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_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:46,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:46,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:46,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:46,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:46,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:46,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:46,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:46,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:46,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:46,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:46,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:46,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:46,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:46,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:46,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:46,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:46,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:46,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:46,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:46,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:46,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:46,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:46,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:46,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:46,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:46,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:46,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:46,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:46,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:46,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:46,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:46,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:46,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:46,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:46,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:46,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:46,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:46,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:46,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:46,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:46,871 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 23:16:46,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:46,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:46,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:46,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:46,887 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:46,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:46,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:46,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:46,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:46,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:46,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:46,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:46,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:46,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:46,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:46,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:46,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:46,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:46,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:46,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:46,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:46,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:46,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:46,892 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 23:16:47,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:47,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:47,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:47,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:47,217 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:47,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-13 23:16:47,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cd53066/deeabfbc8a714ba88e2e9bf3ef6ec14b/FLAG191b4fe63 [2019-10-13 23:16:47,828 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:47,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-13 23:16:47,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cd53066/deeabfbc8a714ba88e2e9bf3ef6ec14b/FLAG191b4fe63 [2019-10-13 23:16:48,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cd53066/deeabfbc8a714ba88e2e9bf3ef6ec14b [2019-10-13 23:16:48,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:48,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:48,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:48,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:48,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:48,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a513961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48, skipping insertion in model container [2019-10-13 23:16:48,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,118 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:48,162 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:48,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:48,659 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:48,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:48,852 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:48,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48 WrapperNode [2019-10-13 23:16:48,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:48,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:48,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:48,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:48,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (1/1) ... [2019-10-13 23:16:48,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:48,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:48,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:48,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:48,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (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 23:16:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:16:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:16:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:16:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:16:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:16:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:16:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:50,659 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:50,659 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:50,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:50 BoogieIcfgContainer [2019-10-13 23:16:50,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:50,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:50,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:50,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:50,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:48" (1/3) ... [2019-10-13 23:16:50,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5330578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:50, skipping insertion in model container [2019-10-13 23:16:50,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48" (2/3) ... [2019-10-13 23:16:50,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5330578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:50, skipping insertion in model container [2019-10-13 23:16:50,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:50" (3/3) ... [2019-10-13 23:16:50,670 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-10-13 23:16:50,681 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:50,690 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:50,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:50,727 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:50,727 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:50,727 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:50,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:50,728 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:50,728 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:50,728 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:50,728 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-10-13 23:16:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:50,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:50,758 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 23:16:50,760 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:50,766 INFO L82 PathProgramCache]: Analyzing trace with hash 44824150, now seen corresponding path program 1 times [2019-10-13 23:16:50,776 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:50,777 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873933537] [2019-10-13 23:16:50,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,076 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 23:16:51,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873933537] [2019-10-13 23:16:51,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:51,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:51,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195593785] [2019-10-13 23:16:51,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:51,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:51,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:51,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:51,102 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2019-10-13 23:16:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:51,141 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2019-10-13 23:16:51,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:51,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:51,156 INFO L225 Difference]: With dead ends: 183 [2019-10-13 23:16:51,156 INFO L226 Difference]: Without dead ends: 92 [2019-10-13 23:16:51,160 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 23:16:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-13 23:16:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-13 23:16:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-13 23:16:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-10-13 23:16:51,219 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2019-10-13 23:16:51,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:51,220 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-10-13 23:16:51,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-10-13 23:16:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:51,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:51,224 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 23:16:51,225 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:51,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:51,225 INFO L82 PathProgramCache]: Analyzing trace with hash -476878370, now seen corresponding path program 1 times [2019-10-13 23:16:51,226 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:51,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089870947] [2019-10-13 23:16:51,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,456 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 23:16:51,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089870947] [2019-10-13 23:16:51,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:51,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:51,458 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693334543] [2019-10-13 23:16:51,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:51,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:51,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:51,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:51,461 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-10-13 23:16:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:51,501 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-10-13 23:16:51,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:51,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:51,506 INFO L225 Difference]: With dead ends: 137 [2019-10-13 23:16:51,506 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:16:51,508 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 23:16:51,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:16:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:16:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:16:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-10-13 23:16:51,537 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2019-10-13 23:16:51,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:51,538 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-10-13 23:16:51,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-10-13 23:16:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:16:51,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:51,545 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 23:16:51,547 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:51,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1704026851, now seen corresponding path program 1 times [2019-10-13 23:16:51,548 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:51,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37697413] [2019-10-13 23:16:51,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,721 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 23:16:51,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37697413] [2019-10-13 23:16:51,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:51,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:51,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264994614] [2019-10-13 23:16:51,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:51,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:51,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:51,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:51,724 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-10-13 23:16:52,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:52,089 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2019-10-13 23:16:52,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:52,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:16:52,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:52,091 INFO L225 Difference]: With dead ends: 146 [2019-10-13 23:16:52,092 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:16:52,093 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 23:16:52,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:16:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:16:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:16:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-10-13 23:16:52,104 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2019-10-13 23:16:52,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:52,104 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-10-13 23:16:52,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-10-13 23:16:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:16:52,106 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:52,106 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 23:16:52,106 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:52,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1456546656, now seen corresponding path program 1 times [2019-10-13 23:16:52,107 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:52,107 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360467774] [2019-10-13 23:16:52,107 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:52,108 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:52,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:52,244 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 23:16:52,245 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360467774] [2019-10-13 23:16:52,245 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:52,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:52,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292541205] [2019-10-13 23:16:52,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:52,246 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:52,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:52,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:52,247 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 10 states. [2019-10-13 23:16:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:52,785 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2019-10-13 23:16:52,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:52,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-10-13 23:16:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:52,796 INFO L225 Difference]: With dead ends: 253 [2019-10-13 23:16:52,797 INFO L226 Difference]: Without dead ends: 191 [2019-10-13 23:16:52,801 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:52,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-13 23:16:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2019-10-13 23:16:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-10-13 23:16:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 207 transitions. [2019-10-13 23:16:52,857 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 207 transitions. Word has length 54 [2019-10-13 23:16:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:52,859 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 207 transitions. [2019-10-13 23:16:52,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2019-10-13 23:16:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:16:52,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:52,867 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, 1, 1, 1] [2019-10-13 23:16:52,867 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:52,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2133406583, now seen corresponding path program 1 times [2019-10-13 23:16:52,868 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:52,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357864873] [2019-10-13 23:16:52,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:52,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:52,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:52,957 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 23:16:52,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357864873] [2019-10-13 23:16:52,958 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:52,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:52,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680640451] [2019-10-13 23:16:52,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:52,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:52,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:52,960 INFO L87 Difference]: Start difference. First operand 183 states and 207 transitions. Second operand 3 states. [2019-10-13 23:16:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:52,980 INFO L93 Difference]: Finished difference Result 302 states and 350 transitions. [2019-10-13 23:16:52,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:52,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-13 23:16:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:52,985 INFO L225 Difference]: With dead ends: 302 [2019-10-13 23:16:52,985 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 23:16:52,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 23:16:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 23:16:53,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 23:16:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 23:16:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2019-10-13 23:16:53,016 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 57 [2019-10-13 23:16:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:53,016 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2019-10-13 23:16:53,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2019-10-13 23:16:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 23:16:53,020 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:53,021 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 23:16:53,021 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1360338279, now seen corresponding path program 1 times [2019-10-13 23:16:53,022 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:53,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994437846] [2019-10-13 23:16:53,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:53,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:53,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:16:53,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994437846] [2019-10-13 23:16:53,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620367589] [2019-10-13 23:16:53,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:53,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 23:16:53,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:16:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:16:53,663 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:16:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:16:53,864 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 23:16:53,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [15] total 20 [2019-10-13 23:16:53,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068622639] [2019-10-13 23:16:53,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:53,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:53,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:53,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2019-10-13 23:16:53,868 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 7 states. [2019-10-13 23:16:54,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:54,108 INFO L93 Difference]: Finished difference Result 143 states and 153 transitions. [2019-10-13 23:16:54,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:54,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2019-10-13 23:16:54,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:54,110 INFO L225 Difference]: With dead ends: 143 [2019-10-13 23:16:54,110 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:54,111 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 181 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-10-13 23:16:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:54,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:54,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 23:16:54,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:54,112 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:54,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:54,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:54,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:54,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point L539-2(lines 539 560) no Hoare annotation was computed. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point L561(lines 538 562) no Hoare annotation was computed. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 514 569) no Hoare annotation was computed. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 514 569) no Hoare annotation was computed. [2019-10-13 23:16:55,059 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 606) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 570 629) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point L596-2(lines 596 621) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 570 629) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point L622(lines 595 623) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 570 629) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point L615-1(line 615) no Hoare annotation was computed. [2019-10-13 23:16:55,060 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2019-10-13 23:16:55,060 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2019-10-13 23:16:55,061 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2019-10-13 23:16:55,061 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2019-10-13 23:16:55,061 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2019-10-13 23:16:55,061 INFO L439 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,061 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-10-13 23:16:55,061 INFO L439 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,061 INFO L443 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2019-10-13 23:16:55,062 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 419) no Hoare annotation was computed. [2019-10-13 23:16:55,062 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2019-10-13 23:16:55,062 INFO L446 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2019-10-13 23:16:55,062 INFO L443 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2019-10-13 23:16:55,062 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2019-10-13 23:16:55,062 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 900 922) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,062 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2019-10-13 23:16:55,063 INFO L439 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,063 INFO L439 ceAbstractionStarter]: At program point L912-1(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,063 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 917) no Hoare annotation was computed. [2019-10-13 23:16:55,063 INFO L443 ceAbstractionStarter]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2019-10-13 23:16:55,063 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-13 23:16:55,064 INFO L439 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,064 INFO L439 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,064 INFO L439 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,064 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 23:16:55,064 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 23:16:55,064 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 859 882) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 859 882) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 859 882) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point L875(line 875) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2019-10-13 23:16:55,065 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-13 23:16:55,066 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-10-13 23:16:55,067 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-13 23:16:55,067 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2019-10-13 23:16:55,067 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2019-10-13 23:16:55,067 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-10-13 23:16:55,067 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-10-13 23:16:55,067 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point L274-1(line 274) no Hoare annotation was computed. [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2019-10-13 23:16:55,068 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2019-10-13 23:16:55,069 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2019-10-13 23:16:55,069 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 468 513) no Hoare annotation was computed. [2019-10-13 23:16:55,069 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 468 513) no Hoare annotation was computed. [2019-10-13 23:16:55,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 781 826) no Hoare annotation was computed. [2019-10-13 23:16:55,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 781 826) no Hoare annotation was computed. [2019-10-13 23:16:55,070 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,070 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2019-10-13 23:16:55,070 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2019-10-13 23:16:55,070 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2019-10-13 23:16:55,070 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2019-10-13 23:16:55,070 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 23:16:55,071 INFO L443 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2019-10-13 23:16:55,071 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2019-10-13 23:16:55,071 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2019-10-13 23:16:55,071 INFO L439 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-13 23:16:55,071 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2019-10-13 23:16:55,071 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2019-10-13 23:16:55,072 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-13 23:16:55,072 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,072 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,072 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 181) no Hoare annotation was computed. [2019-10-13 23:16:55,072 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,072 INFO L443 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2019-10-13 23:16:55,072 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 186) no Hoare annotation was computed. [2019-10-13 23:16:55,072 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2019-10-13 23:16:55,073 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2019-10-13 23:16:55,073 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,073 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-10-13 23:16:55,073 INFO L439 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,073 INFO L439 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,073 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-10-13 23:16:55,074 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,074 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-10-13 23:16:55,074 INFO L439 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,074 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-10-13 23:16:55,074 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-10-13 23:16:55,074 INFO L439 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,075 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 735 780) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 735 780) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 190 197) no Hoare annotation was computed. [2019-10-13 23:16:55,075 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 190 197) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 356 378) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 356 378) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 428 437) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 428 437) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 632 734) no Hoare annotation was computed. [2019-10-13 23:16:55,076 INFO L443 ceAbstractionStarter]: For program point L702(lines 680 703) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 677) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L682(lines 681 701) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L713(line 713) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L713-1(line 713) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 719) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 632 734) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L697(line 697) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2019-10-13 23:16:55,077 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 632 734) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 660) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point L681-2(lines 681 701) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point L210-1(lines 199 215) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 23:16:55,078 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 199 215) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 199 215) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: true [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:55,079 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:55,080 INFO L439 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:55,080 INFO L439 ceAbstractionStarter]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:55,080 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:55,080 INFO L439 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:55,080 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2019-10-13 23:16:55,080 INFO L443 ceAbstractionStarter]: For program point L137(lines 136 155) no Hoare annotation was computed. [2019-10-13 23:16:55,081 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2019-10-13 23:16:55,081 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2019-10-13 23:16:55,081 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2019-10-13 23:16:55,081 INFO L446 ceAbstractionStarter]: At program point L854(lines 829 858) the Hoare annotation is: true [2019-10-13 23:16:55,081 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-13 23:16:55,081 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-10-13 23:16:55,081 INFO L446 ceAbstractionStarter]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2019-10-13 23:16:55,082 INFO L446 ceAbstractionStarter]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2019-10-13 23:16:55,082 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 23:16:55,082 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 23:16:55,082 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 347 355) no Hoare annotation was computed. [2019-10-13 23:16:55,082 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 347 355) no Hoare annotation was computed. [2019-10-13 23:16:55,082 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2019-10-13 23:16:55,083 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2019-10-13 23:16:55,083 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2019-10-13 23:16:55,083 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2019-10-13 23:16:55,083 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:55,083 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:55,084 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:55,084 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:55,084 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2019-10-13 23:16:55,084 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-13 23:16:55,084 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2019-10-13 23:16:55,084 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:55,085 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:16:55,085 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:16:55,085 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:16:55,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:55 BoogieIcfgContainer [2019-10-13 23:16:55,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:55,103 INFO L168 Benchmark]: Toolchain (without parser) took 7002.59 ms. Allocated memory was 145.2 MB in the beginning and 291.0 MB in the end (delta: 145.8 MB). Free memory was 100.3 MB in the beginning and 93.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,104 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.21 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 171.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,106 INFO L168 Benchmark]: Boogie Preprocessor took 82.73 ms. Allocated memory is still 203.4 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,107 INFO L168 Benchmark]: RCFGBuilder took 1724.92 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 154.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,108 INFO L168 Benchmark]: TraceAbstraction took 4438.13 ms. Allocated memory was 235.9 MB in the beginning and 291.0 MB in the end (delta: 55.1 MB). Free memory was 153.5 MB in the beginning and 93.2 MB in the end (delta: 60.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:55,113 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 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.21 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 171.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.73 ms. Allocated memory is still 203.4 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1724.92 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 154.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4438.13 ms. Allocated memory was 235.9 MB in the beginning and 291.0 MB in the end (delta: 55.1 MB). Free memory was 153.5 MB in the beginning and 93.2 MB in the end (delta: 60.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 177 locations, 1 error locations. Result: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 539 SDtfs, 308 SDslu, 1083 SDs, 0 SdLazy, 432 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 270 PreInvPairs, 291 NumberOfFragments, 595 HoareAnnotationTreeSize, 270 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 819 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 501 ConstructedInterpolants, 0 QuantifiedInterpolants, 63379 SizeOfPredicates, 2 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 68/84 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...