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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:19,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:19,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:19,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:19,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:19,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:19,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:19,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:19,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:19,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:19,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:19,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:19,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:19,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:19,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:19,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:19,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:19,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:19,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:19,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:19,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:19,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:19,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:19,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:19,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:19,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:19,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:19,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:19,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:19,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:19,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:19,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:19,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:19,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:19,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:19,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:19,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:19,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:19,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:19,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:19,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:19,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:19,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:19,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:19,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:19,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:19,946 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:19,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:19,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:19,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:19,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:19,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:19,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:19,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:19,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:19,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:19,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:19,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:19,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:19,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:19,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:19,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:19,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:19,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:19,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:19,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:19,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:19,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:19,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:19,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:20,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:20,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:20,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:20,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:20,244 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:20,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-07 15:20:20,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5d5699a/59ce2008b4e44ba7903fc245498b871d/FLAG8a84154ff [2019-10-07 15:20:20,909 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:20,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-07 15:20:20,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5d5699a/59ce2008b4e44ba7903fc245498b871d/FLAG8a84154ff [2019-10-07 15:20:21,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5d5699a/59ce2008b4e44ba7903fc245498b871d [2019-10-07 15:20:21,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:21,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:21,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:21,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:21,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:21,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21, skipping insertion in model container [2019-10-07 15:20:21,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:21,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:21,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:21,727 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:21,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:21,861 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:21,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21 WrapperNode [2019-10-07 15:20:21,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:21,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:21,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:21,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:21,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:21,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:21,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:21,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:21,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:23,502 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:23,502 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:23,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:23 BoogieIcfgContainer [2019-10-07 15:20:23,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:23,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:23,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:23,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:23,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:21" (1/3) ... [2019-10-07 15:20:23,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f4780c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:23, skipping insertion in model container [2019-10-07 15:20:23,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (2/3) ... [2019-10-07 15:20:23,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f4780c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:23, skipping insertion in model container [2019-10-07 15:20:23,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:23" (3/3) ... [2019-10-07 15:20:23,512 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2019-10-07 15:20:23,521 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:23,529 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:23,540 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:23,570 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:23,570 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:23,570 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:23,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:23,571 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:23,571 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:23,571 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:23,571 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-07 15:20:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:23,601 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:23,603 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:23,605 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:23,612 INFO L82 PathProgramCache]: Analyzing trace with hash -363226432, now seen corresponding path program 1 times [2019-10-07 15:20:23,624 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:23,624 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:23,625 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:23,625 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:23,941 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:23,942 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:23,943 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:23,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:23,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:23,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:23,963 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-07 15:20:24,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,005 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2019-10-07 15:20:24,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:24,007 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,018 INFO L225 Difference]: With dead ends: 160 [2019-10-07 15:20:24,018 INFO L226 Difference]: Without dead ends: 82 [2019-10-07 15:20:24,022 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:24,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-07 15:20:24,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-07 15:20:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 15:20:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-07 15:20:24,072 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 52 [2019-10-07 15:20:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,072 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-07 15:20:24,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-07 15:20:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:24,076 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,076 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,076 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1582227820, now seen corresponding path program 1 times [2019-10-07 15:20:24,077 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,078 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:24,226 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,227 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,227 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:24,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:24,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:24,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:24,232 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-07 15:20:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,268 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-07 15:20:24,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:24,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:24,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,271 INFO L225 Difference]: With dead ends: 114 [2019-10-07 15:20:24,271 INFO L226 Difference]: Without dead ends: 74 [2019-10-07 15:20:24,272 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-07 15:20:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-07 15:20:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 15:20:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-07 15:20:24,283 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 53 [2019-10-07 15:20:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,284 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-07 15:20:24,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-07 15:20:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:24,286 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,287 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,287 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash 792408721, now seen corresponding path program 1 times [2019-10-07 15:20:24,288 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,288 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:24,432 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,433 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,433 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:24,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:24,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:24,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:24,435 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-07 15:20:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,685 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2019-10-07 15:20:24,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:24,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:24,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,688 INFO L225 Difference]: With dead ends: 123 [2019-10-07 15:20:24,688 INFO L226 Difference]: Without dead ends: 74 [2019-10-07 15:20:24,689 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:24,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-07 15:20:24,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-07 15:20:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 15:20:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-10-07 15:20:24,699 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 56 [2019-10-07 15:20:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,702 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-10-07 15:20:24,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-10-07 15:20:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 15:20:24,708 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,708 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,708 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,709 INFO L82 PathProgramCache]: Analyzing trace with hash 273488100, now seen corresponding path program 1 times [2019-10-07 15:20:24,709 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,711 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:24,857 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,857 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,857 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:20:24,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:20:24,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:20:24,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:20:24,858 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 6 states. [2019-10-07 15:20:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:25,010 INFO L93 Difference]: Finished difference Result 118 states and 134 transitions. [2019-10-07 15:20:25,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:25,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-07 15:20:25,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:25,011 INFO L225 Difference]: With dead ends: 118 [2019-10-07 15:20:25,012 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:25,013 INFO L606 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 [2019-10-07 15:20:25,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:25,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-07 15:20:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:25,014 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:25,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:20:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:25,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:25,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:25,388 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:20:25,389 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:20:25,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:25,390 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:20:25,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:25,390 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:20:25,395 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:25,395 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:20:25,396 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2019-10-07 15:20:25,396 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2019-10-07 15:20:25,396 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2019-10-07 15:20:25,396 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2019-10-07 15:20:25,397 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: true [2019-10-07 15:20:25,397 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2019-10-07 15:20:25,397 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: true [2019-10-07 15:20:25,397 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2019-10-07 15:20:25,397 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-07 15:20:25,399 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,399 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 733) no Hoare annotation was computed. [2019-10-07 15:20:25,399 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 736) no Hoare annotation was computed. [2019-10-07 15:20:25,399 INFO L446 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: true [2019-10-07 15:20:25,399 INFO L443 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2019-10-07 15:20:25,400 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-10-07 15:20:25,400 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2019-10-07 15:20:25,400 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2019-10-07 15:20:25,400 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-10-07 15:20:25,400 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-07 15:20:25,402 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2019-10-07 15:20:25,402 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 872) no Hoare annotation was computed. [2019-10-07 15:20:25,402 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2019-10-07 15:20:25,402 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-07 15:20:25,402 INFO L439 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,402 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,403 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,403 INFO L439 ceAbstractionStarter]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,403 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2019-10-07 15:20:25,403 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:25,403 INFO L439 ceAbstractionStarter]: At program point L867-1(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:25,403 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2019-10-07 15:20:25,403 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-07 15:20:25,404 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-07 15:20:25,405 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point L603-1(line 603) no Hoare annotation was computed. [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2019-10-07 15:20:25,406 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2019-10-07 15:20:25,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,407 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2019-10-07 15:20:25,407 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2019-10-07 15:20:25,408 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2019-10-07 15:20:25,408 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,409 INFO L439 ceAbstractionStarter]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:20:25,409 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2019-10-07 15:20:25,409 INFO L443 ceAbstractionStarter]: For program point L630(lines 629 676) no Hoare annotation was computed. [2019-10-07 15:20:25,409 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:20:25,409 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 672) no Hoare annotation was computed. [2019-10-07 15:20:25,409 INFO L439 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:20:25,409 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 655) no Hoare annotation was computed. [2019-10-07 15:20:25,410 INFO L443 ceAbstractionStarter]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2019-10-07 15:20:25,410 INFO L439 ceAbstractionStarter]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:20:25,410 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:20:25,410 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2019-10-07 15:20:25,410 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-10-07 15:20:25,410 INFO L439 ceAbstractionStarter]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:25,410 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:20:25,411 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:20:25,412 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2019-10-07 15:20:25,413 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2019-10-07 15:20:25,413 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2019-10-07 15:20:25,414 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,414 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,414 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: true [2019-10-07 15:20:25,416 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2019-10-07 15:20:25,416 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2019-10-07 15:20:25,416 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2019-10-07 15:20:25,417 INFO L439 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,417 INFO L443 ceAbstractionStarter]: For program point L510(lines 506 528) no Hoare annotation was computed. [2019-10-07 15:20:25,417 INFO L443 ceAbstractionStarter]: For program point L508(lines 506 528) no Hoare annotation was computed. [2019-10-07 15:20:25,417 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: true [2019-10-07 15:20:25,417 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2019-10-07 15:20:25,417 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-07 15:20:25,417 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2019-10-07 15:20:25,419 INFO L446 ceAbstractionStarter]: At program point L517(lines 517 523) the Hoare annotation is: true [2019-10-07 15:20:25,420 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2019-10-07 15:20:25,420 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-10-07 15:20:25,420 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2019-10-07 15:20:25,420 INFO L446 ceAbstractionStarter]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2019-10-07 15:20:25,420 INFO L446 ceAbstractionStarter]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2019-10-07 15:20:25,420 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-07 15:20:25,421 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-07 15:20:25,421 INFO L446 ceAbstractionStarter]: At program point L808(lines 783 812) the Hoare annotation is: true [2019-10-07 15:20:25,421 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-07 15:20:25,421 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2019-10-07 15:20:25,421 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2019-10-07 15:20:25,422 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2019-10-07 15:20:25,422 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2019-10-07 15:20:25,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,422 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:25,422 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:25,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,422 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2019-10-07 15:20:25,423 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:20:25,423 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2019-10-07 15:20:25,423 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2019-10-07 15:20:25,423 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2019-10-07 15:20:25,423 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2019-10-07 15:20:25,423 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2019-10-07 15:20:25,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:25 BoogieIcfgContainer [2019-10-07 15:20:25,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:25,460 INFO L168 Benchmark]: Toolchain (without parser) took 4218.09 ms. Allocated memory was 137.9 MB in the beginning and 249.0 MB in the end (delta: 111.1 MB). Free memory was 101.2 MB in the beginning and 93.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,464 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:20:25,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.43 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,469 INFO L168 Benchmark]: Boogie Preprocessor took 84.35 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,470 INFO L168 Benchmark]: RCFGBuilder took 1556.48 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 165.0 MB in the beginning and 153.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,472 INFO L168 Benchmark]: TraceAbstraction took 1949.67 ms. Allocated memory was 233.8 MB in the beginning and 249.0 MB in the end (delta: 15.2 MB). Free memory was 153.2 MB in the beginning and 93.9 MB in the end (delta: 59.3 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,477 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 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.43 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.35 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1556.48 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 165.0 MB in the beginning and 153.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1949.67 ms. Allocated memory was 233.8 MB in the beginning and 249.0 MB in the end (delta: 15.2 MB). Free memory was 153.2 MB in the beginning and 93.9 MB in the end (delta: 59.3 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 162 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 332 SDtfs, 119 SDslu, 394 SDs, 0 SdLazy, 140 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 130 PreInvPairs, 138 NumberOfFragments, 268 HoareAnnotationTreeSize, 130 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 19476 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...