]: For program point L769(line 769) no Hoare annotation was computed. [2019-10-13 23:14:15,637 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-13 23:14:15,637 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 763 786) no Hoare annotation was computed. [2019-10-13 23:14:15,637 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 763 786) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 763 786) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L779(line 779) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-10-13 23:14:15,638 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-13 23:14:15,639 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 842 848) no Hoare annotation was computed. [2019-10-13 23:14:15,640 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 842 848) the Hoare annotation is: true [2019-10-13 23:14:15,640 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 346 391) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 346 391) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 794 803) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,641 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 794 803) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 794 803) no Hoare annotation was computed. [2019-10-13 23:14:15,641 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 208 218) the Hoare annotation is: true [2019-10-13 23:14:15,642 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2019-10-13 23:14:15,642 INFO L446 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: true [2019-10-13 23:14:15,642 INFO L443 ceAbstractionStarter]: For program point L213-1(line 213) no Hoare annotation was computed. [2019-10-13 23:14:15,642 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2019-10-13 23:14:15,642 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2019-10-13 23:14:15,642 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,642 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2019-10-13 23:14:15,643 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 167 191) no Hoare annotation was computed. [2019-10-13 23:14:15,643 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,643 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 167 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,643 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,643 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 183) no Hoare annotation was computed. [2019-10-13 23:14:15,643 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,644 INFO L443 ceAbstractionStarter]: For program point L173-1(line 173) no Hoare annotation was computed. [2019-10-13 23:14:15,644 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 188) no Hoare annotation was computed. [2019-10-13 23:14:15,644 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2019-10-13 23:14:15,644 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2019-10-13 23:14:15,644 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 275 338) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,644 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 275 338) no Hoare annotation was computed. [2019-10-13 23:14:15,644 INFO L439 ceAbstractionStarter]: At program point L331(lines 284 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,645 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 315 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,645 INFO L443 ceAbstractionStarter]: For program point L286(lines 285 330) no Hoare annotation was computed. [2019-10-13 23:14:15,645 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,645 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-10-13 23:14:15,645 INFO L443 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2019-10-13 23:14:15,645 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,646 INFO L439 ceAbstractionStarter]: At program point L328(lines 285 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 275 338) no Hoare annotation was computed. [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 613 658) no Hoare annotation was computed. [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 613 658) no Hoare annotation was computed. [2019-10-13 23:14:15,646 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 510 612) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 555) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point L560(lines 559 579) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 23:14:15,647 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 597) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 510 612) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point L575-1(line 575) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 538) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 510 612) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 579) no Hoare annotation was computed. [2019-10-13 23:14:15,648 INFO L443 ceAbstractionStarter]: For program point L580(lines 558 581) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 832 841) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 832 841) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2019-10-13 23:14:15,649 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:14:15,650 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:14:15,650 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-13 23:14:15,650 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 23:14:15,650 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:15,650 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:15,650 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-13 23:14:15,650 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:14:15,651 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,651 INFO L439 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,651 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,651 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,651 INFO L443 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2019-10-13 23:14:15,651 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2019-10-13 23:14:15,652 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2019-10-13 23:14:15,652 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 733 762) no Hoare annotation was computed. [2019-10-13 23:14:15,652 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 733 762) the Hoare annotation is: true [2019-10-13 23:14:15,652 INFO L446 ceAbstractionStarter]: At program point L758(lines 733 762) the Hoare annotation is: true [2019-10-13 23:14:15,652 INFO L443 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2019-10-13 23:14:15,652 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-10-13 23:14:15,652 INFO L446 ceAbstractionStarter]: At program point L747-1(lines 747 751) the Hoare annotation is: true [2019-10-13 23:14:15,653 INFO L446 ceAbstractionStarter]: At program point L743-2(lines 743 757) the Hoare annotation is: true [2019-10-13 23:14:15,653 INFO L446 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2019-10-13 23:14:15,653 INFO L443 ceAbstractionStarter]: For program point L739-1(line 739) no Hoare annotation was computed. [2019-10-13 23:14:15,653 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 23:14:15,653 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 23:14:15,653 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 787 793) no Hoare annotation was computed. [2019-10-13 23:14:15,653 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 787 793) the Hoare annotation is: true [2019-10-13 23:14:15,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:15,654 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:15,654 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:15,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:15,654 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 23:14:15,654 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-13 23:14:15,654 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 265 272) the Hoare annotation is: true [2019-10-13 23:14:15,654 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 265 272) no Hoare annotation was computed. [2019-10-13 23:14:15,655 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2019-10-13 23:14:15,655 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 706 730) the Hoare annotation is: true [2019-10-13 23:14:15,655 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 706 730) no Hoare annotation was computed. [2019-10-13 23:14:15,655 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:15,655 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 724) no Hoare annotation was computed. [2019-10-13 23:14:15,656 INFO L439 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:15,656 INFO L443 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2019-10-13 23:14:15,656 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 727) no Hoare annotation was computed. [2019-10-13 23:14:15,656 INFO L443 ceAbstractionStarter]: For program point L714-1(lines 706 730) no Hoare annotation was computed. [2019-10-13 23:14:15,656 INFO L446 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: true [2019-10-13 23:14:15,656 INFO L443 ceAbstractionStarter]: For program point L712-1(line 712) no Hoare annotation was computed. [2019-10-13 23:14:15,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:15 BoogieIcfgContainer [2019-10-13 23:14:15,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:15,674 INFO L168 Benchmark]: Toolchain (without parser) took 5632.91 ms. Allocated memory was 137.4 MB in the beginning and 250.6 MB in the end (delta: 113.2 MB). Free memory was 101.3 MB in the beginning and 137.5 MB in the end (delta: -36.3 MB). Peak memory consumption was 130.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,675 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.08 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 173.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,677 INFO L168 Benchmark]: Boogie Preprocessor took 107.62 ms. Allocated memory is still 202.4 MB. Free memory was 173.1 MB in the beginning and 168.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,678 INFO L168 Benchmark]: RCFGBuilder took 1802.63 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.8 MB in the beginning and 159.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,679 INFO L168 Benchmark]: TraceAbstraction took 3096.02 ms. Allocated memory was 233.3 MB in the beginning and 250.6 MB in the end (delta: 17.3 MB). Free memory was 158.5 MB in the beginning and 137.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:15,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.08 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 173.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.62 ms. Allocated memory is still 202.4 MB. Free memory was 173.1 MB in the beginning and 168.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1802.63 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.8 MB in the beginning and 159.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3096.02 ms. Allocated memory was 233.3 MB in the beginning and 250.6 MB in the end (delta: 17.3 MB). Free memory was 158.5 MB in the beginning and 137.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 160 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 419 SDtfs, 216 SDslu, 630 SDs, 0 SdLazy, 279 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 221 PreInvPairs, 233 NumberOfFragments, 412 HoareAnnotationTreeSize, 221 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 703 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 20768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...