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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:10,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:10,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:10,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:10,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:10,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:10,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:10,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:10,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:10,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:10,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:10,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:10,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:10,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:10,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:10,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:10,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:10,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:10,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:10,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:10,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:10,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:10,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:10,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:10,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:10,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:10,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:10,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:10,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:10,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:10,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:10,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:10,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:10,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:10,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:10,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:10,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:10,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:10,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:10,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:10,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:10,349 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 15:19:10,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:10,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:10,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:10,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:10,372 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:10,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:10,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:10,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:10,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:10,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:10,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:10,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:10,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:10,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:10,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:10,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:10,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:10,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:10,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:10,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:10,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:10,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:10,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:10,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:10,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:10,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:10,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:10,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:10,378 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 15:19:10,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:10,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:10,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:10,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:10,690 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:10,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-07 15:19:10,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a8c3ba/98301997c86d4fa9a90bf65fa2613ccd/FLAG84415ddf7 [2019-10-07 15:19:11,316 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:11,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-07 15:19:11,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a8c3ba/98301997c86d4fa9a90bf65fa2613ccd/FLAG84415ddf7 [2019-10-07 15:19:11,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2a8c3ba/98301997c86d4fa9a90bf65fa2613ccd [2019-10-07 15:19:11,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:11,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:11,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:11,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:11,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:11,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:11" (1/1) ... [2019-10-07 15:19:11,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d974c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:11, skipping insertion in model container [2019-10-07 15:19:11,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:11" (1/1) ... [2019-10-07 15:19:11,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:11,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:12,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:12,142 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:12,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:12,275 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:12,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12 WrapperNode [2019-10-07 15:19:12,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:12,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:12,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:12,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:12,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:12,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:12,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:12,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:12,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (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 15:19:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:19:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:19:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:14,072 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:14,072 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:14,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14 BoogieIcfgContainer [2019-10-07 15:19:14,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:14,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:14,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:14,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:14,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:11" (1/3) ... [2019-10-07 15:19:14,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792ca2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (2/3) ... [2019-10-07 15:19:14,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792ca2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14" (3/3) ... [2019-10-07 15:19:14,083 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-10-07 15:19:14,093 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:14,103 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:14,117 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:14,148 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:14,148 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:14,148 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:14,148 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:14,149 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:14,149 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:14,149 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:14,149 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-07 15:19:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:14,182 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:14,184 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 15:19:14,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:14,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash -734359069, now seen corresponding path program 1 times [2019-10-07 15:19:14,202 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:14,203 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:14,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:14,587 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 15:19:14,588 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:14,589 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:14,589 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:14,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:14,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:14,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:14,613 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-07 15:19:14,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:14,699 INFO L93 Difference]: Finished difference Result 227 states and 278 transitions. [2019-10-07 15:19:14,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:14,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:14,733 INFO L225 Difference]: With dead ends: 227 [2019-10-07 15:19:14,734 INFO L226 Difference]: Without dead ends: 114 [2019-10-07 15:19:14,743 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 15:19:14,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-07 15:19:14,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-07 15:19:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-07 15:19:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-07 15:19:14,831 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 42 [2019-10-07 15:19:14,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:14,832 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-07 15:19:14,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-07 15:19:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:14,840 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:14,841 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] [2019-10-07 15:19:14,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:14,843 INFO L82 PathProgramCache]: Analyzing trace with hash 244626836, now seen corresponding path program 1 times [2019-10-07 15:19:14,843 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:14,843 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:14,843 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,844 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:14,986 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 15:19:14,986 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:14,987 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:14,987 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:14,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:14,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:14,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:14,991 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-10-07 15:19:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,018 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-10-07 15:19:15,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:15,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,024 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:19:15,024 INFO L226 Difference]: Without dead ends: 106 [2019-10-07 15:19:15,026 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 15:19:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-07 15:19:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-07 15:19:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-07 15:19:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-07 15:19:15,041 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 43 [2019-10-07 15:19:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,041 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-07 15:19:15,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-07 15:19:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:19:15,044 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,044 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 15:19:15,044 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1450312421, now seen corresponding path program 1 times [2019-10-07 15:19:15,045 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,045 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,285 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 15:19:15,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,286 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,286 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:15,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:15,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:15,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:15,290 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2019-10-07 15:19:15,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,742 INFO L93 Difference]: Finished difference Result 319 states and 382 transitions. [2019-10-07 15:19:15,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:15,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:19:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,751 INFO L225 Difference]: With dead ends: 319 [2019-10-07 15:19:15,752 INFO L226 Difference]: Without dead ends: 235 [2019-10-07 15:19:15,753 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 15:19:15,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-10-07 15:19:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2019-10-07 15:19:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-07 15:19:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 266 transitions. [2019-10-07 15:19:15,812 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 266 transitions. Word has length 47 [2019-10-07 15:19:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,812 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 266 transitions. [2019-10-07 15:19:15,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 266 transitions. [2019-10-07 15:19:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:15,815 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,815 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 15:19:15,815 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1946173737, now seen corresponding path program 1 times [2019-10-07 15:19:15,816 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,816 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,817 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,935 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 15:19:15,935 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,936 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,936 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:15,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:15,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:15,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:15,937 INFO L87 Difference]: Start difference. First operand 223 states and 266 transitions. Second operand 10 states. [2019-10-07 15:19:16,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:16,537 INFO L93 Difference]: Finished difference Result 787 states and 986 transitions. [2019-10-07 15:19:16,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:16,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:16,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:16,545 INFO L225 Difference]: With dead ends: 787 [2019-10-07 15:19:16,545 INFO L226 Difference]: Without dead ends: 586 [2019-10-07 15:19:16,548 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 15:19:16,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-10-07 15:19:16,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 562. [2019-10-07 15:19:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2019-10-07 15:19:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 689 transitions. [2019-10-07 15:19:16,609 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 689 transitions. Word has length 51 [2019-10-07 15:19:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:16,610 INFO L462 AbstractCegarLoop]: Abstraction has 562 states and 689 transitions. [2019-10-07 15:19:16,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 689 transitions. [2019-10-07 15:19:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:16,614 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:16,614 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:16,615 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:16,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1156230479, now seen corresponding path program 1 times [2019-10-07 15:19:16,616 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:16,616 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,616 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,616 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:16,692 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 15:19:16,692 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,693 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:16,693 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:16,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:16,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:16,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:16,694 INFO L87 Difference]: Start difference. First operand 562 states and 689 transitions. Second operand 4 states. [2019-10-07 15:19:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:16,846 INFO L93 Difference]: Finished difference Result 934 states and 1183 transitions. [2019-10-07 15:19:16,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:16,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:16,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:16,853 INFO L225 Difference]: With dead ends: 934 [2019-10-07 15:19:16,854 INFO L226 Difference]: Without dead ends: 394 [2019-10-07 15:19:16,856 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 15:19:16,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-07 15:19:16,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 382. [2019-10-07 15:19:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-10-07 15:19:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 429 transitions. [2019-10-07 15:19:16,902 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 429 transitions. Word has length 54 [2019-10-07 15:19:16,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:16,903 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 429 transitions. [2019-10-07 15:19:16,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2019-10-07 15:19:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:19:16,907 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:16,908 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 15:19:16,908 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:16,908 INFO L82 PathProgramCache]: Analyzing trace with hash 14413974, now seen corresponding path program 1 times [2019-10-07 15:19:16,909 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:16,909 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,092 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 15:19:17,092 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,092 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:17,092 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 15:19:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:17,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:17,359 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 15:19:17,359 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:17,470 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 15:19:17,470 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:17,471 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:17,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:17,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:17,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:17,474 INFO L87 Difference]: Start difference. First operand 382 states and 429 transitions. Second operand 7 states. [2019-10-07 15:19:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,628 INFO L93 Difference]: Finished difference Result 388 states and 435 transitions. [2019-10-07 15:19:17,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:17,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-07 15:19:17,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,630 INFO L225 Difference]: With dead ends: 388 [2019-10-07 15:19:17,630 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:17,631 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:17,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:17,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:19:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,633 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:17,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:17,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:17,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:17,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:18,556 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:19,366 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-07 15:19:19,366 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-07 15:19:19,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-07 15:19:19,366 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-07 15:19:19,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-07 15:19:19,367 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-07 15:19:19,368 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2019-10-07 15:19:19,368 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2019-10-07 15:19:19,368 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2019-10-07 15:19:19,368 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2019-10-07 15:19:19,368 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:19,369 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2019-10-07 15:19:19,369 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-10-07 15:19:19,369 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:19,369 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-07 15:19:19,369 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-10-07 15:19:19,369 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2019-10-07 15:19:19,369 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-10-07 15:19:19,370 INFO L443 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2019-10-07 15:19:19,370 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2019-10-07 15:19:19,370 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:19,370 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:19:19,370 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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 15:19:19,370 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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 15:19:19,371 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 15:19:19,371 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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 15:19:19,371 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:19:19,371 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,372 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:19:19,372 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:19:19,373 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-10-07 15:19:19,374 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,375 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:19,375 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-07 15:19:19,375 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2019-10-07 15:19:19,375 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2019-10-07 15:19:19,375 INFO L443 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2019-10-07 15:19:19,375 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2019-10-07 15:19:19,375 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L446 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2019-10-07 15:19:19,376 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2019-10-07 15:19:19,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-07 15:19:19,377 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-07 15:19:19,377 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-07 15:19:19,377 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-07 15:19:19,377 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 15:19:19,377 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:19,377 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:19,378 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2019-10-07 15:19:19,378 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2019-10-07 15:19:19,378 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-07 15:19:19,378 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-10-07 15:19:19,378 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2019-10-07 15:19:19,378 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2019-10-07 15:19:19,378 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,378 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2019-10-07 15:19:19,379 INFO L439 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,379 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2019-10-07 15:19:19,379 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,379 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,379 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-10-07 15:19:19,379 INFO L439 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,379 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-10-07 15:19:19,380 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-10-07 15:19:19,380 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-10-07 15:19:19,380 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-10-07 15:19:19,380 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 512 579) 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 15:19:19,380 INFO L439 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,380 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2019-10-07 15:19:19,381 INFO L439 ceAbstractionStarter]: At program point L562(line 562) 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 15:19:19,381 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-07 15:19:19,381 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 552 567) 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 15:19:19,381 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-10-07 15:19:19,381 INFO L439 ceAbstractionStarter]: At program point L554(line 554) 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 15:19:19,381 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-10-07 15:19:19,381 INFO L439 ceAbstractionStarter]: At program point L544(line 544) 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 15:19:19,381 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 571) 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 15:19:19,382 INFO L439 ceAbstractionStarter]: At program point L534(line 534) 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 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-07 15:19:19,382 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:19:19,383 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-07 15:19:19,384 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-07 15:19:19,384 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-07 15:19:19,384 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-07 15:19:19,384 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-07 15:19:19,384 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2019-10-07 15:19:19,385 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2019-10-07 15:19:19,386 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:19,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,386 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-07 15:19:19,386 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2019-10-07 15:19:19,386 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-07 15:19:19,386 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-07 15:19:19,386 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-10-07 15:19:19,387 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-07 15:19:19,387 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,387 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,387 INFO L439 ceAbstractionStarter]: At program point L605(line 605) 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 15:19:19,387 INFO L439 ceAbstractionStarter]: At program point L603(lines 603 609) 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 15:19:19,387 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:19,387 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) 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 15:19:19,388 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:19,388 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:19:19,388 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:19:19,389 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:19:19,389 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:19:19,389 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:19:19,389 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:19,389 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-07 15:19:19,389 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-07 15:19:19,389 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-07 15:19:19,390 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-07 15:19:19,390 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:19:19,390 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:19:19,390 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,390 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 15:19:19,390 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:19,390 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,391 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-07 15:19:19,391 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2019-10-07 15:19:19,391 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-07 15:19:19,391 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:19,391 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2019-10-07 15:19:19,391 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-07 15:19:19,392 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2019-10-07 15:19:19,392 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,392 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2019-10-07 15:19:19,392 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,392 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,393 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-07 15:19:19,393 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,393 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-10-07 15:19:19,393 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-07 15:19:19,393 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,394 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-10-07 15:19:19,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:19 BoogieIcfgContainer [2019-10-07 15:19:19,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:19,413 INFO L168 Benchmark]: Toolchain (without parser) took 7791.87 ms. Allocated memory was 140.5 MB in the beginning and 317.7 MB in the end (delta: 177.2 MB). Free memory was 103.1 MB in the beginning and 252.5 MB in the end (delta: -149.4 MB). Peak memory consumption was 152.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,414 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.21 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 171.5 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,415 INFO L168 Benchmark]: Boogie Preprocessor took 100.38 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,417 INFO L168 Benchmark]: RCFGBuilder took 1697.19 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 167.1 MB in the beginning and 142.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,418 INFO L168 Benchmark]: TraceAbstraction took 5335.29 ms. Allocated memory was 233.8 MB in the beginning and 317.7 MB in the end (delta: 83.9 MB). Free memory was 142.6 MB in the beginning and 252.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.21 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 171.5 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.38 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1697.19 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 167.1 MB in the beginning and 142.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5335.29 ms. Allocated memory was 233.8 MB in the beginning and 317.7 MB in the end (delta: 83.9 MB). Free memory was 142.6 MB in the beginning and 252.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 186 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 724 SDtfs, 529 SDslu, 1675 SDs, 0 SdLazy, 626 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s 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, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3148 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 51496 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...