java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:52,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:52,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:52,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:52,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:52,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:52,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:52,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:52,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:52,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:52,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:52,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:52,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:52,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:52,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:52,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:52,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:52,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:52,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:52,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:52,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:52,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:52,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:52,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:52,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:52,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:52,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:52,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:52,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:52,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:52,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:52,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:52,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:52,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:52,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:52,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:52,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:52,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:52,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:52,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:52,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:52,933 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 23:17:52,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:52,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:52,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:52,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:52,957 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:52,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:52,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:52,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:52,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:52,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:52,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:52,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:52,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:52,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:52,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:52,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:52,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:52,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:52,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:52,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:52,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:52,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:52,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:52,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:52,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:52,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:52,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:52,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:52,964 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 23:17:53,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:53,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:53,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:53,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:53,259 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:53,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-10-13 23:17:53,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d875ee8/ad3c9bb28cbe41bd8b69d8daa1bce9cb/FLAG787cd36c5 [2019-10-13 23:17:53,824 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:53,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-10-13 23:17:53,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d875ee8/ad3c9bb28cbe41bd8b69d8daa1bce9cb/FLAG787cd36c5 [2019-10-13 23:17:54,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d875ee8/ad3c9bb28cbe41bd8b69d8daa1bce9cb [2019-10-13 23:17:54,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:54,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:54,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:54,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:54,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:54,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d3d42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54, skipping insertion in model container [2019-10-13 23:17:54,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:54,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:54,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:54,588 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:54,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:54,738 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:54,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54 WrapperNode [2019-10-13 23:17:54,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:54,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:54,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:54,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:54,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:54,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:54,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:54,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:54,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (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 23:17:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:17:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:17:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:17:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:17:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:17:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:56,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:56,544 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:56,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:56 BoogieIcfgContainer [2019-10-13 23:17:56,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:56,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:56,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:56,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:56,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:54" (1/3) ... [2019-10-13 23:17:56,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a69f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:56, skipping insertion in model container [2019-10-13 23:17:56,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54" (2/3) ... [2019-10-13 23:17:56,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a69f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:56, skipping insertion in model container [2019-10-13 23:17:56,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:56" (3/3) ... [2019-10-13 23:17:56,557 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2019-10-13 23:17:56,567 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:56,577 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:56,588 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:56,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:56,611 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:56,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:56,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:56,611 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:56,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:56,612 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:56,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-10-13 23:17:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:56,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:56,638 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:56,640 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:56,644 INFO L82 PathProgramCache]: Analyzing trace with hash -198591260, now seen corresponding path program 1 times [2019-10-13 23:17:56,652 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:56,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824462969] [2019-10-13 23:17:56,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:56,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:56,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:56,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824462969] [2019-10-13 23:17:56,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:56,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:56,986 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357345116] [2019-10-13 23:17:56,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:56,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:57,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:57,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:57,008 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-10-13 23:17:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:57,045 INFO L93 Difference]: Finished difference Result 208 states and 255 transitions. [2019-10-13 23:17:57,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:57,047 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:57,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:57,060 INFO L225 Difference]: With dead ends: 208 [2019-10-13 23:17:57,060 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 23:17:57,065 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 23:17:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 23:17:57,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 23:17:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 23:17:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2019-10-13 23:17:57,154 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2019-10-13 23:17:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:57,155 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2019-10-13 23:17:57,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2019-10-13 23:17:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:57,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:57,161 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:57,161 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:57,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:57,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1982757437, now seen corresponding path program 1 times [2019-10-13 23:17:57,162 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:57,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246095255] [2019-10-13 23:17:57,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:57,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246095255] [2019-10-13 23:17:57,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:57,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:57,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967777065] [2019-10-13 23:17:57,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:57,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:57,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:57,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:57,282 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2019-10-13 23:17:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:57,316 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2019-10-13 23:17:57,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:57,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:57,322 INFO L225 Difference]: With dead ends: 156 [2019-10-13 23:17:57,322 INFO L226 Difference]: Without dead ends: 98 [2019-10-13 23:17:57,324 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 23:17:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-13 23:17:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-13 23:17:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-13 23:17:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2019-10-13 23:17:57,350 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 53 [2019-10-13 23:17:57,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:57,350 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2019-10-13 23:17:57,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2019-10-13 23:17:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:17:57,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:57,359 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:57,359 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:57,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1594759156, now seen corresponding path program 1 times [2019-10-13 23:17:57,360 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:57,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810953478] [2019-10-13 23:17:57,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:57,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810953478] [2019-10-13 23:17:57,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:57,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:57,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156514385] [2019-10-13 23:17:57,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:57,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:57,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:57,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:57,560 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 7 states. [2019-10-13 23:17:57,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:57,945 INFO L93 Difference]: Finished difference Result 294 states and 353 transitions. [2019-10-13 23:17:57,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:17:57,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:17:57,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:57,949 INFO L225 Difference]: With dead ends: 294 [2019-10-13 23:17:57,949 INFO L226 Difference]: Without dead ends: 221 [2019-10-13 23:17:57,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-13 23:17:57,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2019-10-13 23:17:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-13 23:17:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2019-10-13 23:17:57,979 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 57 [2019-10-13 23:17:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:57,979 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2019-10-13 23:17:57,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2019-10-13 23:17:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:17:57,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:57,981 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:57,981 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:57,982 INFO L82 PathProgramCache]: Analyzing trace with hash 956524849, now seen corresponding path program 1 times [2019-10-13 23:17:57,982 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:57,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089714378] [2019-10-13 23:17:57,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:58,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089714378] [2019-10-13 23:17:58,145 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:58,145 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:58,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314028601] [2019-10-13 23:17:58,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:58,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:58,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:58,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:58,147 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand 7 states. [2019-10-13 23:17:58,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:58,496 INFO L93 Difference]: Finished difference Result 353 states and 439 transitions. [2019-10-13 23:17:58,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:58,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:17:58,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:58,501 INFO L225 Difference]: With dead ends: 353 [2019-10-13 23:17:58,501 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:58,508 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 23:17:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:58,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:58,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:17:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:58,510 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:58,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:58,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:58,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:59,258 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 23:17:59,258 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 23:17:59,258 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 23:17:59,258 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 23:17:59,258 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:17:59,259 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 23:17:59,260 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 574 580) the Hoare annotation is: true [2019-10-13 23:17:59,260 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 574 580) no Hoare annotation was computed. [2019-10-13 23:17:59,260 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 581 589) no Hoare annotation was computed. [2019-10-13 23:17:59,260 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 581 589) the Hoare annotation is: true [2019-10-13 23:17:59,260 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 505 512) the Hoare annotation is: true [2019-10-13 23:17:59,260 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 505 512) no Hoare annotation was computed. [2019-10-13 23:17:59,261 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 513 522) the Hoare annotation is: true [2019-10-13 23:17:59,261 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 513 522) no Hoare annotation was computed. [2019-10-13 23:17:59,261 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 23:17:59,261 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:59,261 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-10-13 23:17:59,261 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 545) no Hoare annotation was computed. [2019-10-13 23:17:59,261 INFO L446 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: true [2019-10-13 23:17:59,262 INFO L443 ceAbstractionStarter]: For program point L533-1(line 533) no Hoare annotation was computed. [2019-10-13 23:17:59,262 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 548) no Hoare annotation was computed. [2019-10-13 23:17:59,262 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 523 551) no Hoare annotation was computed. [2019-10-13 23:17:59,262 INFO L446 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: true [2019-10-13 23:17:59,262 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 523 551) the Hoare annotation is: true [2019-10-13 23:17:59,262 INFO L443 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2019-10-13 23:17:59,262 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 523 551) no Hoare annotation was computed. [2019-10-13 23:17:59,262 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 676 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,263 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 676 698) no Hoare annotation was computed. [2019-10-13 23:17:59,263 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:59,263 INFO L439 ceAbstractionStarter]: At program point L688-1(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:59,263 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 693) no Hoare annotation was computed. [2019-10-13 23:17:59,263 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 693) no Hoare annotation was computed. [2019-10-13 23:17:59,263 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-10-13 23:17:59,264 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,264 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,264 INFO L439 ceAbstractionStarter]: At program point L682-1(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,264 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-10-13 23:17:59,264 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-13 23:17:59,264 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 633 656) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 633 656) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 633 656) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L649(line 649) no Hoare annotation was computed. [2019-10-13 23:17:59,265 INFO L443 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point L642(line 642) no Hoare annotation was computed. [2019-10-13 23:17:59,266 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 927 941) no Hoare annotation was computed. [2019-10-13 23:17:59,267 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 927 941) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-13 23:17:59,267 INFO L439 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:59,267 INFO L443 ceAbstractionStarter]: For program point L931(lines 931 937) no Hoare annotation was computed. [2019-10-13 23:17:59,267 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 863 871) no Hoare annotation was computed. [2019-10-13 23:17:59,267 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 863 871) the Hoare annotation is: true [2019-10-13 23:17:59,267 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 908 926) the Hoare annotation is: true [2019-10-13 23:17:59,267 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 908 926) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L446 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 872 907) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 872 907) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 567 573) no Hoare annotation was computed. [2019-10-13 23:17:59,268 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 567 573) the Hoare annotation is: true [2019-10-13 23:17:59,269 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 23:17:59,269 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 23:17:59,269 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 23:17:59,269 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 23:17:59,269 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 665 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,269 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,269 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 665 675) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 665 675) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 852 862) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 852 862) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 844 851) the Hoare annotation is: true [2019-10-13 23:17:59,270 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 844 851) no Hoare annotation was computed. [2019-10-13 23:17:59,270 INFO L439 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,271 INFO L443 ceAbstractionStarter]: For program point L830-1(lines 811 835) no Hoare annotation was computed. [2019-10-13 23:17:59,271 INFO L439 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:59,271 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 811 835) no Hoare annotation was computed. [2019-10-13 23:17:59,271 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:59,271 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 811 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,271 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 827) no Hoare annotation was computed. [2019-10-13 23:17:59,271 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:59,271 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-13 23:17:59,272 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 832) no Hoare annotation was computed. [2019-10-13 23:17:59,272 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 803 809) no Hoare annotation was computed. [2019-10-13 23:17:59,272 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 803 809) the Hoare annotation is: true [2019-10-13 23:17:59,272 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 702 769) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,272 INFO L439 ceAbstractionStarter]: At program point L762(lines 711 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,272 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 702 769) no Hoare annotation was computed. [2019-10-13 23:17:59,272 INFO L439 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,273 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-10-13 23:17:59,273 INFO L439 ceAbstractionStarter]: At program point L750-1(lines 742 757) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,273 INFO L443 ceAbstractionStarter]: For program point L713(lines 712 761) no Hoare annotation was computed. [2019-10-13 23:17:59,273 INFO L439 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,273 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 757) no Hoare annotation was computed. [2019-10-13 23:17:59,273 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,273 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L439 ceAbstractionStarter]: At program point L759(lines 712 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,274 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 702 769) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 23:17:59,274 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 23:17:59,277 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-10-13 23:17:59,277 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 23:17:59,278 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 23:17:59,279 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 557 566) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 557 566) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 836 843) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 836 843) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,280 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,281 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2019-10-13 23:17:59,281 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-13 23:17:59,281 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2019-10-13 23:17:59,281 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-13 23:17:59,281 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:17:59,281 INFO L439 ceAbstractionStarter]: At program point L790(lines 790 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,281 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:59,281 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 776 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point L783(lines 779 801) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point L781(lines 779 801) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 776 802) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 776 802) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 602 631) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L443 ceAbstractionStarter]: For program point L608-1(line 608) no Hoare annotation was computed. [2019-10-13 23:17:59,282 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 602 631) the Hoare annotation is: true [2019-10-13 23:17:59,283 INFO L446 ceAbstractionStarter]: At program point L627(lines 602 631) the Hoare annotation is: true [2019-10-13 23:17:59,283 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-13 23:17:59,283 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2019-10-13 23:17:59,283 INFO L446 ceAbstractionStarter]: At program point L616-1(lines 616 620) the Hoare annotation is: true [2019-10-13 23:17:59,283 INFO L446 ceAbstractionStarter]: At program point L612-2(lines 612 626) the Hoare annotation is: true [2019-10-13 23:17:59,283 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-10-13 23:17:59,283 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-13 23:17:59,283 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 657 663) no Hoare annotation was computed. [2019-10-13 23:17:59,283 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 657 663) the Hoare annotation is: true [2019-10-13 23:17:59,284 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,284 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,284 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:59,284 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,284 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 942 949) no Hoare annotation was computed. [2019-10-13 23:17:59,284 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 942 949) the Hoare annotation is: true [2019-10-13 23:17:59,284 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-13 23:17:59,284 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2019-10-13 23:17:59,285 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2019-10-13 23:17:59,285 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2019-10-13 23:17:59,285 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-10-13 23:17:59,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:59 BoogieIcfgContainer [2019-10-13 23:17:59,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:59,314 INFO L168 Benchmark]: Toolchain (without parser) took 5187.76 ms. Allocated memory was 138.9 MB in the beginning and 246.9 MB in the end (delta: 108.0 MB). Free memory was 102.0 MB in the beginning and 109.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,315 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.62 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 173.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,316 INFO L168 Benchmark]: Boogie Preprocessor took 80.89 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,318 INFO L168 Benchmark]: RCFGBuilder took 1726.26 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 151.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,320 INFO L168 Benchmark]: TraceAbstraction took 2762.51 ms. Allocated memory was 236.5 MB in the beginning and 246.9 MB in the end (delta: 10.5 MB). Free memory was 149.8 MB in the beginning and 109.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.62 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 173.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.89 ms. Allocated memory is still 203.9 MB. Free memory was 173.7 MB in the beginning and 169.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1726.26 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 151.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2762.51 ms. Allocated memory was 236.5 MB in the beginning and 246.9 MB in the end (delta: 10.5 MB). Free memory was 149.8 MB in the beginning and 109.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 184 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 463 SDtfs, 252 SDslu, 690 SDs, 0 SdLazy, 368 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...