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_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:02,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:02,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:02,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:02,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:02,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:02,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:02,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:02,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:02,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:02,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:02,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:02,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:02,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:02,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:02,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:02,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:02,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:02,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:02,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:02,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:02,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:02,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:02,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:02,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:02,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:02,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:02,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:02,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:02,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:02,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:02,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:02,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:02,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:02,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:02,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:02,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:02,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:02,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:02,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:02,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:02,652 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 23:14:02,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:02,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:02,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:02,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:02,693 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:02,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:02,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:02,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:02,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:02,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:02,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:02,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:02,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:02,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:02,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:02,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:02,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:02,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:02,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:02,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:02,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:02,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:02,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:02,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:02,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:02,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:02,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:02,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:02,698 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 23:14:02,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:02,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:02,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:02,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:02,988 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:02,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-10-13 23:14:03,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f8e37ea/652206848c4c4042a768ea9274ffe3a7/FLAG53cb10b98 [2019-10-13 23:14:03,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:03,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-10-13 23:14:03,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f8e37ea/652206848c4c4042a768ea9274ffe3a7/FLAG53cb10b98 [2019-10-13 23:14:03,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f8e37ea/652206848c4c4042a768ea9274ffe3a7 [2019-10-13 23:14:03,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:03,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:03,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:03,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:03,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:03,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:03" (1/1) ... [2019-10-13 23:14:03,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7384ae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:03, skipping insertion in model container [2019-10-13 23:14:03,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:03" (1/1) ... [2019-10-13 23:14:03,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:03,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:04,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:04,473 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:04,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:04,597 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:04,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04 WrapperNode [2019-10-13 23:14:04,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:04,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:04,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:04,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:04,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (1/1) ... [2019-10-13 23:14:04,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:04,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:04,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:04,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:04,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (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 23:14:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:06,398 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:06,399 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:06 BoogieIcfgContainer [2019-10-13 23:14:06,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:06,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:06,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:06,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:06,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:03" (1/3) ... [2019-10-13 23:14:06,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603a0eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:06, skipping insertion in model container [2019-10-13 23:14:06,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:04" (2/3) ... [2019-10-13 23:14:06,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603a0eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:06, skipping insertion in model container [2019-10-13 23:14:06,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:06" (3/3) ... [2019-10-13 23:14:06,412 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2019-10-13 23:14:06,422 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:06,433 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:06,445 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:06,487 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:06,488 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:06,488 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:06,488 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:06,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:06,489 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:06,489 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:06,489 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-10-13 23:14:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:06,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:06,537 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:06,541 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:06,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1676503129, now seen corresponding path program 1 times [2019-10-13 23:14:06,559 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:06,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883503140] [2019-10-13 23:14:06,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:06,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:06,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:06,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883503140] [2019-10-13 23:14:06,947 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:06,948 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:06,949 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750862081] [2019-10-13 23:14:06,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:06,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:06,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:06,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:06,968 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-10-13 23:14:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:07,001 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2019-10-13 23:14:07,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:07,003 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:07,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:07,014 INFO L225 Difference]: With dead ends: 147 [2019-10-13 23:14:07,014 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:14:07,019 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 23:14:07,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:14:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:14:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:14:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2019-10-13 23:14:07,067 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2019-10-13 23:14:07,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:07,068 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2019-10-13 23:14:07,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2019-10-13 23:14:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:07,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:07,071 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:07,072 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:07,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:07,072 INFO L82 PathProgramCache]: Analyzing trace with hash -411863262, now seen corresponding path program 1 times [2019-10-13 23:14:07,072 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:07,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471036819] [2019-10-13 23:14:07,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:07,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471036819] [2019-10-13 23:14:07,225 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:07,225 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:07,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332503442] [2019-10-13 23:14:07,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:07,227 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:07,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:07,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:07,228 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 3 states. [2019-10-13 23:14:07,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:07,253 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2019-10-13 23:14:07,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:07,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:07,256 INFO L225 Difference]: With dead ends: 101 [2019-10-13 23:14:07,256 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:14:07,257 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 23:14:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:14:07,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:14:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:14:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-10-13 23:14:07,269 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2019-10-13 23:14:07,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:07,269 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-10-13 23:14:07,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-10-13 23:14:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:07,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:07,272 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:07,272 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:07,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:07,273 INFO L82 PathProgramCache]: Analyzing trace with hash 730933448, now seen corresponding path program 1 times [2019-10-13 23:14:07,273 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:07,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329456805] [2019-10-13 23:14:07,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:07,474 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329456805] [2019-10-13 23:14:07,474 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:07,474 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:07,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752925755] [2019-10-13 23:14:07,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:07,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:07,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:07,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:07,476 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 7 states. [2019-10-13 23:14:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:07,774 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-10-13 23:14:07,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:07,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:07,777 INFO L225 Difference]: With dead ends: 110 [2019-10-13 23:14:07,777 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:14:07,779 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:14:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:14:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:14:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2019-10-13 23:14:07,799 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2019-10-13 23:14:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:07,800 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2019-10-13 23:14:07,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-10-13 23:14:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:14:07,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:07,805 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:07,806 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:07,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2066249557, now seen corresponding path program 1 times [2019-10-13 23:14:07,806 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:07,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430039573] [2019-10-13 23:14:07,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:07,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:07,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430039573] [2019-10-13 23:14:07,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:07,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:07,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326180385] [2019-10-13 23:14:07,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:07,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:07,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:07,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:07,948 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 6 states. [2019-10-13 23:14:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:08,129 INFO L93 Difference]: Finished difference Result 147 states and 165 transitions. [2019-10-13 23:14:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:08,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-13 23:14:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:08,135 INFO L225 Difference]: With dead ends: 147 [2019-10-13 23:14:08,135 INFO L226 Difference]: Without dead ends: 103 [2019-10-13 23:14:08,136 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-13 23:14:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-10-13 23:14:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 23:14:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2019-10-13 23:14:08,155 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 49 [2019-10-13 23:14:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:08,155 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2019-10-13 23:14:08,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2019-10-13 23:14:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:14:08,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:08,162 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:08,163 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:08,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:08,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1677652812, now seen corresponding path program 1 times [2019-10-13 23:14:08,163 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:08,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725257697] [2019-10-13 23:14:08,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:08,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:08,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:08,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725257697] [2019-10-13 23:14:08,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:08,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:08,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392262262] [2019-10-13 23:14:08,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:08,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:08,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:08,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:08,283 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand 6 states. [2019-10-13 23:14:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:08,424 INFO L93 Difference]: Finished difference Result 169 states and 190 transitions. [2019-10-13 23:14:08,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:08,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-13 23:14:08,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:08,426 INFO L225 Difference]: With dead ends: 169 [2019-10-13 23:14:08,426 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:08,427 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:08,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-10-13 23:14:08,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:08,431 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:08,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:08,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:08,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:08,969 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-13 23:14:08,969 INFO L443 ceAbstractionStarter]: For program point L563-2(lines 563 584) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point L585(lines 562 586) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 538 593) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 538 593) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point L639-1(line 639) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 594 653) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 630) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 594 653) no Hoare annotation was computed. [2019-10-13 23:14:08,970 INFO L443 ceAbstractionStarter]: For program point L620-2(lines 620 645) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 594 653) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point L646(lines 619 647) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:08,971 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 23:14:08,972 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,972 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,972 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,972 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,972 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 23:14:08,973 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,973 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,973 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:08,973 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:08,973 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:14:08,973 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:14:08,974 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:14:08,975 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point L252-1(line 252) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 222 257) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 222 257) no Hoare annotation was computed. [2019-10-13 23:14:08,976 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2019-10-13 23:14:08,977 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2019-10-13 23:14:08,977 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 492 537) no Hoare annotation was computed. [2019-10-13 23:14:08,977 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 492 537) no Hoare annotation was computed. [2019-10-13 23:14:08,977 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 805 850) no Hoare annotation was computed. [2019-10-13 23:14:08,977 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 805 850) no Hoare annotation was computed. [2019-10-13 23:14:08,977 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,977 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 202 212) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 202 212) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2019-10-13 23:14:08,978 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2019-10-13 23:14:08,979 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2019-10-13 23:14:08,979 INFO L439 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:08,979 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,979 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-10-13 23:14:08,979 INFO L443 ceAbstractionStarter]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2019-10-13 23:14:08,979 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2019-10-13 23:14:08,980 INFO L439 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:08,980 INFO L439 ceAbstractionStarter]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:08,980 INFO L443 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2019-10-13 23:14:08,980 INFO L439 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:08,980 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2019-10-13 23:14:08,980 INFO L439 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:08,980 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-10-13 23:14:08,981 INFO L443 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2019-10-13 23:14:08,981 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2019-10-13 23:14:08,981 INFO L439 ceAbstractionStarter]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:08,981 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-13 23:14:08,981 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-13 23:14:08,981 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 444 466) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 444 466) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 362 371) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 362 371) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 656 758) no Hoare annotation was computed. [2019-10-13 23:14:08,982 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 743) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 656 758) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point L705-2(lines 705 725) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point L726(lines 704 727) no Hoare annotation was computed. [2019-10-13 23:14:08,983 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 656 758) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 701) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point L706(lines 705 725) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 186 193) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 186 193) no Hoare annotation was computed. [2019-10-13 23:14:08,984 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 467 475) no Hoare annotation was computed. [2019-10-13 23:14:08,985 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 467 475) no Hoare annotation was computed. [2019-10-13 23:14:08,985 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: true [2019-10-13 23:14:08,985 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2019-10-13 23:14:08,985 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:08,985 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:08,985 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:08,985 INFO L443 ceAbstractionStarter]: For program point L159(lines 158 177) no Hoare annotation was computed. [2019-10-13 23:14:08,986 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2019-10-13 23:14:08,986 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2019-10-13 23:14:08,986 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-13 23:14:08,986 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2019-10-13 23:14:08,986 INFO L446 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: true [2019-10-13 23:14:08,986 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:14:08,986 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:14:08,986 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:08,987 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:14:08,987 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:14:08,987 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:14:08,987 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:14:08,987 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:14:08,987 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:08,988 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2019-10-13 23:14:08,988 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2019-10-13 23:14:08,988 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2019-10-13 23:14:08,988 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2019-10-13 23:14:08,988 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:14:08,988 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:14:08,988 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:08,989 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:08,989 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:08,989 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:08,989 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2019-10-13 23:14:08,989 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-13 23:14:08,989 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2019-10-13 23:14:08,989 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2019-10-13 23:14:08,990 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-10-13 23:14:08,990 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2019-10-13 23:14:08,990 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2019-10-13 23:14:08,990 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:08,990 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2019-10-13 23:14:08,990 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-13 23:14:08,990 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:08,990 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-13 23:14:08,991 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2019-10-13 23:14:08,991 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-13 23:14:08,991 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2019-10-13 23:14:08,991 INFO L446 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2019-10-13 23:14:08,991 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-13 23:14:09,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:09 BoogieIcfgContainer [2019-10-13 23:14:09,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:09,008 INFO L168 Benchmark]: Toolchain (without parser) took 5088.64 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 100.7 MB in the beginning and 171.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:09,009 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 23:14:09,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.21 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 171.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:09,011 INFO L168 Benchmark]: Boogie Preprocessor took 102.31 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 167.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:09,012 INFO L168 Benchmark]: RCFGBuilder took 1699.92 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.2 MB in the beginning and 158.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:09,013 INFO L168 Benchmark]: TraceAbstraction took 2603.54 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 158.9 MB in the beginning and 171.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:09,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.21 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 171.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.31 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 167.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1699.92 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.2 MB in the beginning and 158.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2603.54 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 158.9 MB in the beginning and 171.5 MB in the end (delta: -12.6 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: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 154 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 369 SDtfs, 136 SDslu, 588 SDs, 0 SdLazy, 171 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 159 PreInvPairs, 173 NumberOfFragments, 355 HoareAnnotationTreeSize, 159 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 19393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...