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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:22,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:22,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:22,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:22,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:22,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:22,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:22,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:22,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:22,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:22,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:22,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:22,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:22,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:22,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:22,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:22,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:22,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:22,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:22,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:22,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:22,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:22,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:22,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:22,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:22,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:22,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:22,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:22,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:22,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:22,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:22,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:22,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:22,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:22,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:22,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:22,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:22,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:22,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:22,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:22,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:22,638 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 23:14:22,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:22,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:22,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:22,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:22,663 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:22,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:22,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:22,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:22,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:22,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:22,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:22,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:22,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:22,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:22,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:22,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:22,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:22,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:22,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:22,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:22,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:22,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:22,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:22,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:22,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:22,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:22,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:22,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:22,669 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 23:14:22,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:22,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:22,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:22,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:22,983 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:22,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-10-13 23:14:23,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ed54e/6b74c671ab2d445a9a9ad542e660a510/FLAG22ee677a4 [2019-10-13 23:14:23,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:23,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-10-13 23:14:23,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ed54e/6b74c671ab2d445a9a9ad542e660a510/FLAG22ee677a4 [2019-10-13 23:14:23,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ed54e/6b74c671ab2d445a9a9ad542e660a510 [2019-10-13 23:14:23,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:23,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:23,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:23,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:23,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:23,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:23" (1/1) ... [2019-10-13 23:14:23,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af291a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:23, skipping insertion in model container [2019-10-13 23:14:23,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:23" (1/1) ... [2019-10-13 23:14:23,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:24,010 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:24,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:24,469 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:24,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:24,614 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:24,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24 WrapperNode [2019-10-13 23:14:24,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:24,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:24,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:24,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:24,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (1/1) ... [2019-10-13 23:14:24,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:24,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:24,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:24,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:24,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (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 23:14:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:14:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:14:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:26,447 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:26,448 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:26,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:26 BoogieIcfgContainer [2019-10-13 23:14:26,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:26,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:26,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:26,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:26,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:23" (1/3) ... [2019-10-13 23:14:26,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217d596d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:26, skipping insertion in model container [2019-10-13 23:14:26,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:24" (2/3) ... [2019-10-13 23:14:26,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217d596d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:26, skipping insertion in model container [2019-10-13 23:14:26,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:26" (3/3) ... [2019-10-13 23:14:26,458 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2019-10-13 23:14:26,468 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:26,477 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:26,490 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:26,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:26,519 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:26,519 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:26,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:26,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:26,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:26,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:26,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2019-10-13 23:14:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:26,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:26,554 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 23:14:26,556 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:26,561 INFO L82 PathProgramCache]: Analyzing trace with hash -603413797, now seen corresponding path program 1 times [2019-10-13 23:14:26,572 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:26,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412574500] [2019-10-13 23:14:26,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:26,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:26,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:26,974 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 23:14:26,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412574500] [2019-10-13 23:14:26,976 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:26,977 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:26,977 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954233075] [2019-10-13 23:14:26,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:26,984 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:27,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:27,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:27,005 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2019-10-13 23:14:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:27,074 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2019-10-13 23:14:27,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:27,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:27,096 INFO L225 Difference]: With dead ends: 183 [2019-10-13 23:14:27,096 INFO L226 Difference]: Without dead ends: 92 [2019-10-13 23:14:27,116 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 23:14:27,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-13 23:14:27,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-13 23:14:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-13 23:14:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-10-13 23:14:27,202 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2019-10-13 23:14:27,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:27,202 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-10-13 23:14:27,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-10-13 23:14:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:27,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:27,209 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 23:14:27,209 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1462996107, now seen corresponding path program 1 times [2019-10-13 23:14:27,211 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:27,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821762389] [2019-10-13 23:14:27,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:27,302 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 23:14:27,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821762389] [2019-10-13 23:14:27,303 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:27,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:27,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765483545] [2019-10-13 23:14:27,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:27,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:27,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:27,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:27,307 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-10-13 23:14:27,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:27,324 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-10-13 23:14:27,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:27,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:27,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:27,327 INFO L225 Difference]: With dead ends: 137 [2019-10-13 23:14:27,327 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:14:27,328 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 23:14:27,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:14:27,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:14:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:14:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-10-13 23:14:27,340 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2019-10-13 23:14:27,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:27,340 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-10-13 23:14:27,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-10-13 23:14:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:27,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:27,343 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 23:14:27,343 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:27,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash -621345853, now seen corresponding path program 1 times [2019-10-13 23:14:27,344 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:27,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313838241] [2019-10-13 23:14:27,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:27,536 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 23:14:27,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313838241] [2019-10-13 23:14:27,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:27,537 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:27,537 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138424007] [2019-10-13 23:14:27,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:27,538 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:27,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:27,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:27,541 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-10-13 23:14:27,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:27,850 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2019-10-13 23:14:27,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:27,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:27,852 INFO L225 Difference]: With dead ends: 146 [2019-10-13 23:14:27,852 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:14:27,853 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 23:14:27,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:14:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:14:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:14:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-10-13 23:14:27,864 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2019-10-13 23:14:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:27,864 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-10-13 23:14:27,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-10-13 23:14:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:27,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:27,867 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, 1, 1] [2019-10-13 23:14:27,867 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:27,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:27,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1731953532, now seen corresponding path program 1 times [2019-10-13 23:14:27,868 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:27,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484918347] [2019-10-13 23:14:27,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:27,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:27,969 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 23:14:27,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484918347] [2019-10-13 23:14:27,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:27,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:27,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845098125] [2019-10-13 23:14:27,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:27,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:27,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:27,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:27,971 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2019-10-13 23:14:28,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:28,153 INFO L93 Difference]: Finished difference Result 201 states and 228 transitions. [2019-10-13 23:14:28,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:28,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-13 23:14:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:28,157 INFO L225 Difference]: With dead ends: 201 [2019-10-13 23:14:28,157 INFO L226 Difference]: Without dead ends: 139 [2019-10-13 23:14:28,158 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 23:14:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-13 23:14:28,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2019-10-13 23:14:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-13 23:14:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 150 transitions. [2019-10-13 23:14:28,187 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 150 transitions. Word has length 54 [2019-10-13 23:14:28,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:28,187 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 150 transitions. [2019-10-13 23:14:28,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2019-10-13 23:14:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:14:28,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:28,195 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, 1, 1, 1, 1, 1] [2019-10-13 23:14:28,196 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:28,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash 755379048, now seen corresponding path program 1 times [2019-10-13 23:14:28,197 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:28,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123702310] [2019-10-13 23:14:28,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:28,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:28,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:28,359 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 23:14:28,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123702310] [2019-10-13 23:14:28,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:28,360 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:28,360 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260089622] [2019-10-13 23:14:28,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:28,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:28,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:28,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:28,362 INFO L87 Difference]: Start difference. First operand 135 states and 150 transitions. Second operand 7 states. [2019-10-13 23:14:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:28,689 INFO L93 Difference]: Finished difference Result 215 states and 246 transitions. [2019-10-13 23:14:28,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:28,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:14:28,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:28,692 INFO L225 Difference]: With dead ends: 215 [2019-10-13 23:14:28,692 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:28,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:14:28,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:28,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:28,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-13 23:14:28,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:28,696 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:28,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:28,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:28,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:29,656 INFO L443 ceAbstractionStarter]: For program point L540(lines 517 541) no Hoare annotation was computed. [2019-10-13 23:14:29,656 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-10-13 23:14:29,656 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 493 548) no Hoare annotation was computed. [2019-10-13 23:14:29,657 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 539) no Hoare annotation was computed. [2019-10-13 23:14:29,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 493 548) no Hoare annotation was computed. [2019-10-13 23:14:29,657 INFO L443 ceAbstractionStarter]: For program point L575-2(lines 575 600) no Hoare annotation was computed. [2019-10-13 23:14:29,657 INFO L443 ceAbstractionStarter]: For program point L601(lines 574 602) no Hoare annotation was computed. [2019-10-13 23:14:29,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 549 608) no Hoare annotation was computed. [2019-10-13 23:14:29,658 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-13 23:14:29,658 INFO L443 ceAbstractionStarter]: For program point L594-1(line 594) no Hoare annotation was computed. [2019-10-13 23:14:29,658 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 549 608) no Hoare annotation was computed. [2019-10-13 23:14:29,658 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 549 608) no Hoare annotation was computed. [2019-10-13 23:14:29,658 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2019-10-13 23:14:29,659 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-13 23:14:29,659 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-13 23:14:29,660 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-13 23:14:29,660 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-13 23:14:29,660 INFO L443 ceAbstractionStarter]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2019-10-13 23:14:29,660 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-13 23:14:29,660 INFO L439 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,661 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,662 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,662 INFO L439 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,662 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2019-10-13 23:14:29,663 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,663 INFO L439 ceAbstractionStarter]: At program point L196-1(line 196) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,663 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2019-10-13 23:14:29,664 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-13 23:14:29,665 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2019-10-13 23:14:29,665 INFO L443 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2019-10-13 23:14:29,665 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 23:14:29,666 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-13 23:14:29,666 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-13 23:14:29,666 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L443 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2019-10-13 23:14:29,667 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2019-10-13 23:14:29,667 INFO L446 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: true [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2019-10-13 23:14:29,668 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 310 345) no Hoare annotation was computed. [2019-10-13 23:14:29,668 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 310 345) no Hoare annotation was computed. [2019-10-13 23:14:29,669 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 23:14:29,669 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 23:14:29,669 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 447 492) no Hoare annotation was computed. [2019-10-13 23:14:29,669 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 447 492) no Hoare annotation was computed. [2019-10-13 23:14:29,669 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 760 805) no Hoare annotation was computed. [2019-10-13 23:14:29,669 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 760 805) no Hoare annotation was computed. [2019-10-13 23:14:29,670 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,670 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2019-10-13 23:14:29,670 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2019-10-13 23:14:29,670 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 290 300) no Hoare annotation was computed. [2019-10-13 23:14:29,670 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 290 300) no Hoare annotation was computed. [2019-10-13 23:14:29,670 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-13 23:14:29,671 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-13 23:14:29,671 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2019-10-13 23:14:29,671 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2019-10-13 23:14:29,671 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 265) no Hoare annotation was computed. [2019-10-13 23:14:29,671 INFO L439 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,671 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-10-13 23:14:29,671 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 270) no Hoare annotation was computed. [2019-10-13 23:14:29,672 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2019-10-13 23:14:29,672 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,672 INFO L439 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,673 INFO L443 ceAbstractionStarter]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2019-10-13 23:14:29,677 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,677 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,678 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2019-10-13 23:14:29,678 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2019-10-13 23:14:29,678 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 374 439) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,678 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2019-10-13 23:14:29,678 INFO L439 ceAbstractionStarter]: At program point L432(lines 383 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,679 INFO L439 ceAbstractionStarter]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,679 INFO L443 ceAbstractionStarter]: For program point L385(lines 384 431) no Hoare annotation was computed. [2019-10-13 23:14:29,679 INFO L439 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,679 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 427) no Hoare annotation was computed. [2019-10-13 23:14:29,682 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,683 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-10-13 23:14:29,683 INFO L443 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2019-10-13 23:14:29,683 INFO L439 ceAbstractionStarter]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,683 INFO L439 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:29,683 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-10-13 23:14:29,683 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 714 759) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 714 759) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2019-10-13 23:14:29,684 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 656) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 611 713) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point L661(lines 660 680) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-13 23:14:29,685 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 698) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 611 713) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point L676(line 676) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point L660-2(lines 660 680) no Hoare annotation was computed. [2019-10-13 23:14:29,686 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 611 713) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point L681(lines 659 682) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 274 281) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 274 281) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2019-10-13 23:14:29,687 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2019-10-13 23:14:29,688 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2019-10-13 23:14:29,688 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2019-10-13 23:14:29,688 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:29,688 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:29,688 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2019-10-13 23:14:29,688 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2019-10-13 23:14:29,688 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,689 INFO L443 ceAbstractionStarter]: For program point L221(lines 220 239) no Hoare annotation was computed. [2019-10-13 23:14:29,689 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,689 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2019-10-13 23:14:29,689 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2019-10-13 23:14:29,689 INFO L439 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,689 INFO L439 ceAbstractionStarter]: At program point L228(lines 228 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,690 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2019-10-13 23:14:29,690 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2019-10-13 23:14:29,690 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 23:14:29,690 INFO L446 ceAbstractionStarter]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2019-10-13 23:14:29,690 INFO L446 ceAbstractionStarter]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2019-10-13 23:14:29,690 INFO L446 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: true [2019-10-13 23:14:29,691 INFO L443 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2019-10-13 23:14:29,691 INFO L446 ceAbstractionStarter]: At program point L134(lines 109 138) the Hoare annotation is: true [2019-10-13 23:14:29,691 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 23:14:29,691 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2019-10-13 23:14:29,691 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2019-10-13 23:14:29,691 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2019-10-13 23:14:29,691 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2019-10-13 23:14:29,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:29,692 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 23:14:29,692 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:29,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:29,692 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2019-10-13 23:14:29,692 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:14:29,692 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2019-10-13 23:14:29,693 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2019-10-13 23:14:29,693 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-10-13 23:14:29,693 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2019-10-13 23:14:29,693 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2019-10-13 23:14:29,693 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 23:14:29,693 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:29,694 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 23:14:29,694 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 23:14:29,694 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:29,695 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 23:14:29,695 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 23:14:29,695 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 23:14:29,695 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 23:14:29,695 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 23:14:29,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:29 BoogieIcfgContainer [2019-10-13 23:14:29,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:29,724 INFO L168 Benchmark]: Toolchain (without parser) took 5775.68 ms. Allocated memory was 137.9 MB in the beginning and 248.0 MB in the end (delta: 110.1 MB). Free memory was 100.8 MB in the beginning and 108.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,726 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.14 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 168.2 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,729 INFO L168 Benchmark]: Boogie Preprocessor took 80.82 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 164.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,735 INFO L168 Benchmark]: RCFGBuilder took 1752.74 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 150.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,736 INFO L168 Benchmark]: TraceAbstraction took 3270.22 ms. Allocated memory was 233.3 MB in the beginning and 248.0 MB in the end (delta: 14.7 MB). Free memory was 150.9 MB in the beginning and 108.7 MB in the end (delta: 42.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:29,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.14 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 168.2 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.82 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 164.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1752.74 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 150.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3270.22 ms. Allocated memory was 233.3 MB in the beginning and 248.0 MB in the end (delta: 14.7 MB). Free memory was 150.9 MB in the beginning and 108.7 MB in the end (delta: 42.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 170 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 448 SDtfs, 200 SDslu, 681 SDs, 0 SdLazy, 293 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 229 PreInvPairs, 243 NumberOfFragments, 484 HoareAnnotationTreeSize, 229 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 21613 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...