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_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:19:21,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:19:21,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:19:21,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:19:21,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:19:21,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:19:21,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:19:21,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:19:21,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:19:21,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:19:21,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:19:21,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:19:21,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:19:21,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:19:21,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:19:21,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:19:21,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:19:21,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:19:21,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:19:21,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:19:21,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:19:21,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:19:21,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:19:21,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:19:21,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:19:21,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:19:21,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:19:21,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:19:21,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:19:21,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:19:21,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:19:21,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:19:21,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:19:21,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:19:21,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:19:21,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:19:21,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:19:21,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:19:21,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:19:21,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:19:21,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:19:21,881 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 [2019-10-15 03:19:21,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:19:21,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:19:21,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:19:21,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:19:21,899 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:19:21,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:19:21,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:19:21,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:19:21,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:19:21,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:19:21,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:19:21,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:19:21,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:19:21,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:19:21,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:19:21,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:19:21,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:21,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:19:21,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:19:21,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:19:21,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:19:21,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:19:21,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:19:21,906 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 [2019-10-15 03:19:22,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:19:22,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:19:22,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:19:22,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:19:22,219 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:19:22,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2019-10-15 03:19:22,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ec1beda/9b5437eb423b4e37947951b17f74d1eb/FLAGa284d6d6f [2019-10-15 03:19:22,890 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:19:22,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2019-10-15 03:19:22,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ec1beda/9b5437eb423b4e37947951b17f74d1eb/FLAGa284d6d6f [2019-10-15 03:19:23,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ec1beda/9b5437eb423b4e37947951b17f74d1eb [2019-10-15 03:19:23,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:19:23,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:19:23,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:23,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:19:23,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:19:23,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2471a011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23, skipping insertion in model container [2019-10-15 03:19:23,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,163 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:19:23,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:19:23,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:23,694 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:19:23,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:23,805 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:19:23,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23 WrapperNode [2019-10-15 03:19:23,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:23,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:19:23,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:19:23,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:19:23,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (1/1) ... [2019-10-15 03:19:23,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:19:23,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:19:23,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:19:23,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:19:23,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (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 [2019-10-15 03:19:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:19:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:19:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:19:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:19:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:19:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:19:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:19:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:19:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:19:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:19:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:19:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:19:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:19:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:19:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:19:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:19:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:19:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:19:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:19:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:19:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:19:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:19:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:19:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:19:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:19:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:19:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:19:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:19:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:19:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:19:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:19:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:19:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:19:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:19:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:19:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:19:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:19:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:19:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:19:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:19:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:19:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:19:25,596 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:19:25,596 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:19:25,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:25 BoogieIcfgContainer [2019-10-15 03:19:25,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:19:25,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:19:25,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:19:25,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:19:25,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:19:23" (1/3) ... [2019-10-15 03:19:25,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@958e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:25, skipping insertion in model container [2019-10-15 03:19:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:23" (2/3) ... [2019-10-15 03:19:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@958e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:25, skipping insertion in model container [2019-10-15 03:19:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:25" (3/3) ... [2019-10-15 03:19:25,606 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2019-10-15 03:19:25,616 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:19:25,629 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:19:25,640 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:19:25,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:19:25,674 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:19:25,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:19:25,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:19:25,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:19:25,675 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:19:25,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:19:25,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:19:25,700 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-10-15 03:19:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:19:25,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:25,710 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] [2019-10-15 03:19:25,712 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:25,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:25,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1707075718, now seen corresponding path program 1 times [2019-10-15 03:19:25,726 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:25,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326713400] [2019-10-15 03:19:25,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:25,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:26,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326713400] [2019-10-15 03:19:26,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:26,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:19:26,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697491689] [2019-10-15 03:19:26,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:19:26,151 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:26,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:19:26,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:26,170 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-10-15 03:19:26,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:26,233 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2019-10-15 03:19:26,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:19:26,235 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 03:19:26,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:26,250 INFO L225 Difference]: With dead ends: 152 [2019-10-15 03:19:26,251 INFO L226 Difference]: Without dead ends: 78 [2019-10-15 03:19:26,258 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 [2019-10-15 03:19:26,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-15 03:19:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-15 03:19:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-15 03:19:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2019-10-15 03:19:26,342 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 46 [2019-10-15 03:19:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:26,343 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2019-10-15 03:19:26,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:19:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2019-10-15 03:19:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:19:26,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:26,350 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] [2019-10-15 03:19:26,350 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:26,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:26,352 INFO L82 PathProgramCache]: Analyzing trace with hash 416440541, now seen corresponding path program 1 times [2019-10-15 03:19:26,352 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:26,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254189694] [2019-10-15 03:19:26,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:26,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254189694] [2019-10-15 03:19:26,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:26,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:26,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881303136] [2019-10-15 03:19:26,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:26,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:26,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:26,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:26,531 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 3 states. [2019-10-15 03:19:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:26,556 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-15 03:19:26,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:26,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 03:19:26,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:26,558 INFO L225 Difference]: With dead ends: 106 [2019-10-15 03:19:26,558 INFO L226 Difference]: Without dead ends: 70 [2019-10-15 03:19:26,560 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 [2019-10-15 03:19:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-15 03:19:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-15 03:19:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-15 03:19:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2019-10-15 03:19:26,570 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 47 [2019-10-15 03:19:26,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:26,571 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2019-10-15 03:19:26,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2019-10-15 03:19:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:19:26,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:26,573 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] [2019-10-15 03:19:26,574 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:26,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:26,574 INFO L82 PathProgramCache]: Analyzing trace with hash 101822, now seen corresponding path program 1 times [2019-10-15 03:19:26,574 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:26,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327729619] [2019-10-15 03:19:26,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:26,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:26,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327729619] [2019-10-15 03:19:26,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:26,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:26,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560932124] [2019-10-15 03:19:26,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:26,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:26,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:26,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:26,818 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 7 states. [2019-10-15 03:19:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:27,090 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2019-10-15 03:19:27,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:19:27,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-15 03:19:27,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:27,093 INFO L225 Difference]: With dead ends: 115 [2019-10-15 03:19:27,093 INFO L226 Difference]: Without dead ends: 70 [2019-10-15 03:19:27,094 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:19:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-15 03:19:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-15 03:19:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-15 03:19:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2019-10-15 03:19:27,111 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 50 [2019-10-15 03:19:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:27,112 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2019-10-15 03:19:27,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-10-15 03:19:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:19:27,116 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:27,117 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] [2019-10-15 03:19:27,117 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:27,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1478397899, now seen corresponding path program 1 times [2019-10-15 03:19:27,118 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:27,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107828406] [2019-10-15 03:19:27,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:27,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:27,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:27,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107828406] [2019-10-15 03:19:27,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:27,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:19:27,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967299307] [2019-10-15 03:19:27,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:19:27,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:27,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:19:27,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:19:27,210 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 6 states. [2019-10-15 03:19:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:27,355 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2019-10-15 03:19:27,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:19:27,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-15 03:19:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:27,360 INFO L225 Difference]: With dead ends: 152 [2019-10-15 03:19:27,361 INFO L226 Difference]: Without dead ends: 107 [2019-10-15 03:19:27,361 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 [2019-10-15 03:19:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-15 03:19:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-10-15 03:19:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-15 03:19:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2019-10-15 03:19:27,397 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 53 [2019-10-15 03:19:27,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:27,397 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2019-10-15 03:19:27,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:19:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2019-10-15 03:19:27,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:19:27,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:27,399 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] [2019-10-15 03:19:27,399 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:27,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:27,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1045202900, now seen corresponding path program 1 times [2019-10-15 03:19:27,401 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:27,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399248533] [2019-10-15 03:19:27,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:27,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:27,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:27,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399248533] [2019-10-15 03:19:27,492 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:27,492 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:19:27,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935751812] [2019-10-15 03:19:27,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:19:27,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:27,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:19:27,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:19:27,495 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand 6 states. [2019-10-15 03:19:27,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:27,625 INFO L93 Difference]: Finished difference Result 173 states and 196 transitions. [2019-10-15 03:19:27,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:19:27,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-15 03:19:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:27,628 INFO L225 Difference]: With dead ends: 173 [2019-10-15 03:19:27,628 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:19:27,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:19:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:19:27,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:19:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:19:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:19:27,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-15 03:19:27,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:27,634 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:19:27,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:19:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:19:27,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:19:27,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:19:28,233 INFO L443 ceAbstractionStarter]: For program point L288(lines 288 292) no Hoare annotation was computed. [2019-10-15 03:19:28,233 INFO L443 ceAbstractionStarter]: For program point L282-2(lines 282 303) no Hoare annotation was computed. [2019-10-15 03:19:28,233 INFO L443 ceAbstractionStarter]: For program point L304(lines 281 305) no Hoare annotation was computed. [2019-10-15 03:19:28,233 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 257 312) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 257 312) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 313 372) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point L339-2(lines 339 364) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 313 372) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point L365(lines 338 366) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 313 372) no Hoare annotation was computed. [2019-10-15 03:19:28,234 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-15 03:19:28,235 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-10-15 03:19:28,235 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 03:19:28,235 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 03:19:28,235 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 03:19:28,235 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 03:19:28,236 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,236 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2019-10-15 03:19:28,236 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,236 INFO L439 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,236 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-10-15 03:19:28,236 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2019-10-15 03:19:28,237 INFO L443 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2019-10-15 03:19:28,237 INFO L439 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,237 INFO L439 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,237 INFO L439 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,237 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-10-15 03:19:28,237 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 604 627) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 604 627) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 604 627) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-15 03:19:28,238 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-15 03:19:28,239 INFO L443 ceAbstractionStarter]: For program point L610(line 610) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 03:19:28,240 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 03:19:28,241 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 211 256) no Hoare annotation was computed. [2019-10-15 03:19:28,241 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 211 256) no Hoare annotation was computed. [2019-10-15 03:19:28,241 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 524 569) no Hoare annotation was computed. [2019-10-15 03:19:28,241 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 524 569) no Hoare annotation was computed. [2019-10-15 03:19:28,241 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,241 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 636 646) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,241 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 636 646) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 636 646) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 724 734) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point L729(line 729) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 716 723) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2019-10-15 03:19:28,242 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 701 707) no Hoare annotation was computed. [2019-10-15 03:19:28,243 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 701 707) the Hoare annotation is: true [2019-10-15 03:19:28,243 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 789 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,243 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 789 854) no Hoare annotation was computed. [2019-10-15 03:19:28,243 INFO L439 ceAbstractionStarter]: At program point L847(lines 798 848) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:28,243 INFO L439 ceAbstractionStarter]: At program point L837-2(lines 829 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:19:28,243 INFO L443 ceAbstractionStarter]: For program point L800(lines 799 846) no Hoare annotation was computed. [2019-10-15 03:19:28,244 INFO L439 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:19:28,244 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 842) no Hoare annotation was computed. [2019-10-15 03:19:28,244 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:19:28,244 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 825) no Hoare annotation was computed. [2019-10-15 03:19:28,244 INFO L443 ceAbstractionStarter]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2019-10-15 03:19:28,244 INFO L439 ceAbstractionStarter]: At program point L844(lines 799 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:19:28,244 INFO L439 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 789 854) no Hoare annotation was computed. [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 478 523) no Hoare annotation was computed. [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 478 523) no Hoare annotation was computed. [2019-10-15 03:19:28,245 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:19:28,245 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-10-15 03:19:28,246 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 197) no Hoare annotation was computed. [2019-10-15 03:19:28,246 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:28,246 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-15 03:19:28,246 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 200) no Hoare annotation was computed. [2019-10-15 03:19:28,246 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 175 203) no Hoare annotation was computed. [2019-10-15 03:19:28,246 INFO L446 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2019-10-15 03:19:28,246 INFO L443 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2019-10-15 03:19:28,247 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 175 203) the Hoare annotation is: true [2019-10-15 03:19:28,247 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 175 203) no Hoare annotation was computed. [2019-10-15 03:19:28,247 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-15 03:19:28,247 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-15 03:19:28,247 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 167 174) the Hoare annotation is: true [2019-10-15 03:19:28,247 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2019-10-15 03:19:28,247 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 375 477) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 403) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L424-2(lines 424 444) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 375 477) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L445(lines 423 446) no Hoare annotation was computed. [2019-10-15 03:19:28,248 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 420) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 375 477) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point L425(lines 424 444) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 462) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:28,249 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 708 715) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 708 715) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:19:28,250 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2019-10-15 03:19:28,250 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-15 03:19:28,251 INFO L446 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: true [2019-10-15 03:19:28,251 INFO L446 ceAbstractionStarter]: At program point L688(lines 688 694) the Hoare annotation is: true [2019-10-15 03:19:28,251 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 677 700) the Hoare annotation is: true [2019-10-15 03:19:28,251 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:19:28,251 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 677 700) no Hoare annotation was computed. [2019-10-15 03:19:28,251 INFO L443 ceAbstractionStarter]: For program point L681(lines 680 699) no Hoare annotation was computed. [2019-10-15 03:19:28,251 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 677 700) no Hoare annotation was computed. [2019-10-15 03:19:28,252 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 573 602) no Hoare annotation was computed. [2019-10-15 03:19:28,252 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 573 602) the Hoare annotation is: true [2019-10-15 03:19:28,252 INFO L446 ceAbstractionStarter]: At program point L598(lines 573 602) the Hoare annotation is: true [2019-10-15 03:19:28,252 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-15 03:19:28,252 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-10-15 03:19:28,252 INFO L446 ceAbstractionStarter]: At program point L587-1(lines 587 591) the Hoare annotation is: true [2019-10-15 03:19:28,252 INFO L446 ceAbstractionStarter]: At program point L583-2(lines 583 597) the Hoare annotation is: true [2019-10-15 03:19:28,253 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-15 03:19:28,253 INFO L443 ceAbstractionStarter]: For program point L579-1(line 579) no Hoare annotation was computed. [2019-10-15 03:19:28,253 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-15 03:19:28,253 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-15 03:19:28,253 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 628 634) no Hoare annotation was computed. [2019-10-15 03:19:28,253 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 628 634) the Hoare annotation is: true [2019-10-15 03:19:28,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:28,254 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-15 03:19:28,254 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:19:28,254 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:19:28,254 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 780 787) no Hoare annotation was computed. [2019-10-15 03:19:28,254 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:19:28,254 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-15 03:19:28,254 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-15 03:19:28,255 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-15 03:19:28,255 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2019-10-15 03:19:28,255 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2019-10-15 03:19:28,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:19:28 BoogieIcfgContainer [2019-10-15 03:19:28,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:19:28,272 INFO L168 Benchmark]: Toolchain (without parser) took 5121.78 ms. Allocated memory was 138.9 MB in the beginning and 249.0 MB in the end (delta: 110.1 MB). Free memory was 102.9 MB in the beginning and 161.9 MB in the end (delta: -58.9 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,273 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.74 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 171.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,275 INFO L168 Benchmark]: Boogie Preprocessor took 92.16 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,276 INFO L168 Benchmark]: RCFGBuilder took 1698.68 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 156.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,277 INFO L168 Benchmark]: TraceAbstraction took 2669.89 ms. Allocated memory was 237.5 MB in the beginning and 249.0 MB in the end (delta: 11.5 MB). Free memory was 156.9 MB in the beginning and 161.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:28,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.74 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 171.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.16 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1698.68 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 156.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2669.89 ms. Allocated memory was 237.5 MB in the beginning and 249.0 MB in the end (delta: 11.5 MB). Free memory was 156.9 MB in the beginning and 161.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 798]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 158 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 392 SDtfs, 145 SDslu, 626 SDs, 0 SdLazy, 179 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 161 PreInvPairs, 175 NumberOfFragments, 376 HoareAnnotationTreeSize, 161 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 577 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 22402 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...