java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:07,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:07,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:07,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:07,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:07,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:07,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:07,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:07,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:07,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:07,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:07,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:07,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:07,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:07,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:07,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:07,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:07,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:07,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:07,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:07,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:07,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:07,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:07,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:07,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:07,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:07,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:07,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:07,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:07,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:07,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:07,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:07,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:07,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:07,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:07,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:07,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:07,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:07,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:07,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:07,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:07,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:15:07,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:07,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:07,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:07,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:07,912 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:07,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:07,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:07,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:07,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:07,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:07,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:07,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:07,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:07,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:07,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:07,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:07,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:07,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:07,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:07,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:07,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:07,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:07,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:07,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:07,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:07,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:07,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:07,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:07,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:08,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:08,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:08,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:08,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:08,247 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:08,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-10-07 15:15:08,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3321a0b36/ec46e30cee4d4d1a8329c56af9ce5961/FLAG9eb69ab44 [2019-10-07 15:15:08,920 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:08,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-10-07 15:15:08,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3321a0b36/ec46e30cee4d4d1a8329c56af9ce5961/FLAG9eb69ab44 [2019-10-07 15:15:09,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3321a0b36/ec46e30cee4d4d1a8329c56af9ce5961 [2019-10-07 15:15:09,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:09,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:09,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:09,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:09,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:09,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbc4866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09, skipping insertion in model container [2019-10-07 15:15:09,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:09,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:09,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:09,741 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:09,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:09,935 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:09,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09 WrapperNode [2019-10-07 15:15:09,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:09,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:09,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:09,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:09,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:10,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:10,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:10,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:10,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:10,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:10,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:10,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:10,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:15:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:11,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:11,965 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:11,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:11 BoogieIcfgContainer [2019-10-07 15:15:11,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:11,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:11,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:11,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:11,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:09" (1/3) ... [2019-10-07 15:15:11,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fcecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:11, skipping insertion in model container [2019-10-07 15:15:11,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (2/3) ... [2019-10-07 15:15:11,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fcecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:11, skipping insertion in model container [2019-10-07 15:15:11,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:11" (3/3) ... [2019-10-07 15:15:11,975 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2019-10-07 15:15:11,985 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:11,994 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:12,009 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:12,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:12,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:12,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:12,044 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:12,044 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:12,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:12,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:12,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-10-07 15:15:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:12,096 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:12,097 INFO L385 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] [2019-10-07 15:15:12,099 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:12,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:12,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1405206791, now seen corresponding path program 1 times [2019-10-07 15:15:12,117 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:12,118 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,118 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,118 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:12,477 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,477 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:12,478 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:12,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:12,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:12,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:12,503 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-10-07 15:15:12,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:12,563 INFO L93 Difference]: Finished difference Result 223 states and 276 transitions. [2019-10-07 15:15:12,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:12,564 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:12,587 INFO L225 Difference]: With dead ends: 223 [2019-10-07 15:15:12,587 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:15:12,595 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:15:12,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:15:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:15:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 132 transitions. [2019-10-07 15:15:12,645 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 132 transitions. Word has length 42 [2019-10-07 15:15:12,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:12,645 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 132 transitions. [2019-10-07 15:15:12,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2019-10-07 15:15:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:12,649 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:12,650 INFO L385 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] [2019-10-07 15:15:12,650 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:12,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:12,651 INFO L82 PathProgramCache]: Analyzing trace with hash 512897315, now seen corresponding path program 1 times [2019-10-07 15:15:12,651 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:12,651 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,652 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,652 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:12,797 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,797 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:12,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:12,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:12,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:12,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:12,802 INFO L87 Difference]: Start difference. First operand 112 states and 132 transitions. Second operand 3 states. [2019-10-07 15:15:12,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:12,853 INFO L93 Difference]: Finished difference Result 171 states and 201 transitions. [2019-10-07 15:15:12,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:12,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:12,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:12,857 INFO L225 Difference]: With dead ends: 171 [2019-10-07 15:15:12,857 INFO L226 Difference]: Without dead ends: 104 [2019-10-07 15:15:12,861 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-07 15:15:12,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-07 15:15:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-07 15:15:12,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-10-07 15:15:12,888 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 43 [2019-10-07 15:15:12,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:12,889 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-10-07 15:15:12,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-10-07 15:15:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:15:12,898 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:12,899 INFO L385 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] [2019-10-07 15:15:12,899 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:12,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:12,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2062825960, now seen corresponding path program 1 times [2019-10-07 15:15:12,903 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:12,903 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,903 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:13,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:13,128 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:13,129 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:13,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:13,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:13,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:13,130 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 7 states. [2019-10-07 15:15:13,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:13,528 INFO L93 Difference]: Finished difference Result 313 states and 379 transitions. [2019-10-07 15:15:13,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:13,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:15:13,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:13,533 INFO L225 Difference]: With dead ends: 313 [2019-10-07 15:15:13,533 INFO L226 Difference]: Without dead ends: 231 [2019-10-07 15:15:13,534 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:13,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-07 15:15:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 219. [2019-10-07 15:15:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-07 15:15:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 264 transitions. [2019-10-07 15:15:13,572 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 264 transitions. Word has length 47 [2019-10-07 15:15:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:13,573 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 264 transitions. [2019-10-07 15:15:13,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 264 transitions. [2019-10-07 15:15:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:13,575 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:13,576 INFO L385 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] [2019-10-07 15:15:13,576 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1814467094, now seen corresponding path program 1 times [2019-10-07 15:15:13,577 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:13,577 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:13,577 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:13,577 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:13,763 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:13,763 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:13,764 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:13,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:13,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:13,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:13,765 INFO L87 Difference]: Start difference. First operand 219 states and 264 transitions. Second operand 6 states. [2019-10-07 15:15:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:13,989 INFO L93 Difference]: Finished difference Result 598 states and 741 transitions. [2019-10-07 15:15:13,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:13,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:13,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:14,001 INFO L225 Difference]: With dead ends: 598 [2019-10-07 15:15:14,002 INFO L226 Difference]: Without dead ends: 401 [2019-10-07 15:15:14,008 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:14,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-07 15:15:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 389. [2019-10-07 15:15:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-07 15:15:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 474 transitions. [2019-10-07 15:15:14,094 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 474 transitions. Word has length 51 [2019-10-07 15:15:14,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:14,095 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 474 transitions. [2019-10-07 15:15:14,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 474 transitions. [2019-10-07 15:15:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:14,099 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:14,099 INFO L385 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] [2019-10-07 15:15:14,099 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:14,104 INFO L82 PathProgramCache]: Analyzing trace with hash -900997176, now seen corresponding path program 1 times [2019-10-07 15:15:14,104 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:14,105 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:14,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:14,220 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:14,221 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:14,221 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:14,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:14,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:14,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:14,223 INFO L87 Difference]: Start difference. First operand 389 states and 474 transitions. Second operand 6 states. [2019-10-07 15:15:14,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:14,420 INFO L93 Difference]: Finished difference Result 643 states and 808 transitions. [2019-10-07 15:15:14,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:15:14,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-07 15:15:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:14,421 INFO L225 Difference]: With dead ends: 643 [2019-10-07 15:15:14,421 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:14,424 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:14,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:14,425 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:14,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:14,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:14,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:15,309 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:15,310 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:15:15,311 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2019-10-07 15:15:15,311 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2019-10-07 15:15:15,311 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2019-10-07 15:15:15,311 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2019-10-07 15:15:15,311 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,312 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:15,312 INFO L439 ceAbstractionStarter]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:15,312 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 705) no Hoare annotation was computed. [2019-10-07 15:15:15,312 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2019-10-07 15:15:15,312 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2019-10-07 15:15:15,313 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-07 15:15:15,313 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,313 INFO L439 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,313 INFO L439 ceAbstractionStarter]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,313 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2019-10-07 15:15:15,313 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L661(line 661) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L658(line 658) no Hoare annotation was computed. [2019-10-07 15:15:15,314 INFO L443 ceAbstractionStarter]: For program point L657(line 657) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L656(line 656) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L654(line 654) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-07 15:15:15,315 INFO L443 ceAbstractionStarter]: For program point L649(line 649) no Hoare annotation was computed. [2019-10-07 15:15:15,316 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:15,316 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2019-10-07 15:15:15,316 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-10-07 15:15:15,316 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~systemActive~0)) (= |old(~systemActive~0)| 0)) (or .cse0 (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)))) [2019-10-07 15:15:15,316 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2019-10-07 15:15:15,316 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2019-10-07 15:15:15,317 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-07 15:15:15,317 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-07 15:15:15,317 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2019-10-07 15:15:15,317 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2019-10-07 15:15:15,317 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-07 15:15:15,317 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2019-10-07 15:15:15,317 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:15,318 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:15,319 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,319 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2019-10-07 15:15:15,319 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2019-10-07 15:15:15,319 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2019-10-07 15:15:15,319 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2019-10-07 15:15:15,319 INFO L446 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2019-10-07 15:15:15,319 INFO L443 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2019-10-07 15:15:15,320 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2019-10-07 15:15:15,320 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-07 15:15:15,320 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-07 15:15:15,320 INFO L443 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2019-10-07 15:15:15,320 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2019-10-07 15:15:15,320 INFO L439 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,321 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-07 15:15:15,321 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,321 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-10-07 15:15:15,321 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,321 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-07 15:15:15,321 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-10-07 15:15:15,321 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2019-10-07 15:15:15,322 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2019-10-07 15:15:15,322 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,322 INFO L439 ceAbstractionStarter]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,322 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2019-10-07 15:15:15,322 INFO L439 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,322 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 597) no Hoare annotation was computed. [2019-10-07 15:15:15,323 INFO L439 ceAbstractionStarter]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,323 INFO L443 ceAbstractionStarter]: For program point L554(lines 553 602) no Hoare annotation was computed. [2019-10-07 15:15:15,323 INFO L439 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,323 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 598) no Hoare annotation was computed. [2019-10-07 15:15:15,323 INFO L439 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,323 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L439 ceAbstractionStarter]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,324 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:15,324 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:15,325 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:15:15,326 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:15,327 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:15,328 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2019-10-07 15:15:15,328 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-07 15:15:15,329 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2019-10-07 15:15:15,329 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-07 15:15:15,329 INFO L439 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:15,329 INFO L439 ceAbstractionStarter]: At program point L728(lines 728 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:15,329 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:15,329 INFO L443 ceAbstractionStarter]: For program point L721(lines 720 739) no Hoare annotation was computed. [2019-10-07 15:15:15,329 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:15,330 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2019-10-07 15:15:15,330 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2019-10-07 15:15:15,330 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2019-10-07 15:15:15,330 INFO L446 ceAbstractionStarter]: At program point L638(lines 613 642) the Hoare annotation is: true [2019-10-07 15:15:15,330 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2019-10-07 15:15:15,330 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-10-07 15:15:15,330 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 631) no Hoare annotation was computed. [2019-10-07 15:15:15,330 INFO L446 ceAbstractionStarter]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2019-10-07 15:15:15,331 INFO L446 ceAbstractionStarter]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2019-10-07 15:15:15,331 INFO L446 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: true [2019-10-07 15:15:15,331 INFO L443 ceAbstractionStarter]: For program point L619-1(line 619) no Hoare annotation was computed. [2019-10-07 15:15:15,331 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-10-07 15:15:15,331 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-07 15:15:15,331 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2019-10-07 15:15:15,331 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2019-10-07 15:15:15,332 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:15,332 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:15,332 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:15,332 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:15,332 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2019-10-07 15:15:15,332 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: true [2019-10-07 15:15:15,332 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-07 15:15:15,332 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2019-10-07 15:15:15,333 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2019-10-07 15:15:15,333 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2019-10-07 15:15:15,333 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2019-10-07 15:15:15,333 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-07 15:15:15,333 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 525) no Hoare annotation was computed. [2019-10-07 15:15:15,333 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2019-10-07 15:15:15,334 INFO L446 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2019-10-07 15:15:15,334 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-10-07 15:15:15,334 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2019-10-07 15:15:15,334 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2019-10-07 15:15:15,334 INFO L439 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:15,334 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2019-10-07 15:15:15,334 INFO L439 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:15,335 INFO L439 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-07 15:15:15,335 INFO L443 ceAbstractionStarter]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2019-10-07 15:15:15,335 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2019-10-07 15:15:15,335 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,335 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-07 15:15:15,335 INFO L439 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,335 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 765) no Hoare annotation was computed. [2019-10-07 15:15:15,336 INFO L439 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:15,336 INFO L443 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2019-10-07 15:15:15,336 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 770) no Hoare annotation was computed. [2019-10-07 15:15:15,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:15 BoogieIcfgContainer [2019-10-07 15:15:15,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:15,353 INFO L168 Benchmark]: Toolchain (without parser) took 6159.81 ms. Allocated memory was 140.5 MB in the beginning and 289.9 MB in the end (delta: 149.4 MB). Free memory was 101.2 MB in the beginning and 210.4 MB in the end (delta: -109.2 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,354 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 140.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.73 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.0 MB in the beginning and 167.5 MB in the end (delta: -66.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,357 INFO L168 Benchmark]: Boogie Preprocessor took 118.86 ms. Allocated memory is still 202.4 MB. Free memory was 167.5 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,359 INFO L168 Benchmark]: RCFGBuilder took 1911.17 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.8 MB in the beginning and 146.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,362 INFO L168 Benchmark]: TraceAbstraction took 3382.81 ms. Allocated memory was 234.4 MB in the beginning and 289.9 MB in the end (delta: 55.6 MB). Free memory was 146.6 MB in the beginning and 210.4 MB in the end (delta: -63.7 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:15,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 140.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.73 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.0 MB in the beginning and 167.5 MB in the end (delta: -66.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.86 ms. Allocated memory is still 202.4 MB. Free memory was 167.5 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1911.17 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.8 MB in the beginning and 146.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3382.81 ms. Allocated memory was 234.4 MB in the beginning and 289.9 MB in the end (delta: 55.6 MB). Free memory was 146.6 MB in the beginning and 210.4 MB in the end (delta: -63.7 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 186 locations, 1 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 640 SDtfs, 354 SDslu, 1236 SDs, 0 SdLazy, 357 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 584 PreInvPairs, 628 NumberOfFragments, 535 HoareAnnotationTreeSize, 584 FomulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1760 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 18420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...