java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:45,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:45,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:45,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:45,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:45,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:45,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:45,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:45,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:45,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:45,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:45,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:45,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:45,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:45,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:45,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:45,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:45,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:45,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:45,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:45,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:45,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:45,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:45,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:45,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:45,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:45,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:45,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:45,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:45,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:45,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:45,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:45,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:45,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:45,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:45,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:45,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:45,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:45,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:45,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:45,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:45,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:45,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:45,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:45,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:45,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:45,881 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:45,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:45,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:45,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:45,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:45,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:45,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:45,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:45,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:45,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:45,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:45,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:45,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:45,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:45,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:45,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:45,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:45,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:45,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:45,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:46,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:46,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:46,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:46,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:46,221 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:46,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-10-07 15:20:46,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f218a5de6/1bd78ce8ab0842068ef2c3e120415746/FLAGc79c783c1 [2019-10-07 15:20:46,812 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:46,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-10-07 15:20:46,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f218a5de6/1bd78ce8ab0842068ef2c3e120415746/FLAGc79c783c1 [2019-10-07 15:20:47,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f218a5de6/1bd78ce8ab0842068ef2c3e120415746 [2019-10-07 15:20:47,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:47,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:47,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:47,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:47,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:47,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4b78c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47, skipping insertion in model container [2019-10-07 15:20:47,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:47,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:47,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:47,686 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:47,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:47,805 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:47,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47 WrapperNode [2019-10-07 15:20:47,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:47,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:47,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:47,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:47,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:47,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:47,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:47,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:47,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:49,641 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:49,641 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:49,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:49 BoogieIcfgContainer [2019-10-07 15:20:49,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:49,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:49,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:49,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:49,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:47" (1/3) ... [2019-10-07 15:20:49,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f54c61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:49, skipping insertion in model container [2019-10-07 15:20:49,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (2/3) ... [2019-10-07 15:20:49,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f54c61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:49, skipping insertion in model container [2019-10-07 15:20:49,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:49" (3/3) ... [2019-10-07 15:20:49,651 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2019-10-07 15:20:49,661 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:49,671 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:49,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:49,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:49,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:49,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:49,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:49,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:49,720 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:49,720 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:49,720 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-10-07 15:20:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:49,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,767 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:49,773 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1561327018, now seen corresponding path program 1 times [2019-10-07 15:20:49,789 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:50,172 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,172 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,174 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:50,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:50,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:50,198 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-10-07 15:20:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,272 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2019-10-07 15:20:50,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:50,282 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:50,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,303 INFO L225 Difference]: With dead ends: 220 [2019-10-07 15:20:50,303 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:20:50,320 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:50,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:20:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:20:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:20:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-10-07 15:20:50,415 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 52 [2019-10-07 15:20:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,416 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-10-07 15:20:50,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-10-07 15:20:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:50,424 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,424 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:50,425 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1676889950, now seen corresponding path program 1 times [2019-10-07 15:20:50,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,427 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:50,611 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,612 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,612 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:50,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:50,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:50,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:50,616 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 3 states. [2019-10-07 15:20:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,657 INFO L93 Difference]: Finished difference Result 178 states and 206 transitions. [2019-10-07 15:20:50,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:50,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,661 INFO L225 Difference]: With dead ends: 178 [2019-10-07 15:20:50,661 INFO L226 Difference]: Without dead ends: 104 [2019-10-07 15:20:50,664 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-07 15:20:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-07 15:20:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-07 15:20:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2019-10-07 15:20:50,693 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 53 [2019-10-07 15:20:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,693 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2019-10-07 15:20:50,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2019-10-07 15:20:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:20:50,703 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,703 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:50,703 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,704 INFO L82 PathProgramCache]: Analyzing trace with hash 936662308, now seen corresponding path program 1 times [2019-10-07 15:20:50,707 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,707 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,707 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,708 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:50,951 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,951 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,951 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:50,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:50,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:50,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:50,953 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 7 states. [2019-10-07 15:20:51,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:51,275 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2019-10-07 15:20:51,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:51,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-07 15:20:51,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:51,279 INFO L225 Difference]: With dead ends: 183 [2019-10-07 15:20:51,279 INFO L226 Difference]: Without dead ends: 104 [2019-10-07 15:20:51,280 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-07 15:20:51,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-07 15:20:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-07 15:20:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2019-10-07 15:20:51,306 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 55 [2019-10-07 15:20:51,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:51,312 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2019-10-07 15:20:51,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2019-10-07 15:20:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-07 15:20:51,315 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:51,316 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:51,316 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:51,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:51,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1644150233, now seen corresponding path program 1 times [2019-10-07 15:20:51,317 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:51,317 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:51,317 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:51,318 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:51,480 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:51,480 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:51,480 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:51,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:51,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:51,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:51,482 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 7 states. [2019-10-07 15:20:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:51,857 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2019-10-07 15:20:51,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:51,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-10-07 15:20:51,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:51,859 INFO L225 Difference]: With dead ends: 154 [2019-10-07 15:20:51,859 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:51,864 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:51,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-10-07 15:20:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:51,868 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:51,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:51,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:51,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:52,405 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-07 15:20:52,406 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-10-07 15:20:52,406 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-10-07 15:20:52,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-10-07 15:20:52,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-10-07 15:20:52,407 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-07 15:20:52,407 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-07 15:20:52,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-10-07 15:20:52,408 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:20:52,409 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:20:52,409 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:20:52,409 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:20:52,409 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 919 926) the Hoare annotation is: true [2019-10-07 15:20:52,409 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 919 926) no Hoare annotation was computed. [2019-10-07 15:20:52,409 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 927 936) the Hoare annotation is: true [2019-10-07 15:20:52,409 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 927 936) no Hoare annotation was computed. [2019-10-07 15:20:52,410 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-07 15:20:52,410 INFO L439 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,410 INFO L443 ceAbstractionStarter]: For program point L950(lines 950 956) no Hoare annotation was computed. [2019-10-07 15:20:52,410 INFO L443 ceAbstractionStarter]: For program point L949(lines 949 959) no Hoare annotation was computed. [2019-10-07 15:20:52,410 INFO L446 ceAbstractionStarter]: At program point L947(line 947) the Hoare annotation is: true [2019-10-07 15:20:52,410 INFO L443 ceAbstractionStarter]: For program point L947-1(line 947) no Hoare annotation was computed. [2019-10-07 15:20:52,410 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 962) no Hoare annotation was computed. [2019-10-07 15:20:52,411 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 937 965) the Hoare annotation is: true [2019-10-07 15:20:52,411 INFO L443 ceAbstractionStarter]: For program point L945-1(lines 937 965) no Hoare annotation was computed. [2019-10-07 15:20:52,411 INFO L446 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: true [2019-10-07 15:20:52,411 INFO L443 ceAbstractionStarter]: For program point L943-1(line 943) no Hoare annotation was computed. [2019-10-07 15:20:52,411 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 937 965) no Hoare annotation was computed. [2019-10-07 15:20:52,411 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 260 282) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,411 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 260 282) no Hoare annotation was computed. [2019-10-07 15:20:52,412 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:52,412 INFO L439 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:52,412 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 277) no Hoare annotation was computed. [2019-10-07 15:20:52,412 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 277) no Hoare annotation was computed. [2019-10-07 15:20:52,412 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-07 15:20:52,412 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,413 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,413 INFO L439 ceAbstractionStarter]: At program point L266-1(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,413 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:20:52,413 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-07 15:20:52,413 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 216 239) no Hoare annotation was computed. [2019-10-07 15:20:52,413 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-07 15:20:52,413 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 216 239) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 216 239) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-07 15:20:52,414 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-07 15:20:52,415 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,416 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2019-10-07 15:20:52,416 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,416 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,416 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 327 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,416 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-10-07 15:20:52,416 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,417 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-10-07 15:20:52,417 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 327 351) no Hoare annotation was computed. [2019-10-07 15:20:52,417 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-10-07 15:20:52,417 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2019-10-07 15:20:52,417 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2019-10-07 15:20:52,417 INFO L446 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2019-10-07 15:20:52,417 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:20:52,418 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:20:52,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-10-07 15:20:52,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-10-07 15:20:52,419 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-10-07 15:20:52,419 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-10-07 15:20:52,419 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 249 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,419 INFO L439 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,420 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 249 259) no Hoare annotation was computed. [2019-10-07 15:20:52,420 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 249 259) no Hoare annotation was computed. [2019-10-07 15:20:52,420 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-10-07 15:20:52,420 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2019-10-07 15:20:52,420 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-07 15:20:52,420 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2019-10-07 15:20:52,420 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: true [2019-10-07 15:20:52,421 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2019-10-07 15:20:52,421 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 353 377) no Hoare annotation was computed. [2019-10-07 15:20:52,421 INFO L439 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,421 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 353 377) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,421 INFO L443 ceAbstractionStarter]: For program point L372-1(lines 353 377) no Hoare annotation was computed. [2019-10-07 15:20:52,421 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,421 INFO L439 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,422 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 369) no Hoare annotation was computed. [2019-10-07 15:20:52,422 INFO L439 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,422 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-07 15:20:52,422 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2019-10-07 15:20:52,422 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 319 325) no Hoare annotation was computed. [2019-10-07 15:20:52,422 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 319 325) the Hoare annotation is: true [2019-10-07 15:20:52,422 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,423 INFO L439 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,423 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2019-10-07 15:20:52,423 INFO L439 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,423 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-10-07 15:20:52,423 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,423 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-07 15:20:52,424 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2019-10-07 15:20:52,424 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,424 INFO L439 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,424 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-07 15:20:52,424 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-10-07 15:20:52,424 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2019-10-07 15:20:52,424 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 378 385) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 378 385) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2019-10-07 15:20:52,425 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2019-10-07 15:20:52,427 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:52,427 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:52,427 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-10-07 15:20:52,427 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-10-07 15:20:52,428 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 386 402) no Hoare annotation was computed. [2019-10-07 15:20:52,429 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 386 402) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 386 402) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point L391(line 391) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 164 172) the Hoare annotation is: true [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:20:52,430 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2019-10-07 15:20:52,430 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2019-10-07 15:20:52,431 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,431 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,431 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2019-10-07 15:20:52,431 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2019-10-07 15:20:52,431 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,431 INFO L439 ceAbstractionStarter]: At program point L306(lines 306 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,431 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 292 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,432 INFO L439 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:52,432 INFO L443 ceAbstractionStarter]: For program point L299(lines 295 317) no Hoare annotation was computed. [2019-10-07 15:20:52,432 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 292 318) no Hoare annotation was computed. [2019-10-07 15:20:52,432 INFO L443 ceAbstractionStarter]: For program point L297(lines 295 317) no Hoare annotation was computed. [2019-10-07 15:20:52,432 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 292 318) no Hoare annotation was computed. [2019-10-07 15:20:52,432 INFO L446 ceAbstractionStarter]: At program point L195-2(lines 195 209) the Hoare annotation is: true [2019-10-07 15:20:52,432 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 185 214) no Hoare annotation was computed. [2019-10-07 15:20:52,432 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-10-07 15:20:52,433 INFO L443 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2019-10-07 15:20:52,433 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 185 214) the Hoare annotation is: true [2019-10-07 15:20:52,433 INFO L446 ceAbstractionStarter]: At program point L210(lines 185 214) the Hoare annotation is: true [2019-10-07 15:20:52,433 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-07 15:20:52,433 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 203) no Hoare annotation was computed. [2019-10-07 15:20:52,433 INFO L446 ceAbstractionStarter]: At program point L199-1(lines 199 203) the Hoare annotation is: true [2019-10-07 15:20:52,433 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2019-10-07 15:20:52,434 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2019-10-07 15:20:52,434 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 240 246) no Hoare annotation was computed. [2019-10-07 15:20:52,434 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 240 246) the Hoare annotation is: true [2019-10-07 15:20:52,434 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,434 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,434 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:52,434 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,435 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2019-10-07 15:20:52,435 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2019-10-07 15:20:52,435 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-10-07 15:20:52,435 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-10-07 15:20:52,435 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-07 15:20:52,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:52 BoogieIcfgContainer [2019-10-07 15:20:52,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:52,454 INFO L168 Benchmark]: Toolchain (without parser) took 5345.42 ms. Allocated memory was 144.2 MB in the beginning and 250.1 MB in the end (delta: 105.9 MB). Free memory was 101.1 MB in the beginning and 164.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,455 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.12 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 168.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,458 INFO L168 Benchmark]: Boogie Preprocessor took 87.82 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,459 INFO L168 Benchmark]: RCFGBuilder took 1748.18 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 144.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,460 INFO L168 Benchmark]: TraceAbstraction took 2807.72 ms. Allocated memory was 232.3 MB in the beginning and 250.1 MB in the end (delta: 17.8 MB). Free memory was 144.8 MB in the beginning and 164.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.12 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 168.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.82 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1748.18 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 144.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2807.72 ms. Allocated memory was 232.3 MB in the beginning and 250.1 MB in the end (delta: 17.8 MB). Free memory was 144.8 MB in the beginning and 164.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 496]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 191 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 426 SDtfs, 172 SDslu, 435 SDs, 0 SdLazy, 282 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 231 PreInvPairs, 238 NumberOfFragments, 384 HoareAnnotationTreeSize, 231 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 22082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...