/usr/bin/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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:28:43,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:28:43,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:28:43,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:28:43,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:28:43,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:28:43,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:28:43,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:28:43,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:28:43,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:28:43,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:28:43,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:28:43,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:28:43,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:28:43,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:28:43,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:28:43,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:28:43,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:28:43,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:28:43,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:28:43,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:28:43,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:28:43,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:28:43,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:28:43,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:28:43,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:28:43,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:28:43,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:28:43,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:28:43,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:28:43,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:28:43,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:28:43,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:28:43,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:28:43,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:28:43,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:28:43,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:28:43,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:28:43,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:28:43,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:28:43,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:28:43,845 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 [2019-11-07 04:28:43,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:28:43,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:28:43,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:28:43,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:28:43,861 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:28:43,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:28:43,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:28:43,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:28:43,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:28:43,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:28:43,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:28:43,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:28:43,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:28:43,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:28:43,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:28:43,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:28:43,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:43,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:28:43,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:28:43,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:28:43,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:28:43,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:28:43,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:28:43,866 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 [2019-11-07 04:28:44,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:28:44,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:28:44,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:28:44,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:28:44,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:28:44,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-11-07 04:28:44,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515647282/0d66bde8a5b74c6e898a70a91c2851ed/FLAGf225eeb78 [2019-11-07 04:28:44,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:28:44,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-11-07 04:28:44,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515647282/0d66bde8a5b74c6e898a70a91c2851ed/FLAGf225eeb78 [2019-11-07 04:28:45,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515647282/0d66bde8a5b74c6e898a70a91c2851ed [2019-11-07 04:28:45,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:28:45,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:28:45,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:45,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:28:45,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:28:45,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:45,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497ae45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45, skipping insertion in model container [2019-11-07 04:28:45,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:45,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:28:45,252 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:28:45,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:45,831 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:28:45,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:45,980 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:28:45,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45 WrapperNode [2019-11-07 04:28:45,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:45,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:28:45,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:28:45,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:28:45,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:45,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (1/1) ... [2019-11-07 04:28:46,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:28:46,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:28:46,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:28:46,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:28:46,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (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 [2019-11-07 04:28:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:28:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:28:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:28:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:28:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:28:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:28:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:28:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:28:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:28:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:28:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:28:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:28:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:28:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:28:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:28:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:28:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:28:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:28:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:28:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:28:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:28:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:28:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:28:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:28:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:28:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:28:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:28:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:28:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:28:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:28:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:28:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:28:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:28:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:28:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:28:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:28:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:28:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:28:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:28:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:28:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:28:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:28:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:28:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:28:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:28:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:28:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:28:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:28:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:28:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:28:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:28:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:28:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:28:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:28:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:28:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:28:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:28:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:28:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:28:48,095 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:28:48,095 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:28:48,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:48 BoogieIcfgContainer [2019-11-07 04:28:48,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:28:48,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:28:48,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:28:48,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:28:48,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:45" (1/3) ... [2019-11-07 04:28:48,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e60c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:48, skipping insertion in model container [2019-11-07 04:28:48,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:45" (2/3) ... [2019-11-07 04:28:48,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e60c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:48, skipping insertion in model container [2019-11-07 04:28:48,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:48" (3/3) ... [2019-11-07 04:28:48,108 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2019-11-07 04:28:48,118 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:28:48,128 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:28:48,140 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:28:48,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:28:48,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:28:48,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:28:48,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:28:48,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:28:48,168 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:28:48,168 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:28:48,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:28:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-11-07 04:28:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:28:48,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:48,199 INFO L410 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] [2019-11-07 04:28:48,201 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:48,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:48,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2080855105, now seen corresponding path program 1 times [2019-11-07 04:28:48,217 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:48,218 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244478778] [2019-11-07 04:28:48,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:48,568 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244478778] [2019-11-07 04:28:48,570 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:48,570 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:28:48,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387388176] [2019-11-07 04:28:48,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:28:48,578 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:48,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:28:48,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:48,599 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-11-07 04:28:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:48,642 INFO L93 Difference]: Finished difference Result 175 states and 210 transitions. [2019-11-07 04:28:48,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:28:48,644 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:28:48,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:48,663 INFO L225 Difference]: With dead ends: 175 [2019-11-07 04:28:48,663 INFO L226 Difference]: Without dead ends: 88 [2019-11-07 04:28:48,675 INFO L630 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 [2019-11-07 04:28:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-07 04:28:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-11-07 04:28:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-07 04:28:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2019-11-07 04:28:48,741 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 42 [2019-11-07 04:28:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:48,742 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2019-11-07 04:28:48,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:28:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2019-11-07 04:28:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:28:48,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:48,746 INFO L410 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] [2019-11-07 04:28:48,747 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash 183736640, now seen corresponding path program 1 times [2019-11-07 04:28:48,747 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:48,748 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118362924] [2019-11-07 04:28:48,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:48,871 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118362924] [2019-11-07 04:28:48,871 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:48,871 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:28:48,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229162839] [2019-11-07 04:28:48,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:28:48,875 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:28:48,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:48,877 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 3 states. [2019-11-07 04:28:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:48,910 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2019-11-07 04:28:48,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:28:48,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:28:48,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:48,918 INFO L225 Difference]: With dead ends: 133 [2019-11-07 04:28:48,918 INFO L226 Difference]: Without dead ends: 80 [2019-11-07 04:28:48,920 INFO L630 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 [2019-11-07 04:28:48,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-11-07 04:28:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-11-07 04:28:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-07 04:28:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2019-11-07 04:28:48,946 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2019-11-07 04:28:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:48,947 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2019-11-07 04:28:48,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:28:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2019-11-07 04:28:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 04:28:48,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:48,952 INFO L410 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] [2019-11-07 04:28:48,954 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:48,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash -161214039, now seen corresponding path program 1 times [2019-11-07 04:28:48,955 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:48,955 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151797238] [2019-11-07 04:28:48,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:49,182 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151797238] [2019-11-07 04:28:49,182 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:49,182 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:49,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387229274] [2019-11-07 04:28:49,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:49,184 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:49,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:49,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:49,185 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 7 states. [2019-11-07 04:28:49,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:49,491 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2019-11-07 04:28:49,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:49,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-11-07 04:28:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:49,494 INFO L225 Difference]: With dead ends: 138 [2019-11-07 04:28:49,494 INFO L226 Difference]: Without dead ends: 80 [2019-11-07 04:28:49,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:28:49,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-11-07 04:28:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-11-07 04:28:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-07 04:28:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-11-07 04:28:49,505 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 45 [2019-11-07 04:28:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:49,506 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-11-07 04:28:49,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-11-07 04:28:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:28:49,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:49,508 INFO L410 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] [2019-11-07 04:28:49,508 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:49,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1802629828, now seen corresponding path program 1 times [2019-11-07 04:28:49,509 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:49,509 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281355334] [2019-11-07 04:28:49,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:49,636 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281355334] [2019-11-07 04:28:49,636 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:49,637 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:49,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787361176] [2019-11-07 04:28:49,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:49,638 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:49,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:49,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:49,638 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 6 states. [2019-11-07 04:28:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:49,826 INFO L93 Difference]: Finished difference Result 189 states and 213 transitions. [2019-11-07 04:28:49,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:49,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-07 04:28:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:49,831 INFO L225 Difference]: With dead ends: 189 [2019-11-07 04:28:49,831 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 04:28:49,832 INFO L630 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 [2019-11-07 04:28:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 04:28:49,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2019-11-07 04:28:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-07 04:28:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2019-11-07 04:28:49,851 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 53 [2019-11-07 04:28:49,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:49,851 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2019-11-07 04:28:49,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2019-11-07 04:28:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:28:49,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:49,854 INFO L410 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] [2019-11-07 04:28:49,854 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:49,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:49,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1351808519, now seen corresponding path program 1 times [2019-11-07 04:28:49,855 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:49,855 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744868082] [2019-11-07 04:28:49,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:49,999 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744868082] [2019-11-07 04:28:49,999 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:49,999 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:50,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878922820] [2019-11-07 04:28:50,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:50,000 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:50,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:50,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:50,001 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand 7 states. [2019-11-07 04:28:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:50,314 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2019-11-07 04:28:50,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:50,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:28:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:50,317 INFO L225 Difference]: With dead ends: 199 [2019-11-07 04:28:50,318 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:28:50,321 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:28:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:28:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:28:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:28:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:28:50,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-07 04:28:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:50,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:28:50,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:28:50,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:28:50,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:28:51,020 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 156) no Hoare annotation was computed. [2019-11-07 04:28:51,020 INFO L443 ceAbstractionStarter]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2019-11-07 04:28:51,020 INFO L443 ceAbstractionStarter]: For program point L168(lines 145 169) no Hoare annotation was computed. [2019-11-07 04:28:51,020 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2019-11-07 04:28:51,020 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L443 ceAbstractionStarter]: For program point L229(lines 202 230) no Hoare annotation was computed. [2019-11-07 04:28:51,021 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2019-11-07 04:28:51,022 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2019-11-07 04:28:51,022 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2019-11-07 04:28:51,022 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2019-11-07 04:28:51,022 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,022 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2019-11-07 04:28:51,022 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,022 INFO L439 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,023 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-11-07 04:28:51,023 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2019-11-07 04:28:51,023 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-07 04:28:51,023 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,023 INFO L439 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,024 INFO L439 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-11-07 04:28:51,024 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-07 04:28:51,025 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-07 04:28:51,026 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-11-07 04:28:51,026 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-07 04:28:51,026 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2019-11-07 04:28:51,026 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2019-11-07 04:28:51,026 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2019-11-07 04:28:51,026 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2019-11-07 04:28:51,026 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2019-11-07 04:28:51,027 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2019-11-07 04:28:51,027 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2019-11-07 04:28:51,028 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L443 ceAbstractionStarter]: For program point L634-1(line 634) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2019-11-07 04:28:51,029 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L439 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,029 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2019-11-07 04:28:51,029 INFO L439 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,030 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2019-11-07 04:28:51,030 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,030 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 604) no Hoare annotation was computed. [2019-11-07 04:28:51,030 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,030 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,030 INFO L443 ceAbstractionStarter]: For program point L594-1(line 594) no Hoare annotation was computed. [2019-11-07 04:28:51,030 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 609) no Hoare annotation was computed. [2019-11-07 04:28:51,031 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2019-11-07 04:28:51,031 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2019-11-07 04:28:51,031 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,031 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2019-11-07 04:28:51,031 INFO L439 ceAbstractionStarter]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,031 INFO L439 ceAbstractionStarter]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,031 INFO L443 ceAbstractionStarter]: For program point L806(lines 805 850) no Hoare annotation was computed. [2019-11-07 04:28:51,032 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,032 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-11-07 04:28:51,032 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2019-11-07 04:28:51,032 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,032 INFO L439 ceAbstractionStarter]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:51,032 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 821) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2019-11-07 04:28:51,033 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L289(lines 288 308) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 326) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-11-07 04:28:51,034 INFO L443 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point L309(lines 287 310) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 284) no Hoare annotation was computed. [2019-11-07 04:28:51,035 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2019-11-07 04:28:51,036 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:51,037 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:28:51,037 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: true [2019-11-07 04:28:51,037 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2019-11-07 04:28:51,037 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2019-11-07 04:28:51,037 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2019-11-07 04:28:51,037 INFO L439 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,037 INFO L439 ceAbstractionStarter]: At program point L567(lines 567 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,038 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,038 INFO L443 ceAbstractionStarter]: For program point L560(lines 559 578) no Hoare annotation was computed. [2019-11-07 04:28:51,038 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,038 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2019-11-07 04:28:51,038 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2019-11-07 04:28:51,038 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2019-11-07 04:28:51,038 INFO L446 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2019-11-07 04:28:51,039 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2019-11-07 04:28:51,039 INFO L446 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2019-11-07 04:28:51,039 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-11-07 04:28:51,039 INFO L446 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2019-11-07 04:28:51,039 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-07 04:28:51,039 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-11-07 04:28:51,039 INFO L446 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2019-11-07 04:28:51,040 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2019-11-07 04:28:51,040 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2019-11-07 04:28:51,040 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2019-11-07 04:28:51,040 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2019-11-07 04:28:51,040 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:51,040 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:28:51,040 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:51,041 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:28:51,041 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2019-11-07 04:28:51,041 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: true [2019-11-07 04:28:51,041 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2019-11-07 04:28:51,041 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2019-11-07 04:28:51,041 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-07 04:28:51,041 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-11-07 04:28:51,041 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-07 04:28:51,042 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-11-07 04:28:51,042 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-11-07 04:28:51,042 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-11-07 04:28:51,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:28:51 BoogieIcfgContainer [2019-11-07 04:28:51,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:28:51,061 INFO L168 Benchmark]: Toolchain (without parser) took 5954.26 ms. Allocated memory was 137.9 MB in the beginning and 249.6 MB in the end (delta: 111.7 MB). Free memory was 101.3 MB in the beginning and 127.0 MB in the end (delta: -25.7 MB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,062 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.50 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,064 INFO L168 Benchmark]: Boogie Preprocessor took 104.34 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,065 INFO L168 Benchmark]: RCFGBuilder took 2011.76 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 148.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,066 INFO L168 Benchmark]: TraceAbstraction took 2958.80 ms. Allocated memory was 233.8 MB in the beginning and 249.6 MB in the end (delta: 15.7 MB). Free memory was 147.4 MB in the beginning and 127.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:51,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 871.50 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.34 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2011.76 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 148.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2958.80 ms. Allocated memory was 233.8 MB in the beginning and 249.6 MB in the end (delta: 15.7 MB). Free memory was 147.4 MB in the beginning and 127.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 166 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 423 SDtfs, 185 SDslu, 641 SDs, 0 SdLazy, 277 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 221 PreInvPairs, 233 NumberOfFragments, 413 HoareAnnotationTreeSize, 221 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 703 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 20768 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...