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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:18,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:18,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:18,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:18,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:18,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:18,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:18,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:18,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:18,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:18,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:18,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:18,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:18,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:18,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:18,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:18,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:18,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:18,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:18,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:18,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:18,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:18,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:18,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:18,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:18,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:18,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:18,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:18,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:18,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:18,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:18,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:18,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:18,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:18,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:18,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:18,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:18,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:18,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:18,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:18,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:18,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:19:18,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:18,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:18,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:18,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:18,205 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:18,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:18,206 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:18,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:18,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:18,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:18,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:18,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:18,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:18,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:18,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:18,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:18,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:18,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:18,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:18,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:18,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:18,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:18,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:18,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:18,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:18,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:18,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:18,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:18,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:19:18,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:18,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:18,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:18,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:18,522 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:18,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-07 15:19:18,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401217db0/a4d91b82d8a344af8b0c1c762850fdee/FLAG9b1e39b1b [2019-10-07 15:19:19,195 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:19,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-07 15:19:19,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401217db0/a4d91b82d8a344af8b0c1c762850fdee/FLAG9b1e39b1b [2019-10-07 15:19:19,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401217db0/a4d91b82d8a344af8b0c1c762850fdee [2019-10-07 15:19:19,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:19,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:19,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:19,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:19,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:19,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:19" (1/1) ... [2019-10-07 15:19:19,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e60383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:19, skipping insertion in model container [2019-10-07 15:19:19,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:19" (1/1) ... [2019-10-07 15:19:19,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:19,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:19,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:19,991 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:20,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:20,179 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:20,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20 WrapperNode [2019-10-07 15:19:20,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:20,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:20,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:20,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:20,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... [2019-10-07 15:19:20,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:20,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:20,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:20,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:20,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:19:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:22,100 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:22,100 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:22,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:22 BoogieIcfgContainer [2019-10-07 15:19:22,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:22,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:22,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:22,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:22,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:19" (1/3) ... [2019-10-07 15:19:22,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557cd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:22, skipping insertion in model container [2019-10-07 15:19:22,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:20" (2/3) ... [2019-10-07 15:19:22,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557cd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:22, skipping insertion in model container [2019-10-07 15:19:22,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:22" (3/3) ... [2019-10-07 15:19:22,110 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-07 15:19:22,120 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:22,129 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:22,141 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:22,169 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:22,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:22,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:22,169 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:22,170 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:22,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:22,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:22,170 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-07 15:19:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:22,202 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:22,203 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:22,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:22,212 INFO L82 PathProgramCache]: Analyzing trace with hash -877167753, now seen corresponding path program 1 times [2019-10-07 15:19:22,221 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:22,221 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,221 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:22,617 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,618 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:22,618 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:22,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:22,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:22,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:22,641 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-07 15:19:22,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:22,700 INFO L93 Difference]: Finished difference Result 227 states and 278 transitions. [2019-10-07 15:19:22,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:22,702 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:22,713 INFO L225 Difference]: With dead ends: 227 [2019-10-07 15:19:22,713 INFO L226 Difference]: Without dead ends: 114 [2019-10-07 15:19:22,717 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:22,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-07 15:19:22,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-07 15:19:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-07 15:19:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-07 15:19:22,770 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 42 [2019-10-07 15:19:22,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:22,771 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-07 15:19:22,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-07 15:19:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:22,777 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:22,777 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:22,777 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:22,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:22,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2041903757, now seen corresponding path program 1 times [2019-10-07 15:19:22,779 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:22,779 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,779 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,779 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:22,958 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,958 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:22,958 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:22,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:22,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:22,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:22,961 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-10-07 15:19:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:23,004 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-10-07 15:19:23,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:23,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:23,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:23,011 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:19:23,013 INFO L226 Difference]: Without dead ends: 106 [2019-10-07 15:19:23,014 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-07 15:19:23,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-07 15:19:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-07 15:19:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-07 15:19:23,040 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 43 [2019-10-07 15:19:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:23,041 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-07 15:19:23,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-07 15:19:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:19:23,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:23,046 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:23,047 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash 259008838, now seen corresponding path program 1 times [2019-10-07 15:19:23,049 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:23,049 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:23,049 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:23,049 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:23,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:23,294 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:23,294 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:23,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:23,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:23,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:23,297 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2019-10-07 15:19:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:23,781 INFO L93 Difference]: Finished difference Result 319 states and 382 transitions. [2019-10-07 15:19:23,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:23,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:19:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:23,788 INFO L225 Difference]: With dead ends: 319 [2019-10-07 15:19:23,789 INFO L226 Difference]: Without dead ends: 235 [2019-10-07 15:19:23,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-10-07 15:19:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2019-10-07 15:19:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-07 15:19:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 266 transitions. [2019-10-07 15:19:23,837 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 266 transitions. Word has length 47 [2019-10-07 15:19:23,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:23,838 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 266 transitions. [2019-10-07 15:19:23,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 266 transitions. [2019-10-07 15:19:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:23,841 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:23,841 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:23,841 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:23,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:23,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1209210426, now seen corresponding path program 1 times [2019-10-07 15:19:23,842 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:23,842 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:23,842 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:23,842 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:24,008 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:24,008 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:24,008 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:24,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:24,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:24,010 INFO L87 Difference]: Start difference. First operand 223 states and 266 transitions. Second operand 10 states. [2019-10-07 15:19:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:24,708 INFO L93 Difference]: Finished difference Result 787 states and 986 transitions. [2019-10-07 15:19:24,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:24,709 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:24,715 INFO L225 Difference]: With dead ends: 787 [2019-10-07 15:19:24,715 INFO L226 Difference]: Without dead ends: 586 [2019-10-07 15:19:24,720 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:19:24,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-10-07 15:19:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 562. [2019-10-07 15:19:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2019-10-07 15:19:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 689 transitions. [2019-10-07 15:19:24,794 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 689 transitions. Word has length 51 [2019-10-07 15:19:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:24,795 INFO L462 AbstractCegarLoop]: Abstraction has 562 states and 689 transitions. [2019-10-07 15:19:24,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 689 transitions. [2019-10-07 15:19:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:19:24,801 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:24,801 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:24,808 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:24,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1574456267, now seen corresponding path program 1 times [2019-10-07 15:19:24,810 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:24,810 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:24,812 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:24,812 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:24,918 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:24,918 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:24,919 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:24,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:24,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:24,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:24,920 INFO L87 Difference]: Start difference. First operand 562 states and 689 transitions. Second operand 4 states. [2019-10-07 15:19:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:25,117 INFO L93 Difference]: Finished difference Result 934 states and 1183 transitions. [2019-10-07 15:19:25,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:25,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2019-10-07 15:19:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:25,127 INFO L225 Difference]: With dead ends: 934 [2019-10-07 15:19:25,128 INFO L226 Difference]: Without dead ends: 394 [2019-10-07 15:19:25,132 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:19:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-07 15:19:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 382. [2019-10-07 15:19:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-10-07 15:19:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 429 transitions. [2019-10-07 15:19:25,195 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 429 transitions. Word has length 57 [2019-10-07 15:19:25,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:25,196 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 429 transitions. [2019-10-07 15:19:25,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2019-10-07 15:19:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:19:25,200 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:25,200 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:25,201 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:25,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash -480284968, now seen corresponding path program 1 times [2019-10-07 15:19:25,201 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:25,202 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:25,202 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:25,202 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:25,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:19:25,374 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:25,374 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:25,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:25,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:19:25,711 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:25,832 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:25,833 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:25,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:25,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:25,835 INFO L87 Difference]: Start difference. First operand 382 states and 429 transitions. Second operand 7 states. [2019-10-07 15:19:25,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:25,981 INFO L93 Difference]: Finished difference Result 388 states and 435 transitions. [2019-10-07 15:19:25,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:25,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-07 15:19:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:25,983 INFO L225 Difference]: With dead ends: 388 [2019-10-07 15:19:25,983 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:25,984 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:25,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:25,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:19:25,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:25,986 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:25,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:25,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:26,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:26,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:26,963 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:27,679 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2019-10-07 15:19:27,679 INFO L443 ceAbstractionStarter]: For program point L409(lines 386 410) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 397) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point L470(lines 443 471) no Hoare annotation was computed. [2019-10-07 15:19:27,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-07 15:19:27,681 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-07 15:19:27,682 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-07 15:19:27,682 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-07 15:19:27,682 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-07 15:19:27,682 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-07 15:19:27,682 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:27,682 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-07 15:19:27,683 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:27,683 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-07 15:19:27,683 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-07 15:19:27,683 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:19:27,686 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:19:27,686 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-07 15:19:27,686 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-07 15:19:27,687 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,687 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2019-10-07 15:19:27,687 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,688 INFO L439 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,689 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-07 15:19:27,689 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2019-10-07 15:19:27,689 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-07 15:19:27,689 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,689 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,689 INFO L439 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,689 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2019-10-07 15:19:27,690 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-07 15:19:27,691 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2019-10-07 15:19:27,691 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-07 15:19:27,691 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-07 15:19:27,691 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-07 15:19:27,697 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-07 15:19:27,697 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-07 15:19:27,697 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-07 15:19:27,697 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-07 15:19:27,697 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-07 15:19:27,698 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,698 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-07 15:19:27,698 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,698 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,698 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-07 15:19:27,698 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,698 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,699 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-07 15:19:27,699 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-07 15:19:27,699 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-07 15:19:27,699 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2019-10-07 15:19:27,699 INFO L439 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:27,699 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-07 15:19:27,699 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,700 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2019-10-07 15:19:27,700 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2019-10-07 15:19:27,700 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-07 15:19:27,700 INFO L443 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2019-10-07 15:19:27,700 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2019-10-07 15:19:27,700 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2019-10-07 15:19:27,700 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-07 15:19:27,700 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2019-10-07 15:19:27,701 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2019-10-07 15:19:27,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2019-10-07 15:19:27,702 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,702 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-07 15:19:27,702 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2019-10-07 15:19:27,702 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2019-10-07 15:19:27,702 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2019-10-07 15:19:27,702 INFO L446 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2019-10-07 15:19:27,703 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-10-07 15:19:27,703 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2019-10-07 15:19:27,703 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2019-10-07 15:19:27,703 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,703 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2019-10-07 15:19:27,703 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2019-10-07 15:19:27,703 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,703 INFO L439 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,704 INFO L439 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,704 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-10-07 15:19:27,704 INFO L439 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:27,704 INFO L443 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2019-10-07 15:19:27,704 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-10-07 15:19:27,704 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2019-10-07 15:19:27,704 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2019-10-07 15:19:27,705 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,705 INFO L439 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,705 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2019-10-07 15:19:27,705 INFO L439 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,705 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-07 15:19:27,705 INFO L439 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,706 INFO L443 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-10-07 15:19:27,706 INFO L439 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,706 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-10-07 15:19:27,706 INFO L439 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,706 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-10-07 15:19:27,706 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2019-10-07 15:19:27,706 INFO L439 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,707 INFO L439 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2019-10-07 15:19:27,707 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-07 15:19:27,708 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point L545-1(line 545) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 508) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point L550(lines 528 551) no Hoare annotation was computed. [2019-10-07 15:19:27,709 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 525) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point L530(lines 529 549) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 567) no Hoare annotation was computed. [2019-10-07 15:19:27,710 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 787) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point L779(line 779) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-07 15:19:27,711 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2019-10-07 15:19:27,712 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2019-10-07 15:19:27,712 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2019-10-07 15:19:27,713 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: true [2019-10-07 15:19:27,713 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2019-10-07 15:19:27,713 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:27,713 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:27,713 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:27,713 INFO L439 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:27,713 INFO L439 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:27,714 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:27,714 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2019-10-07 15:19:27,714 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2019-10-07 15:19:27,714 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2019-10-07 15:19:27,714 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2019-10-07 15:19:27,714 INFO L446 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2019-10-07 15:19:27,714 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2019-10-07 15:19:27,715 INFO L446 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2019-10-07 15:19:27,715 INFO L443 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2019-10-07 15:19:27,715 INFO L446 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2019-10-07 15:19:27,717 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-07 15:19:27,718 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-07 15:19:27,718 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2019-10-07 15:19:27,718 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2019-10-07 15:19:27,719 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2019-10-07 15:19:27,719 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2019-10-07 15:19:27,719 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2019-10-07 15:19:27,719 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2019-10-07 15:19:27,719 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2019-10-07 15:19:27,719 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:27,719 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:27,719 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:27,720 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:27,720 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2019-10-07 15:19:27,720 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: true [2019-10-07 15:19:27,720 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2019-10-07 15:19:27,720 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:27,720 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2019-10-07 15:19:27,720 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2019-10-07 15:19:27,721 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-07 15:19:27,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:27 BoogieIcfgContainer [2019-10-07 15:19:27,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:27,752 INFO L168 Benchmark]: Toolchain (without parser) took 8258.07 ms. Allocated memory was 144.7 MB in the beginning and 289.4 MB in the end (delta: 144.7 MB). Free memory was 101.8 MB in the beginning and 102.6 MB in the end (delta: -769.4 kB). Peak memory consumption was 160.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,753 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.94 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 168.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,757 INFO L168 Benchmark]: Boogie Preprocessor took 139.95 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,759 INFO L168 Benchmark]: RCFGBuilder took 1781.49 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 147.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,767 INFO L168 Benchmark]: TraceAbstraction took 5645.95 ms. Allocated memory was 234.4 MB in the beginning and 289.4 MB in the end (delta: 55.1 MB). Free memory was 147.2 MB in the beginning and 102.6 MB in the end (delta: 44.7 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:27,776 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.94 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 168.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.95 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1781.49 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 147.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5645.95 ms. Allocated memory was 234.4 MB in the beginning and 289.4 MB in the end (delta: 55.1 MB). Free memory was 147.2 MB in the beginning and 102.6 MB in the end (delta: 44.7 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 193 locations, 1 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 724 SDtfs, 578 SDslu, 1621 SDs, 0 SdLazy, 624 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 725 PreInvPairs, 786 NumberOfFragments, 598 HoareAnnotationTreeSize, 725 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3148 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 52091 SizeOfPredicates, 2 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 60/63 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...