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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:40,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:40,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:40,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:40,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:40,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:40,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:40,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:40,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:40,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:40,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:40,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:40,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:40,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:40,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:40,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:40,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:40,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:40,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:40,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:40,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:40,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:40,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:40,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:40,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:40,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:40,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:40,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:40,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:40,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:40,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:40,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:40,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:40,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:40,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:40,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:40,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:40,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:40,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:40,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:40,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:40,735 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 23:17:40,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:40,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:40,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:40,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:40,767 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:40,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:40,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:40,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:40,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:40,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:40,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:40,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:40,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:40,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:40,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:40,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:40,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:40,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:40,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:40,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:40,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:40,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:40,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:40,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:40,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:40,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:40,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:40,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:40,772 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 23:17:41,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:41,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:41,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:41,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:41,111 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:41,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product05.cil.c [2019-10-13 23:17:41,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31a11f0a/2516d76e00b244a784865bbb95c493db/FLAG764cd268e [2019-10-13 23:17:41,739 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:41,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product05.cil.c [2019-10-13 23:17:41,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31a11f0a/2516d76e00b244a784865bbb95c493db/FLAG764cd268e [2019-10-13 23:17:41,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31a11f0a/2516d76e00b244a784865bbb95c493db [2019-10-13 23:17:41,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:41,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:41,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:41,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:41,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:42,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:41" (1/1) ... [2019-10-13 23:17:42,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d606fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42, skipping insertion in model container [2019-10-13 23:17:42,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:41" (1/1) ... [2019-10-13 23:17:42,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:42,080 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:42,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:42,608 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:42,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:42,734 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:42,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42 WrapperNode [2019-10-13 23:17:42,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:42,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:42,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:42,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:42,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (1/1) ... [2019-10-13 23:17:42,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:42,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:42,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:42,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:42,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (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 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:44,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:44,525 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:44,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:44 BoogieIcfgContainer [2019-10-13 23:17:44,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:44,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:44,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:44,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:44,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:41" (1/3) ... [2019-10-13 23:17:44,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@946c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:44, skipping insertion in model container [2019-10-13 23:17:44,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:42" (2/3) ... [2019-10-13 23:17:44,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@946c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:44, skipping insertion in model container [2019-10-13 23:17:44,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:44" (3/3) ... [2019-10-13 23:17:44,536 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2019-10-13 23:17:44,548 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:44,557 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:44,569 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:44,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:44,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:44,597 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:44,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:44,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:44,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:44,598 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:44,598 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-10-13 23:17:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:44,630 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:44,631 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 23:17:44,633 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:44,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash -230953720, now seen corresponding path program 1 times [2019-10-13 23:17:44,651 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:44,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124765290] [2019-10-13 23:17:44,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:44,652 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:44,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:45,060 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 23:17:45,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124765290] [2019-10-13 23:17:45,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:45,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:45,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157338792] [2019-10-13 23:17:45,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:45,070 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:45,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:45,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:45,086 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-10-13 23:17:45,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:45,121 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-13 23:17:45,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:45,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:45,135 INFO L225 Difference]: With dead ends: 188 [2019-10-13 23:17:45,135 INFO L226 Difference]: Without dead ends: 96 [2019-10-13 23:17:45,140 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 23:17:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-13 23:17:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-13 23:17:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-13 23:17:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-13 23:17:45,243 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-10-13 23:17:45,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:45,244 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-13 23:17:45,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-13 23:17:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:45,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:45,251 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 23:17:45,252 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:45,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:45,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1618689915, now seen corresponding path program 1 times [2019-10-13 23:17:45,253 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:45,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530649331] [2019-10-13 23:17:45,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:45,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:45,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:45,404 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 23:17:45,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530649331] [2019-10-13 23:17:45,405 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:45,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:45,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402550196] [2019-10-13 23:17:45,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:45,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:45,409 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-13 23:17:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:45,447 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-10-13 23:17:45,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:45,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:45,452 INFO L225 Difference]: With dead ends: 146 [2019-10-13 23:17:45,452 INFO L226 Difference]: Without dead ends: 88 [2019-10-13 23:17:45,454 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 23:17:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-13 23:17:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-13 23:17:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-13 23:17:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-13 23:17:45,483 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-10-13 23:17:45,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:45,483 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-13 23:17:45,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-13 23:17:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:17:45,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:45,492 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] [2019-10-13 23:17:45,494 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:45,494 INFO L82 PathProgramCache]: Analyzing trace with hash 394651942, now seen corresponding path program 1 times [2019-10-13 23:17:45,495 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:45,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220568156] [2019-10-13 23:17:45,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:45,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:45,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:45,750 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 23:17:45,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220568156] [2019-10-13 23:17:45,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:45,753 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:45,753 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238786764] [2019-10-13 23:17:45,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:45,754 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:45,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:45,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:45,754 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-13 23:17:46,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:46,048 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-13 23:17:46,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:46,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:17:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:46,052 INFO L225 Difference]: With dead ends: 151 [2019-10-13 23:17:46,053 INFO L226 Difference]: Without dead ends: 88 [2019-10-13 23:17:46,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-13 23:17:46,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-13 23:17:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-13 23:17:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-13 23:17:46,077 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-10-13 23:17:46,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:46,083 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-13 23:17:46,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-13 23:17:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 23:17:46,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:46,089 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, 1, 1] [2019-10-13 23:17:46,089 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:46,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:46,089 INFO L82 PathProgramCache]: Analyzing trace with hash 859910585, now seen corresponding path program 1 times [2019-10-13 23:17:46,090 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:46,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131757713] [2019-10-13 23:17:46,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:46,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:46,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:46,242 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 23:17:46,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131757713] [2019-10-13 23:17:46,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:46,242 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:46,243 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737230295] [2019-10-13 23:17:46,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:46,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:46,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:46,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:46,244 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-10-13 23:17:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:46,604 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-13 23:17:46,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:46,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-10-13 23:17:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:46,606 INFO L225 Difference]: With dead ends: 133 [2019-10-13 23:17:46,606 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:46,607 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 23:17:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:46,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-13 23:17:46,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:46,609 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:46,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:46,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:46,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:47,341 INFO L443 ceAbstractionStarter]: For program point L380-2(lines 380 401) no Hoare annotation was computed. [2019-10-13 23:17:47,341 INFO L443 ceAbstractionStarter]: For program point L402(lines 379 403) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 355 410) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 355 410) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 411 470) no Hoare annotation was computed. [2019-10-13 23:17:47,342 INFO L443 ceAbstractionStarter]: For program point L437-2(lines 437 462) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L443 ceAbstractionStarter]: For program point L463(lines 436 464) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 411 470) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 411 470) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L443 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2019-10-13 23:17:47,343 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2019-10-13 23:17:47,344 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2019-10-13 23:17:47,344 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2019-10-13 23:17:47,344 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2019-10-13 23:17:47,344 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 23:17:47,344 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 23:17:47,344 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 23:17:47,344 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 23:17:47,344 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 23:17:47,345 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 23:17:47,345 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,345 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 23:17:47,345 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:17:47,345 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 23:17:47,345 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 23:17:47,346 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 23:17:47,346 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 23:17:47,346 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 23:17:47,346 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 23:17:47,346 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 23:17:47,346 INFO L439 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:47,346 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 754 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,347 INFO L439 ceAbstractionStarter]: At program point L766-1(line 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:47,347 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 771) no Hoare annotation was computed. [2019-10-13 23:17:47,347 INFO L443 ceAbstractionStarter]: For program point L764-1(lines 764 771) no Hoare annotation was computed. [2019-10-13 23:17:47,347 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 23:17:47,347 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,347 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 754 776) no Hoare annotation was computed. [2019-10-13 23:17:47,347 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,348 INFO L439 ceAbstractionStarter]: At program point L760-1(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 23:17:47,348 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-10-13 23:17:47,349 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 189 197) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 189 197) the Hoare annotation is: true [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 198 233) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2019-10-13 23:17:47,350 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 198 233) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2019-10-13 23:17:47,351 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 309 354) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 309 354) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 622 667) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 622 667) no Hoare annotation was computed. [2019-10-13 23:17:47,351 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 740 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,352 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 740 750) no Hoare annotation was computed. [2019-10-13 23:17:47,352 INFO L439 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,352 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 740 750) no Hoare annotation was computed. [2019-10-13 23:17:47,352 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 178 188) the Hoare annotation is: true [2019-10-13 23:17:47,352 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 178 188) no Hoare annotation was computed. [2019-10-13 23:17:47,352 INFO L446 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: true [2019-10-13 23:17:47,352 INFO L443 ceAbstractionStarter]: For program point L183-1(line 183) no Hoare annotation was computed. [2019-10-13 23:17:47,352 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 170 177) the Hoare annotation is: true [2019-10-13 23:17:47,353 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 170 177) no Hoare annotation was computed. [2019-10-13 23:17:47,353 INFO L439 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,353 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2019-10-13 23:17:47,353 INFO L439 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,353 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 137 161) no Hoare annotation was computed. [2019-10-13 23:17:47,353 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 137 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,353 INFO L439 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point L145(lines 145 153) no Hoare annotation was computed. [2019-10-13 23:17:47,354 INFO L439 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point L143-1(line 143) no Hoare annotation was computed. [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 158) no Hoare annotation was computed. [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2019-10-13 23:17:47,354 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point L258-1(lines 258 264) no Hoare annotation was computed. [2019-10-13 23:17:47,354 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 238 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,354 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 238 301) no Hoare annotation was computed. [2019-10-13 23:17:47,355 INFO L439 ceAbstractionStarter]: At program point L294(lines 247 295) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,355 INFO L439 ceAbstractionStarter]: At program point L284-2(lines 278 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,355 INFO L443 ceAbstractionStarter]: For program point L249(lines 248 293) no Hoare annotation was computed. [2019-10-13 23:17:47,355 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,355 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-10-13 23:17:47,355 INFO L443 ceAbstractionStarter]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2019-10-13 23:17:47,355 INFO L439 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,356 INFO L439 ceAbstractionStarter]: At program point L291(lines 248 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 238 301) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 576 621) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 576 621) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point L543(lines 521 544) no Hoare annotation was computed. [2019-10-13 23:17:47,356 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 473 575) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 518) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 542) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L519(lines 519 560) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 473 575) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 23:17:47,357 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 473 575) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point L522-2(lines 522 542) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 859 868) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 859 868) no Hoare annotation was computed. [2019-10-13 23:17:47,358 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:47,358 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 162 169) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 162 169) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:47,359 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:47,360 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2019-10-13 23:17:47,360 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2019-10-13 23:17:47,360 INFO L439 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,360 INFO L439 ceAbstractionStarter]: At program point L116(lines 116 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,360 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,360 INFO L439 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:47,360 INFO L443 ceAbstractionStarter]: For program point L109(lines 105 127) no Hoare annotation was computed. [2019-10-13 23:17:47,361 INFO L443 ceAbstractionStarter]: For program point L107(lines 105 127) no Hoare annotation was computed. [2019-10-13 23:17:47,361 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2019-10-13 23:17:47,361 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2019-10-13 23:17:47,361 INFO L446 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2019-10-13 23:17:47,361 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2019-10-13 23:17:47,361 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2019-10-13 23:17:47,361 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-13 23:17:47,362 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-13 23:17:47,362 INFO L446 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2019-10-13 23:17:47,362 INFO L446 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2019-10-13 23:17:47,362 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-13 23:17:47,362 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-13 23:17:47,362 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: true [2019-10-13 23:17:47,362 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2019-10-13 23:17:47,362 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2019-10-13 23:17:47,363 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2019-10-13 23:17:47,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:47,363 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:47,363 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:47,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:47,363 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2019-10-13 23:17:47,363 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: true [2019-10-13 23:17:47,364 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 669 676) the Hoare annotation is: true [2019-10-13 23:17:47,364 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 669 676) no Hoare annotation was computed. [2019-10-13 23:17:47,364 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 673) no Hoare annotation was computed. [2019-10-13 23:17:47,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:47 BoogieIcfgContainer [2019-10-13 23:17:47,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:47,380 INFO L168 Benchmark]: Toolchain (without parser) took 5388.28 ms. Allocated memory was 138.4 MB in the beginning and 248.5 MB in the end (delta: 110.1 MB). Free memory was 103.0 MB in the beginning and 184.2 MB in the end (delta: -81.2 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,381 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.60 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 170.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,383 INFO L168 Benchmark]: Boogie Preprocessor took 102.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,385 INFO L168 Benchmark]: RCFGBuilder took 1688.58 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 153.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,386 INFO L168 Benchmark]: TraceAbstraction took 2849.09 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 153.1 MB in the beginning and 184.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:47,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.60 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 170.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1688.58 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 153.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2849.09 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 153.1 MB in the beginning and 184.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 673]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 168 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 363 SDtfs, 149 SDslu, 367 SDs, 0 SdLazy, 253 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20387 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...