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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:17,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:17,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:17,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:17,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:17,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:17,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:17,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:17,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:17,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:17,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:17,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:17,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:17,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:17,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:17,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:17,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:17,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:17,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:17,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:17,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:17,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:17,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:17,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:17,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:17,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:17,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:17,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:17,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:17,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:17,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:17,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:17,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:17,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:17,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:17,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:17,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:17,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:17,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:17,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:17,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:17,406 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 [2019-10-13 23:16:17,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:17,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:17,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:17,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:17,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:17,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:17,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:17,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:17,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:17,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:17,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:17,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:17,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:17,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:17,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:17,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:17,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:17,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:17,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:17,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:17,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:17,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:17,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:17,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:17,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:17,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:17,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:17,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:17,438 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 [2019-10-13 23:16:17,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:17,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:17,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:17,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:17,745 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:17,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-13 23:16:17,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb977588/146ce6ac4ccc4c348b7a85b96bc75a8d/FLAG0e3eba0cd [2019-10-13 23:16:18,410 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:18,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-13 23:16:18,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb977588/146ce6ac4ccc4c348b7a85b96bc75a8d/FLAG0e3eba0cd [2019-10-13 23:16:18,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb977588/146ce6ac4ccc4c348b7a85b96bc75a8d [2019-10-13 23:16:18,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:18,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:18,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:18,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:18,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:18,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:18" (1/1) ... [2019-10-13 23:16:18,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741d6aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:18, skipping insertion in model container [2019-10-13 23:16:18,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:18" (1/1) ... [2019-10-13 23:16:18,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:18,749 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:19,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:19,211 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:19,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:19,333 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:19,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19 WrapperNode [2019-10-13 23:16:19,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:19,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:19,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:19,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:19,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (1/1) ... [2019-10-13 23:16:19,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:19,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:19,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:19,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:19,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (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 [2019-10-13 23:16:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:16:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:16:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:16:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:16:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:16:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:20,956 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:20,956 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:20,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:20 BoogieIcfgContainer [2019-10-13 23:16:20,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:20,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:20,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:20,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:20,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:18" (1/3) ... [2019-10-13 23:16:20,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae6708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:20, skipping insertion in model container [2019-10-13 23:16:20,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:19" (2/3) ... [2019-10-13 23:16:20,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae6708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:20, skipping insertion in model container [2019-10-13 23:16:20,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:20" (3/3) ... [2019-10-13 23:16:20,967 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2019-10-13 23:16:20,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:20,988 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:21,001 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:21,030 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:21,030 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:21,030 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:21,030 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:21,031 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:21,031 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:21,032 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:21,032 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-13 23:16:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:16:21,081 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:21,082 INFO L380 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] [2019-10-13 23:16:21,086 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:21,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:21,093 INFO L82 PathProgramCache]: Analyzing trace with hash -620633570, now seen corresponding path program 1 times [2019-10-13 23:16:21,103 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:21,104 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923018522] [2019-10-13 23:16:21,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:21,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923018522] [2019-10-13 23:16:21,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:21,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:21,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991406064] [2019-10-13 23:16:21,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:21,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:21,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:21,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:21,463 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-13 23:16:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:21,560 INFO L93 Difference]: Finished difference Result 249 states and 302 transitions. [2019-10-13 23:16:21,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:21,564 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-13 23:16:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:21,595 INFO L225 Difference]: With dead ends: 249 [2019-10-13 23:16:21,596 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 23:16:21,610 INFO L600 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 [2019-10-13 23:16:21,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 23:16:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 23:16:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 23:16:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-10-13 23:16:21,706 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 47 [2019-10-13 23:16:21,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:21,707 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-10-13 23:16:21,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-10-13 23:16:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 23:16:21,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:21,723 INFO L380 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] [2019-10-13 23:16:21,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:21,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1665477013, now seen corresponding path program 1 times [2019-10-13 23:16:21,725 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:21,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367919537] [2019-10-13 23:16:21,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:21,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367919537] [2019-10-13 23:16:21,889 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:21,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:21,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815414390] [2019-10-13 23:16:21,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:21,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:21,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:21,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:21,893 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 3 states. [2019-10-13 23:16:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:21,927 INFO L93 Difference]: Finished difference Result 207 states and 241 transitions. [2019-10-13 23:16:21,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:21,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-13 23:16:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:21,931 INFO L225 Difference]: With dead ends: 207 [2019-10-13 23:16:21,931 INFO L226 Difference]: Without dead ends: 117 [2019-10-13 23:16:21,933 INFO L600 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 [2019-10-13 23:16:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-13 23:16:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-13 23:16:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 23:16:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-10-13 23:16:21,950 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 48 [2019-10-13 23:16:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:21,950 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-10-13 23:16:21,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-10-13 23:16:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:16:21,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:21,979 INFO L380 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] [2019-10-13 23:16:21,979 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:21,980 INFO L82 PathProgramCache]: Analyzing trace with hash 190707036, now seen corresponding path program 1 times [2019-10-13 23:16:21,980 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:21,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313162243] [2019-10-13 23:16:21,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:21,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:22,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313162243] [2019-10-13 23:16:22,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:22,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:22,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457128813] [2019-10-13 23:16:22,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:22,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:22,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:22,126 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 7 states. [2019-10-13 23:16:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:22,462 INFO L93 Difference]: Finished difference Result 212 states and 247 transitions. [2019-10-13 23:16:22,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:22,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-13 23:16:22,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:22,465 INFO L225 Difference]: With dead ends: 212 [2019-10-13 23:16:22,465 INFO L226 Difference]: Without dead ends: 117 [2019-10-13 23:16:22,466 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-13 23:16:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-13 23:16:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 23:16:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2019-10-13 23:16:22,480 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 50 [2019-10-13 23:16:22,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:22,481 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2019-10-13 23:16:22,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2019-10-13 23:16:22,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 23:16:22,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:22,483 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:22,484 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:22,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:22,484 INFO L82 PathProgramCache]: Analyzing trace with hash 375128989, now seen corresponding path program 1 times [2019-10-13 23:16:22,484 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:22,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205074184] [2019-10-13 23:16:22,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:22,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:22,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:16:22,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205074184] [2019-10-13 23:16:22,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:22,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:16:22,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123442103] [2019-10-13 23:16:22,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:16:22,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:22,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:16:22,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:16:22,637 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand 5 states. [2019-10-13 23:16:23,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:23,149 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2019-10-13 23:16:23,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:23,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-10-13 23:16:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:23,156 INFO L225 Difference]: With dead ends: 312 [2019-10-13 23:16:23,156 INFO L226 Difference]: Without dead ends: 217 [2019-10-13 23:16:23,158 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:16:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-13 23:16:23,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 202. [2019-10-13 23:16:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-13 23:16:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 223 transitions. [2019-10-13 23:16:23,205 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 223 transitions. Word has length 67 [2019-10-13 23:16:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:23,205 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 223 transitions. [2019-10-13 23:16:23,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:16:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 223 transitions. [2019-10-13 23:16:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 23:16:23,208 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:23,209 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:23,210 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:23,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:23,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1796486580, now seen corresponding path program 1 times [2019-10-13 23:16:23,211 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:23,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451481422] [2019-10-13 23:16:23,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:23,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:23,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:23,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451481422] [2019-10-13 23:16:23,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:23,366 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:16:23,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785575290] [2019-10-13 23:16:23,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:16:23,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:16:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:16:23,370 INFO L87 Difference]: Start difference. First operand 202 states and 223 transitions. Second operand 6 states. [2019-10-13 23:16:23,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:23,554 INFO L93 Difference]: Finished difference Result 483 states and 548 transitions. [2019-10-13 23:16:23,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:23,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-13 23:16:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:23,559 INFO L225 Difference]: With dead ends: 483 [2019-10-13 23:16:23,559 INFO L226 Difference]: Without dead ends: 303 [2019-10-13 23:16:23,561 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:16:23,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-10-13 23:16:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-10-13 23:16:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-10-13 23:16:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 326 transitions. [2019-10-13 23:16:23,589 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 326 transitions. Word has length 77 [2019-10-13 23:16:23,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:23,590 INFO L462 AbstractCegarLoop]: Abstraction has 293 states and 326 transitions. [2019-10-13 23:16:23,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:16:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 326 transitions. [2019-10-13 23:16:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 23:16:23,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:23,592 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:23,592 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:23,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:23,592 INFO L82 PathProgramCache]: Analyzing trace with hash 577831232, now seen corresponding path program 1 times [2019-10-13 23:16:23,593 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:23,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238463580] [2019-10-13 23:16:23,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:23,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:23,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:23,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238463580] [2019-10-13 23:16:23,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:23,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:23,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408325780] [2019-10-13 23:16:23,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:23,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:23,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:23,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:23,712 INFO L87 Difference]: Start difference. First operand 293 states and 326 transitions. Second operand 10 states. [2019-10-13 23:16:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:24,013 INFO L93 Difference]: Finished difference Result 570 states and 637 transitions. [2019-10-13 23:16:24,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:16:24,013 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2019-10-13 23:16:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:24,016 INFO L225 Difference]: With dead ends: 570 [2019-10-13 23:16:24,017 INFO L226 Difference]: Without dead ends: 299 [2019-10-13 23:16:24,018 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:16:24,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-10-13 23:16:24,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2019-10-13 23:16:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-13 23:16:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 303 transitions. [2019-10-13 23:16:24,040 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 303 transitions. Word has length 80 [2019-10-13 23:16:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:24,041 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 303 transitions. [2019-10-13 23:16:24,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 303 transitions. [2019-10-13 23:16:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 23:16:24,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:24,042 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:24,043 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:24,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:24,043 INFO L82 PathProgramCache]: Analyzing trace with hash 903352831, now seen corresponding path program 1 times [2019-10-13 23:16:24,043 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:24,043 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145075008] [2019-10-13 23:16:24,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:24,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:24,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:24,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145075008] [2019-10-13 23:16:24,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:24,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-13 23:16:24,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309479106] [2019-10-13 23:16:24,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-13 23:16:24,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:24,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-13 23:16:24,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-13 23:16:24,298 INFO L87 Difference]: Start difference. First operand 282 states and 303 transitions. Second operand 14 states. [2019-10-13 23:16:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:24,755 INFO L93 Difference]: Finished difference Result 561 states and 620 transitions. [2019-10-13 23:16:24,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:16:24,757 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2019-10-13 23:16:24,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:24,762 INFO L225 Difference]: With dead ends: 561 [2019-10-13 23:16:24,762 INFO L226 Difference]: Without dead ends: 381 [2019-10-13 23:16:24,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-13 23:16:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-13 23:16:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 350. [2019-10-13 23:16:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-10-13 23:16:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 379 transitions. [2019-10-13 23:16:24,811 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 379 transitions. Word has length 80 [2019-10-13 23:16:24,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:24,812 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 379 transitions. [2019-10-13 23:16:24,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-13 23:16:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 379 transitions. [2019-10-13 23:16:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-13 23:16:24,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:24,841 INFO L380 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:24,842 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:24,842 INFO L82 PathProgramCache]: Analyzing trace with hash 778200448, now seen corresponding path program 1 times [2019-10-13 23:16:24,842 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:24,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090184349] [2019-10-13 23:16:24,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:24,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:24,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 23:16:24,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090184349] [2019-10-13 23:16:24,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525827954] [2019-10-13 23:16:24,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:25,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-13 23:16:25,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:16:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:16:25,331 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:16:25,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:16:25,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:16:25,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:16:25,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:16:25,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 23:16:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 23:16:25,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:16:25,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-13 23:16:25,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630326377] [2019-10-13 23:16:25,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:16:25,800 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:16:25,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-13 23:16:25,801 INFO L87 Difference]: Start difference. First operand 350 states and 379 transitions. Second operand 9 states. [2019-10-13 23:16:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:26,187 INFO L93 Difference]: Finished difference Result 748 states and 829 transitions. [2019-10-13 23:16:26,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:16:26,187 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2019-10-13 23:16:26,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:26,188 INFO L225 Difference]: With dead ends: 748 [2019-10-13 23:16:26,188 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:26,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-13 23:16:26,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:26,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:26,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2019-10-13 23:16:26,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:26,193 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:26,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:16:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:26,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:26,402 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:26,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:27,658 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-13 23:16:28,004 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-13 23:16:28,133 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-13 23:16:29,243 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-13 23:16:29,299 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2019-10-13 23:16:29,300 INFO L443 ceAbstractionStarter]: For program point L626(lines 603 627) no Hoare annotation was computed. [2019-10-13 23:16:29,300 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2019-10-13 23:16:29,300 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L687(lines 660 688) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-10-13 23:16:29,301 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-10-13 23:16:29,302 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 23:16:29,302 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 23:16:29,303 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 23:16:29,303 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 23:16:29,304 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,304 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2019-10-13 23:16:29,304 INFO L439 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1))) [2019-10-13 23:16:29,305 INFO L439 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1))) [2019-10-13 23:16:29,305 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2019-10-13 23:16:29,305 INFO L443 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2019-10-13 23:16:29,305 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-10-13 23:16:29,306 INFO L439 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,306 INFO L439 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,306 INFO L439 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,306 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 23:16:29,306 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-10-13 23:16:29,306 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-13 23:16:29,307 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2019-10-13 23:16:29,308 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2019-10-13 23:16:29,309 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2019-10-13 23:16:29,309 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 23:16:29,309 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2019-10-13 23:16:29,310 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2019-10-13 23:16:29,310 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-13 23:16:29,310 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-13 23:16:29,311 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2019-10-13 23:16:29,311 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2019-10-13 23:16:29,311 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,312 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:29,312 INFO L443 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2019-10-13 23:16:29,312 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,312 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,312 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2019-10-13 23:16:29,313 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,313 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-10-13 23:16:29,313 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2019-10-13 23:16:29,313 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2019-10-13 23:16:29,313 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,313 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2019-10-13 23:16:29,314 INFO L439 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:29,314 INFO L439 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 23:16:29,314 INFO L443 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2019-10-13 23:16:29,314 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 23:16:29,314 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2019-10-13 23:16:29,315 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2019-10-13 23:16:29,315 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) .cse1) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 23:16:29,315 INFO L439 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 23:16:29,315 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2019-10-13 23:16:29,315 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2019-10-13 23:16:29,315 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2019-10-13 23:16:29,315 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:16:29,316 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 725) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2019-10-13 23:16:29,317 INFO L443 ceAbstractionStarter]: For program point L767(lines 745 768) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 742) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 766) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 784) no Hoare annotation was computed. [2019-10-13 23:16:29,318 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:29,319 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:29,319 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2019-10-13 23:16:29,319 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:29,319 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2019-10-13 23:16:29,319 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2019-10-13 23:16:29,319 INFO L446 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2019-10-13 23:16:29,319 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-10-13 23:16:29,320 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2019-10-13 23:16:29,320 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-13 23:16:29,320 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: true [2019-10-13 23:16:29,320 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-10-13 23:16:29,320 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:29,320 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:29,321 INFO L439 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:29,321 INFO L439 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:29,321 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-13 23:16:29,321 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-13 23:16:29,322 INFO L443 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2019-10-13 23:16:29,322 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2019-10-13 23:16:29,322 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2019-10-13 23:16:29,322 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-10-13 23:16:29,322 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-10-13 23:16:29,322 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-10-13 23:16:29,322 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-13 23:16:29,323 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-13 23:16:29,323 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-10-13 23:16:29,323 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-10-13 23:16:29,323 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-13 23:16:29,323 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-13 23:16:29,323 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2019-10-13 23:16:29,323 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2019-10-13 23:16:29,324 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2019-10-13 23:16:29,324 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-13 23:16:29,324 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-10-13 23:16:29,324 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2019-10-13 23:16:29,324 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-10-13 23:16:29,324 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2019-10-13 23:16:29,352 INFO L446 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: true [2019-10-13 23:16:29,352 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2019-10-13 23:16:29,352 INFO L443 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2019-10-13 23:16:29,352 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2019-10-13 23:16:29,353 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-13 23:16:29,353 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-13 23:16:29,353 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 23:16:29,353 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-13 23:16:29,353 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2019-10-13 23:16:29,353 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-13 23:16:29,353 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-10-13 23:16:29,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:29,354 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:29,354 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:29,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:29,354 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,354 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,354 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2019-10-13 23:16:29,355 INFO L443 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2019-10-13 23:16:29,355 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:29,355 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) (not (= ~waterLevel~0 2))) (= ~pumpRunning~0 0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:29,355 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-10-13 23:16:29,355 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:29,355 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-10-13 23:16:29,355 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2019-10-13 23:16:29,356 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2019-10-13 23:16:29,356 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-13 23:16:29,356 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:16:29,356 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:16:29,356 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:16:29,356 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2019-10-13 23:16:29,356 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,356 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:16:29,357 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2019-10-13 23:16:29,357 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,357 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,357 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2019-10-13 23:16:29,357 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-13 23:16:29,357 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-13 23:16:29,357 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2019-10-13 23:16:29,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:29 BoogieIcfgContainer [2019-10-13 23:16:29,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:29,373 INFO L168 Benchmark]: Toolchain (without parser) took 10698.38 ms. Allocated memory was 140.0 MB in the beginning and 351.3 MB in the end (delta: 211.3 MB). Free memory was 102.8 MB in the beginning and 313.5 MB in the end (delta: -210.7 MB). Peak memory consumption was 223.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:29,374 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 23:16:29,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.98 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 171.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:29,375 INFO L168 Benchmark]: Boogie Preprocessor took 86.68 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:29,376 INFO L168 Benchmark]: RCFGBuilder took 1536.23 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 166.2 MB in the beginning and 139.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:29,377 INFO L168 Benchmark]: TraceAbstraction took 8412.33 ms. Allocated memory was 234.4 MB in the beginning and 351.3 MB in the end (delta: 116.9 MB). Free memory was 139.6 MB in the beginning and 313.5 MB in the end (delta: -173.9 MB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:29,381 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 140.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.98 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 171.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.68 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1536.23 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 166.2 MB in the beginning and 139.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8412.33 ms. Allocated memory was 234.4 MB in the beginning and 351.3 MB in the end (delta: 116.9 MB). Free memory was 139.6 MB in the beginning and 313.5 MB in the end (delta: -173.9 MB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 101]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (((!(waterLevel == 2) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 195 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1164 SDtfs, 1014 SDslu, 3690 SDs, 0 SdLazy, 946 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=7, 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, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 919 PreInvPairs, 965 NumberOfFragments, 1342 HoareAnnotationTreeSize, 919 FomulaSimplifications, 1347 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 6717 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 134202 SizeOfPredicates, 7 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 71/77 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...