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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:22:27,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:22:27,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:22:27,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:22:27,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:22:27,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:22:27,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:22:27,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:22:27,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:22:27,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:22:27,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:22:27,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:22:27,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:22:27,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:22:27,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:22:27,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:22:27,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:22:27,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:22:27,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:22:27,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:22:27,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:22:27,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:22:27,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:22:27,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:22:27,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:22:27,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:22:27,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:22:27,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:22:27,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:22:27,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:22:27,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:22:27,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:22:27,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:22:27,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:22:27,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:22:27,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:22:27,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:22:27,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:22:27,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:22:27,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:22:27,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:22:27,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:22:27,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:22:27,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:22:27,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:22:27,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:22:27,724 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:22:27,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:22:27,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:22:27,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:22:27,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:22:27,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:22:27,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:22:27,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:22:27,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:22:27,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:22:27,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:22:27,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:22:27,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:22:27,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:22:27,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:22:27,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:22:27,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:22:27,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:27,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:22:27,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:22:27,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:22:27,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:22:27,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:22:27,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:22:27,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:22:28,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:22:28,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:22:28,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:22:28,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:22:28,043 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:22:28,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-15 03:22:28,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059e0444d/2fb3458e44394eb59bdf8d283be44c11/FLAG1941bcf9b [2019-10-15 03:22:28,634 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:22:28,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-15 03:22:28,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059e0444d/2fb3458e44394eb59bdf8d283be44c11/FLAG1941bcf9b [2019-10-15 03:22:28,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059e0444d/2fb3458e44394eb59bdf8d283be44c11 [2019-10-15 03:22:28,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:22:28,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:22:28,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:28,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:22:28,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:22:28,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:28" (1/1) ... [2019-10-15 03:22:29,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ddc826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29, skipping insertion in model container [2019-10-15 03:22:29,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:28" (1/1) ... [2019-10-15 03:22:29,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:22:29,053 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:22:29,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:29,542 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:22:29,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:29,695 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:22:29,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29 WrapperNode [2019-10-15 03:22:29,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:29,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:22:29,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:22:29,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:22:29,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... [2019-10-15 03:22:29,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:22:29,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:22:29,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:22:29,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:22:29,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:22:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:22:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:22:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:22:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:22:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:22:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:22:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:22:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:22:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:22:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:22:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-15 03:22:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:22:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:22:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:22:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:22:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:22:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:22:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:22:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:22:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:22:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:22:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:22:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:22:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:22:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:22:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:22:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-15 03:22:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:22:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:22:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:22:31,312 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:22:31,312 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:22:31,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:31 BoogieIcfgContainer [2019-10-15 03:22:31,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:22:31,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:22:31,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:22:31,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:22:31,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:22:28" (1/3) ... [2019-10-15 03:22:31,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1627062b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:31, skipping insertion in model container [2019-10-15 03:22:31,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:29" (2/3) ... [2019-10-15 03:22:31,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1627062b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:31, skipping insertion in model container [2019-10-15 03:22:31,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:31" (3/3) ... [2019-10-15 03:22:31,321 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2019-10-15 03:22:31,330 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:22:31,339 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:22:31,350 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:22:31,378 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:22:31,379 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:22:31,379 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:22:31,379 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:22:31,379 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:22:31,379 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:22:31,379 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:22:31,379 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:22:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-15 03:22:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:22:31,408 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:31,409 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] [2019-10-15 03:22:31,410 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:31,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:31,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1904986549, now seen corresponding path program 1 times [2019-10-15 03:22:31,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:31,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532355927] [2019-10-15 03:22:31,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:31,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:31,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:31,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532355927] [2019-10-15 03:22:31,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:31,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:22:31,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777772631] [2019-10-15 03:22:31,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:22:31,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:31,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:22:31,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:31,759 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-15 03:22:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:31,792 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-15 03:22:31,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:22:31,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:22:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:31,805 INFO L225 Difference]: With dead ends: 188 [2019-10-15 03:22:31,806 INFO L226 Difference]: Without dead ends: 96 [2019-10-15 03:22:31,810 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-15 03:22:31,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-15 03:22:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-15 03:22:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-15 03:22:31,860 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-10-15 03:22:31,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:31,861 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-15 03:22:31,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:22:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-15 03:22:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:22:31,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:31,865 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] [2019-10-15 03:22:31,865 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:31,866 INFO L82 PathProgramCache]: Analyzing trace with hash -120690570, now seen corresponding path program 1 times [2019-10-15 03:22:31,866 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:31,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551908690] [2019-10-15 03:22:31,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:31,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:31,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:32,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551908690] [2019-10-15 03:22:32,005 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:32,005 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:22:32,005 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215740747] [2019-10-15 03:22:32,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:22:32,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:32,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:22:32,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:32,009 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-15 03:22:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:32,063 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-10-15 03:22:32,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:22:32,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:22:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:32,066 INFO L225 Difference]: With dead ends: 146 [2019-10-15 03:22:32,066 INFO L226 Difference]: Without dead ends: 88 [2019-10-15 03:22:32,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:32,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-15 03:22:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-15 03:22:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-15 03:22:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-15 03:22:32,096 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-10-15 03:22:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:32,097 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-15 03:22:32,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:22:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-15 03:22:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:22:32,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:32,103 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] [2019-10-15 03:22:32,103 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:32,104 INFO L82 PathProgramCache]: Analyzing trace with hash 552226031, now seen corresponding path program 1 times [2019-10-15 03:22:32,104 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:32,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767411370] [2019-10-15 03:22:32,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:32,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:32,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:32,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767411370] [2019-10-15 03:22:32,335 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:32,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:32,336 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979656514] [2019-10-15 03:22:32,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:32,336 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:32,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:32,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:32,337 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-15 03:22:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:32,605 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-15 03:22:32,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:22:32,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-15 03:22:32,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:32,607 INFO L225 Difference]: With dead ends: 151 [2019-10-15 03:22:32,608 INFO L226 Difference]: Without dead ends: 88 [2019-10-15 03:22:32,609 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 [2019-10-15 03:22:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-15 03:22:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-15 03:22:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-15 03:22:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-15 03:22:32,619 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-10-15 03:22:32,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:32,621 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-15 03:22:32,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-15 03:22:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-15 03:22:32,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:32,623 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] [2019-10-15 03:22:32,624 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:32,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:32,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1642906382, now seen corresponding path program 1 times [2019-10-15 03:22:32,624 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:32,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128198397] [2019-10-15 03:22:32,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:32,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:32,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:22:32,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128198397] [2019-10-15 03:22:32,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:32,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:32,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814506514] [2019-10-15 03:22:32,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:32,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:32,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:32,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:32,762 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-10-15 03:22:33,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:33,090 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-15 03:22:33,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:22:33,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-10-15 03:22:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:33,091 INFO L225 Difference]: With dead ends: 133 [2019-10-15 03:22:33,092 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:22:33,097 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 [2019-10-15 03:22:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:22:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:22:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:22:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:22:33,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-15 03:22:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:33,099 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:22:33,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:22:33,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:22:33,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:22:33,543 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-15 03:22:33,543 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-15 03:22:33,543 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-15 03:22:33,543 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-15 03:22:33,543 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-15 03:22:33,544 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-15 03:22:33,545 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-15 03:22:33,545 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 03:22:33,545 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 03:22:33,545 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 03:22:33,545 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 03:22:33,545 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2019-10-15 03:22:33,545 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2019-10-15 03:22:33,546 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2019-10-15 03:22:33,546 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-15 03:22:33,546 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2019-10-15 03:22:33,546 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,546 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-15 03:22:33,546 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2019-10-15 03:22:33,547 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-10-15 03:22:33,547 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-15 03:22:33,547 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2019-10-15 03:22:33,547 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2019-10-15 03:22:33,547 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-15 03:22:33,547 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-15 03:22:33,547 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2019-10-15 03:22:33,548 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2019-10-15 03:22:33,548 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,548 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,548 INFO L439 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,548 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,548 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2019-10-15 03:22:33,549 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-15 03:22:33,549 INFO L439 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-15 03:22:33,549 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2019-10-15 03:22:33,549 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2019-10-15 03:22:33,549 INFO L443 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2019-10-15 03:22:33,549 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-10-15 03:22:33,549 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 623 646) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 623 646) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-10-15 03:22:33,550 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 623 646) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2019-10-15 03:22:33,551 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 755 762) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 755 762) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 808 843) no Hoare annotation was computed. [2019-10-15 03:22:33,552 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 808 843) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-15 03:22:33,553 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-15 03:22:33,554 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,554 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2019-10-15 03:22:33,554 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2019-10-15 03:22:33,554 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,554 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2019-10-15 03:22:33,554 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2019-10-15 03:22:33,554 INFO L446 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2019-10-15 03:22:33,555 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-10-15 03:22:33,555 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2019-10-15 03:22:33,555 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-10-15 03:22:33,555 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,555 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-15 03:22:33,555 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-10-15 03:22:33,555 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2019-10-15 03:22:33,556 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,556 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,556 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2019-10-15 03:22:33,556 INFO L439 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,556 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,556 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2019-10-15 03:22:33,556 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-15 03:22:33,557 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2019-10-15 03:22:33,557 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,557 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2019-10-15 03:22:33,557 INFO L439 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,557 INFO L439 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,557 INFO L443 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2019-10-15 03:22:33,557 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2019-10-15 03:22:33,558 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2019-10-15 03:22:33,558 INFO L439 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-15 03:22:33,558 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 548 570) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 548 570) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-15 03:22:33,559 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-15 03:22:33,560 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-15 03:22:33,561 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-15 03:22:33,561 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:22:33,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:33,561 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-15 03:22:33,561 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-10-15 03:22:33,561 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 763 779) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 763 779) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 763 779) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2019-10-15 03:22:33,562 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:33,563 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:22:33,563 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2019-10-15 03:22:33,563 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2019-10-15 03:22:33,563 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2019-10-15 03:22:33,563 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-15 03:22:33,563 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,563 INFO L443 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2019-10-15 03:22:33,564 INFO L443 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2019-10-15 03:22:33,564 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,564 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2019-10-15 03:22:33,564 INFO L439 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,564 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2019-10-15 03:22:33,564 INFO L439 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:22:33,564 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2019-10-15 03:22:33,565 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-10-15 03:22:33,565 INFO L446 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2019-10-15 03:22:33,565 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2019-10-15 03:22:33,565 INFO L446 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2019-10-15 03:22:33,565 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-10-15 03:22:33,565 INFO L443 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2019-10-15 03:22:33,565 INFO L446 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2019-10-15 03:22:33,565 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 03:22:33,566 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2019-10-15 03:22:33,566 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2019-10-15 03:22:33,566 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2019-10-15 03:22:33,566 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2019-10-15 03:22:33,566 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:33,566 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-15 03:22:33,566 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:22:33,566 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:22:33,567 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2019-10-15 03:22:33,567 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2019-10-15 03:22:33,567 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-15 03:22:33,567 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2019-10-15 03:22:33,567 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2019-10-15 03:22:33,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:22:33 BoogieIcfgContainer [2019-10-15 03:22:33,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:22:33,583 INFO L168 Benchmark]: Toolchain (without parser) took 4588.31 ms. Allocated memory was 143.7 MB in the beginning and 250.6 MB in the end (delta: 107.0 MB). Free memory was 99.8 MB in the beginning and 191.8 MB in the end (delta: -92.0 MB). Peak memory consumption was 125.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,584 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.66 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 165.8 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,586 INFO L168 Benchmark]: Boogie Preprocessor took 84.11 ms. Allocated memory is still 200.8 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,587 INFO L168 Benchmark]: RCFGBuilder took 1533.35 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 161.6 MB in the beginning and 147.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,588 INFO L168 Benchmark]: TraceAbstraction took 2265.95 ms. Allocated memory was 230.7 MB in the beginning and 250.6 MB in the end (delta: 19.9 MB). Free memory was 147.2 MB in the beginning and 191.8 MB in the end (delta: -44.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:33,593 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 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.66 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 165.8 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.11 ms. Allocated memory is still 200.8 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1533.35 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 161.6 MB in the beginning and 147.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2265.95 ms. Allocated memory was 230.7 MB in the beginning and 250.6 MB in the end (delta: 19.9 MB). Free memory was 147.2 MB in the beginning and 191.8 MB in the end (delta: -44.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, 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=136occurred 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, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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...