/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_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:32:51,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:32:51,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:32:51,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:32:51,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:32:51,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:32:51,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:32:51,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:32:51,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:32:51,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:32:51,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:32:51,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:32:51,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:32:51,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:32:51,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:32:51,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:32:51,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:32:51,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:32:51,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:32:51,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:32:51,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:32:51,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:32:51,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:32:51,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:32:51,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:32:51,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:32:51,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:32:51,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:32:51,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:32:51,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:32:51,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:32:51,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:32:51,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:32:51,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:32:51,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:32:51,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:32:51,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:32:51,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:32:51,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:32:51,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:32:51,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:32:51,210 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 04:32:51,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:32:51,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:32:51,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:32:51,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:32:51,226 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:32:51,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:32:51,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:32:51,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:32:51,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:32:51,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:32:51,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:32:51,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:32:51,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:32:51,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:32:51,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:32:51,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:32:51,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:32:51,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:32:51,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:32:51,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:32:51,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:32:51,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:32:51,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:32:51,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:32:51,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:32:51,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:32:51,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:32:51,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:32:51,230 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 04:32:51,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:32:51,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:32:51,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:32:51,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:32:51,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:32:51,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-11-07 04:32:51,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55986ed10/7a895b565857404cba55cb297ab656af/FLAG8613bd83b [2019-11-07 04:32:52,106 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:32:52,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-11-07 04:32:52,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55986ed10/7a895b565857404cba55cb297ab656af/FLAG8613bd83b [2019-11-07 04:32:52,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55986ed10/7a895b565857404cba55cb297ab656af [2019-11-07 04:32:52,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:32:52,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:32:52,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:52,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:32:52,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:32:52,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:52" (1/1) ... [2019-11-07 04:32:52,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9ed951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:52, skipping insertion in model container [2019-11-07 04:32:52,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:52" (1/1) ... [2019-11-07 04:32:52,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:32:52,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:32:53,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:53,024 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:32:53,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:53,147 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:32:53,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53 WrapperNode [2019-11-07 04:32:53,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:53,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:32:53,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:32:53,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:32:53,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (1/1) ... [2019-11-07 04:32:53,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:32:53,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:32:53,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:32:53,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:32:53,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (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 04:32:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:32:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:32:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:32:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:32:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:32:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:32:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:32:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:32:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:32:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:32:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:32:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:32:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:32:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:32:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:32:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:32:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:32:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:32:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:32:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:32:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:32:53,351 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:32:53,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:32:53,351 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:32:53,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:32:53,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:32:53,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:53,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:32:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:32:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:32:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:32:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:32:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:32:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:32:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:32:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:32:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:32:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:32:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:32:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:32:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:32:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:32:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:32:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:32:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:32:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:32:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:32:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:32:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:32:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:32:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:32:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:32:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:32:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:32:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:32:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:32:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:32:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:32:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:32:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:32:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:32:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:32:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:32:54,974 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:32:54,975 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:32:54,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:54 BoogieIcfgContainer [2019-11-07 04:32:54,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:32:54,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:32:54,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:32:54,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:32:54,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:32:52" (1/3) ... [2019-11-07 04:32:54,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533eae82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:54, skipping insertion in model container [2019-11-07 04:32:54,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:53" (2/3) ... [2019-11-07 04:32:54,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533eae82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:54, skipping insertion in model container [2019-11-07 04:32:54,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:54" (3/3) ... [2019-11-07 04:32:54,985 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2019-11-07 04:32:54,996 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:32:55,005 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:32:55,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:32:55,065 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:32:55,066 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:32:55,066 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:32:55,067 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:32:55,067 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:32:55,067 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:32:55,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:32:55,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:32:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-07 04:32:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:32:55,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:55,114 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 04:32:55,119 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1750909869, now seen corresponding path program 1 times [2019-11-07 04:32:55,136 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:55,137 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391846052] [2019-11-07 04:32:55,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:55,539 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 04:32:55,540 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391846052] [2019-11-07 04:32:55,541 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:55,542 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:32:55,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031607570] [2019-11-07 04:32:55,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:32:55,549 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:55,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:32:55,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:32:55,565 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-07 04:32:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:55,607 INFO L93 Difference]: Finished difference Result 215 states and 260 transitions. [2019-11-07 04:32:55,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:32:55,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:32:55,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:55,629 INFO L225 Difference]: With dead ends: 215 [2019-11-07 04:32:55,630 INFO L226 Difference]: Without dead ends: 108 [2019-11-07 04:32:55,644 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 04:32:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-07 04:32:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-07 04:32:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-07 04:32:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-11-07 04:32:55,694 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 42 [2019-11-07 04:32:55,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:55,694 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-11-07 04:32:55,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:32:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-11-07 04:32:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:32:55,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:55,698 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 04:32:55,699 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:55,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:55,699 INFO L82 PathProgramCache]: Analyzing trace with hash 2093643948, now seen corresponding path program 1 times [2019-11-07 04:32:55,700 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:55,700 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130857634] [2019-11-07 04:32:55,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:55,831 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 04:32:55,831 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130857634] [2019-11-07 04:32:55,831 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:55,832 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:55,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652820683] [2019-11-07 04:32:55,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:55,835 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:55,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:55,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:55,836 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2019-11-07 04:32:55,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:55,871 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2019-11-07 04:32:55,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:55,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:32:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:55,877 INFO L225 Difference]: With dead ends: 169 [2019-11-07 04:32:55,877 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:32:55,880 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 04:32:55,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:32:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-07 04:32:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:32:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2019-11-07 04:32:55,911 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 43 [2019-11-07 04:32:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:55,912 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2019-11-07 04:32:55,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2019-11-07 04:32:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:32:55,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:55,915 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] [2019-11-07 04:32:55,915 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1854267891, now seen corresponding path program 1 times [2019-11-07 04:32:55,916 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:55,917 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064945700] [2019-11-07 04:32:55,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:56,101 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 04:32:56,102 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064945700] [2019-11-07 04:32:56,103 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:56,103 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:32:56,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013882704] [2019-11-07 04:32:56,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:56,105 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:56,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:56,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:32:56,106 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 7 states. [2019-11-07 04:32:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:56,417 INFO L93 Difference]: Finished difference Result 178 states and 205 transitions. [2019-11-07 04:32:56,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:56,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-11-07 04:32:56,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:56,420 INFO L225 Difference]: With dead ends: 178 [2019-11-07 04:32:56,421 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:32:56,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:56,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:32:56,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-07 04:32:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:32:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2019-11-07 04:32:56,448 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 46 [2019-11-07 04:32:56,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:56,448 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2019-11-07 04:32:56,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2019-11-07 04:32:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 04:32:56,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:56,455 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, 1, 1, 1] [2019-11-07 04:32:56,461 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:56,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:56,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2080836931, now seen corresponding path program 1 times [2019-11-07 04:32:56,461 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:56,462 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047322187] [2019-11-07 04:32:56,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:56,658 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 04:32:56,658 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047322187] [2019-11-07 04:32:56,658 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:56,659 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:32:56,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320254583] [2019-11-07 04:32:56,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:32:56,660 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:56,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:32:56,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:56,660 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 10 states. [2019-11-07 04:32:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:57,279 INFO L93 Difference]: Finished difference Result 317 states and 374 transitions. [2019-11-07 04:32:57,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:32:57,281 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-11-07 04:32:57,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:57,285 INFO L225 Difference]: With dead ends: 317 [2019-11-07 04:32:57,285 INFO L226 Difference]: Without dead ends: 239 [2019-11-07 04:32:57,287 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 04:32:57,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-11-07 04:32:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2019-11-07 04:32:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-11-07 04:32:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 267 transitions. [2019-11-07 04:32:57,320 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 267 transitions. Word has length 59 [2019-11-07 04:32:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:57,321 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 267 transitions. [2019-11-07 04:32:57,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:32:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 267 transitions. [2019-11-07 04:32:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 04:32:57,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:57,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:57,324 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:57,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:57,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1495159023, now seen corresponding path program 1 times [2019-11-07 04:32:57,325 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:57,325 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545762240] [2019-11-07 04:32:57,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:57,409 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 04:32:57,409 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545762240] [2019-11-07 04:32:57,410 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:57,410 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:57,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896013853] [2019-11-07 04:32:57,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:57,411 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:57,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:57,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:57,412 INFO L87 Difference]: Start difference. First operand 231 states and 267 transitions. Second operand 3 states. [2019-11-07 04:32:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:57,432 INFO L93 Difference]: Finished difference Result 365 states and 431 transitions. [2019-11-07 04:32:57,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:57,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-11-07 04:32:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:57,435 INFO L225 Difference]: With dead ends: 365 [2019-11-07 04:32:57,435 INFO L226 Difference]: Without dead ends: 156 [2019-11-07 04:32:57,437 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-07 04:32:57,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-11-07 04:32:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-07 04:32:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 166 transitions. [2019-11-07 04:32:57,453 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 166 transitions. Word has length 65 [2019-11-07 04:32:57,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:57,454 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 166 transitions. [2019-11-07 04:32:57,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2019-11-07 04:32:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 04:32:57,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:57,456 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:57,456 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:57,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:57,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1170903721, now seen corresponding path program 1 times [2019-11-07 04:32:57,457 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:57,457 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866233240] [2019-11-07 04:32:57,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-07 04:32:57,612 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866233240] [2019-11-07 04:32:57,612 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205148472] [2019-11-07 04:32:57,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:57,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 04:32:57,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:32:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 04:32:57,901 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:32:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-07 04:32:58,122 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 04:32:58,122 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-11-07 04:32:58,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419539246] [2019-11-07 04:32:58,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:58,123 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:58,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:58,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:32:58,124 INFO L87 Difference]: Start difference. First operand 156 states and 166 transitions. Second operand 7 states. [2019-11-07 04:32:58,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:58,272 INFO L93 Difference]: Finished difference Result 158 states and 168 transitions. [2019-11-07 04:32:58,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:58,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2019-11-07 04:32:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:58,274 INFO L225 Difference]: With dead ends: 158 [2019-11-07 04:32:58,274 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:32:58,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:32:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:32:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:32:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:32:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:32:58,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-11-07 04:32:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:58,277 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:32:58,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:32:58,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:32:58,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:58,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:32:59,577 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2019-11-07 04:32:59,577 INFO L443 ceAbstractionStarter]: For program point L665(lines 642 666) no Hoare annotation was computed. [2019-11-07 04:32:59,577 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 653) no Hoare annotation was computed. [2019-11-07 04:32:59,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2019-11-07 04:32:59,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point L726(lines 699 727) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2019-11-07 04:32:59,578 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2019-11-07 04:32:59,579 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2019-11-07 04:32:59,579 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2019-11-07 04:32:59,579 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2019-11-07 04:32:59,579 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-11-07 04:32:59,579 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2019-11-07 04:32:59,579 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2019-11-07 04:32:59,579 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,580 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2019-11-07 04:32:59,580 INFO L439 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,580 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-11-07 04:32:59,580 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2019-11-07 04:32:59,580 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2019-11-07 04:32:59,580 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-11-07 04:32:59,581 INFO L439 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,581 INFO L439 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,581 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,581 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2019-11-07 04:32:59,581 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,581 INFO L439 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-07 04:32:59,582 INFO L439 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-11-07 04:32:59,582 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2019-11-07 04:32:59,583 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-11-07 04:32:59,584 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-07 04:32:59,585 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2019-11-07 04:32:59,585 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2019-11-07 04:32:59,585 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-11-07 04:32:59,585 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2019-11-07 04:32:59,585 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-11-07 04:32:59,585 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2019-11-07 04:32:59,585 INFO L443 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2019-11-07 04:32:59,585 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2019-11-07 04:32:59,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2019-11-07 04:32:59,589 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,589 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2019-11-07 04:32:59,589 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2019-11-07 04:32:59,589 INFO L446 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2019-11-07 04:32:59,589 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2019-11-07 04:32:59,590 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-11-07 04:32:59,590 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2019-11-07 04:32:59,590 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2019-11-07 04:32:59,590 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2019-11-07 04:32:59,590 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,590 INFO L439 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,590 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2019-11-07 04:32:59,591 INFO L439 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,591 INFO L443 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2019-11-07 04:32:59,591 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2019-11-07 04:32:59,591 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2019-11-07 04:32:59,591 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:59,591 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:59,591 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2019-11-07 04:32:59,592 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2019-11-07 04:32:59,592 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2019-11-07 04:32:59,592 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,592 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2019-11-07 04:32:59,592 INFO L439 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,592 INFO L439 ceAbstractionStarter]: At program point L416-2(lines 408 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:59,592 INFO L443 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2019-11-07 04:32:59,593 INFO L439 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:59,593 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2019-11-07 04:32:59,593 INFO L439 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:59,593 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2019-11-07 04:32:59,593 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2019-11-07 04:32:59,593 INFO L439 ceAbstractionStarter]: At program point L423(lines 378 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:59,594 INFO L439 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2019-11-07 04:32:59,594 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L806(lines 784 807) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 781) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L786(lines 785 805) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-11-07 04:32:59,595 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 823) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:59,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-11-07 04:32:59,596 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-11-07 04:32:59,596 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-11-07 04:32:59,597 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-11-07 04:32:59,597 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:59,597 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:32:59,597 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-11-07 04:32:59,597 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-11-07 04:32:59,597 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,597 INFO L443 ceAbstractionStarter]: For program point L188(lines 187 206) no Hoare annotation was computed. [2019-11-07 04:32:59,597 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-11-07 04:32:59,598 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2019-11-07 04:32:59,598 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2019-11-07 04:32:59,598 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-11-07 04:32:59,598 INFO L439 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-11-07 04:32:59,598 INFO L446 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2019-11-07 04:32:59,598 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2019-11-07 04:32:59,598 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2019-11-07 04:32:59,598 INFO L446 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2019-11-07 04:32:59,598 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-11-07 04:32:59,598 INFO L443 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L446 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:59,599 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:32:59,599 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2019-11-07 04:32:59,600 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-11-07 04:32:59,600 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-11-07 04:32:59,600 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:59,600 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-11-07 04:32:59,600 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2019-11-07 04:32:59,600 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2019-11-07 04:32:59,601 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-11-07 04:32:59,601 INFO L439 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,601 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2019-11-07 04:32:59,601 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-11-07 04:32:59,601 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2019-11-07 04:32:59,601 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:59,601 INFO L439 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:59,601 INFO L443 ceAbstractionStarter]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2019-11-07 04:32:59,602 INFO L439 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,602 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:59,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:32:59 BoogieIcfgContainer [2019-11-07 04:32:59,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:32:59,619 INFO L168 Benchmark]: Toolchain (without parser) took 7146.59 ms. Allocated memory was 145.8 MB in the beginning and 287.3 MB in the end (delta: 141.6 MB). Free memory was 102.4 MB in the beginning and 224.9 MB in the end (delta: -122.5 MB). Peak memory consumption was 155.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,620 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.73 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 169.4 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,622 INFO L168 Benchmark]: Boogie Preprocessor took 120.67 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,622 INFO L168 Benchmark]: RCFGBuilder took 1706.57 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 150.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,624 INFO L168 Benchmark]: TraceAbstraction took 4638.64 ms. Allocated memory was 236.5 MB in the beginning and 287.3 MB in the end (delta: 50.9 MB). Free memory was 149.2 MB in the beginning and 224.9 MB in the end (delta: -75.7 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:59,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.73 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 169.4 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.67 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1706.57 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 150.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4638.64 ms. Allocated memory was 236.5 MB in the beginning and 287.3 MB in the end (delta: 50.9 MB). Free memory was 149.2 MB in the beginning and 224.9 MB in the end (delta: -75.7 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 180 locations, 1 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 637 SDtfs, 375 SDslu, 1289 SDs, 0 SdLazy, 478 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 383 PreInvPairs, 404 NumberOfFragments, 649 HoareAnnotationTreeSize, 383 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 999 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 544 ConstructedInterpolants, 0 QuantifiedInterpolants, 72744 SizeOfPredicates, 2 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 95/99 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...