java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:41:39,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:41:39,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:41:39,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:41:39,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:41:39,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:41:39,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:41:39,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:41:39,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:41:39,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:41:39,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:41:39,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:41:39,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:41:39,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:41:39,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:41:39,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:41:39,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:41:39,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:41:39,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:41:39,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:41:39,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:41:39,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:41:39,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:41:39,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:41:39,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:41:39,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:41:39,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:41:39,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:41:39,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:41:39,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:41:39,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:41:39,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:41:39,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:41:39,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:41:39,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:41:39,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:41:39,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:41:39,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:41:39,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:41:39,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:41:39,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:41:39,696 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 [2019-09-16 19:41:39,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:41:39,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:41:39,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:41:39,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:41:39,718 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:41:39,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:41:39,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:41:39,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:41:39,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:41:39,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:41:39,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:41:39,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:41:39,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:41:39,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:41:39,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:41:39,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:41:39,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:41:39,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:41:39,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:41:39,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:41:39,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:41:39,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:41:39,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:41:39,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 19:41:39,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:41:39,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:41:39,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:41:39,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:41:39,770 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:41:39,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-16 19:41:39,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762ac7b43/b5fa87a333c344d9bbee0f0827f29e35/FLAG9b6b0eb1b [2019-09-16 19:41:40,411 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:41:40,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-16 19:41:40,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762ac7b43/b5fa87a333c344d9bbee0f0827f29e35/FLAG9b6b0eb1b [2019-09-16 19:41:40,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762ac7b43/b5fa87a333c344d9bbee0f0827f29e35 [2019-09-16 19:41:40,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:41:40,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:41:40,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:41:40,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:41:40,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:41:40,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:41:40" (1/1) ... [2019-09-16 19:41:40,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545a310a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:40, skipping insertion in model container [2019-09-16 19:41:40,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:41:40" (1/1) ... [2019-09-16 19:41:40,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:41:40,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:41:41,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:41:41,177 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:41:41,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:41:41,293 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:41:41,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41 WrapperNode [2019-09-16 19:41:41,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:41:41,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:41:41,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:41:41,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:41:41,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (1/1) ... [2019-09-16 19:41:41,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:41:41,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:41:41,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:41:41,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:41:41,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:41:41" (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 [2019-09-16 19:41:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:41:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:41:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:41:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:41:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:41:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:41:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:41:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:41:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:41:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:41:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:41:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:41:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:41:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:41:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:41:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:41:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:41:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:41:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:41:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:41:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:41:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:41:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:41:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:41:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:41:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:41:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:41:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:41:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:41:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:41:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:41:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:41:43,196 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:41:43,197 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:41:43,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:41:43 BoogieIcfgContainer [2019-09-16 19:41:43,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:41:43,199 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:41:43,199 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:41:43,200 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:41:43,201 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:41:43" (1/1) ... [2019-09-16 19:41:43,201 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:41:43,237 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:41:43,237 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:41:43,255 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:41:43,267 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:41:43,269 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:42:07,710 WARN L191 SmtUtils]: Spent 14.51 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:42:09,418 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:42:13,124 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:42:14,905 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:42:16,751 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:42:16,767 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:42:16,835 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:42:16,841 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:42:27,839 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:42:33,242 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:42:43,953 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:42:49,300 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:43:15,854 WARN L191 SmtUtils]: Spent 26.48 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:43:24,587 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:43:57,370 WARN L191 SmtUtils]: Spent 32.66 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-16 19:44:13,375 WARN L191 SmtUtils]: Spent 16.00 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 19:44:29,491 WARN L191 SmtUtils]: Spent 16.11 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-16 19:44:30,517 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:44:30,675 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:44:32,984 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 472 DAG size of output: 39 [2019-09-16 19:44:33,283 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:44:33,399 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:44:33,528 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:44:33,922 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:44:34,083 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:44:34,394 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:44:34,508 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:44:34,746 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:44:34,859 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:44:34,985 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:44:35,114 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:44:52,987 WARN L191 SmtUtils]: Spent 17.74 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:45:01,810 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:45:33,615 WARN L191 SmtUtils]: Spent 31.72 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-16 19:45:49,431 WARN L191 SmtUtils]: Spent 15.81 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 19:46:05,405 WARN L191 SmtUtils]: Spent 15.97 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-16 19:46:05,722 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:46:05,886 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:46:08,100 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 472 DAG size of output: 39 [2019-09-16 19:46:08,421 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:46:08,534 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:46:08,664 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:46:08,973 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:46:09,140 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:46:09,443 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:46:09,560 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:46:09,689 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:46:09,699 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-16 19:46:10,192 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-16 19:46:10,370 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-09-16 19:46:10,575 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-16 19:46:10,797 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 19:46:11,050 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-16 19:46:11,153 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 19:46:11,283 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-16 19:46:11,287 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-16 19:46:11,317 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:46:11,318 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:46:11,319 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 562#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-16 19:46:11,329 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:46:11,329 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:46:11,331 INFO L168 Benchmark]: Toolchain (without parser) took 270667.88 ms. Allocated memory is still 138.4 MB. Free memory was 85.5 MB in the beginning and 66.3 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-09-16 19:46:11,331 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:46:11,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.58 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 164.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-16 19:46:11,333 INFO L168 Benchmark]: Boogie Preprocessor took 118.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 159.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-16 19:46:11,334 INFO L168 Benchmark]: RCFGBuilder took 1785.61 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.9 MB in the beginning and 142.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:46:11,335 INFO L168 Benchmark]: Sifa took 268130.21 ms. Allocated memory was 220.2 MB in the beginning and 138.4 MB in the end (delta: -81.8 MB). Free memory was 142.6 MB in the beginning and 66.3 MB in the end (delta: 76.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:46:11,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.58 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 164.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 159.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1785.61 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.9 MB in the beginning and 142.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Sifa took 268130.21 ms. Allocated memory was 220.2 MB in the beginning and 138.4 MB in the end (delta: -81.8 MB). Free memory was 142.6 MB in the beginning and 66.3 MB in the end (delta: 76.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 268083, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 280, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 183, TOOLS_POST_TIME[ms]: 29850, TOOLS_POST_CALL_APPLICATIONS: 79, TOOLS_POST_CALL_TIME[ms]: 188, TOOLS_POST_RETURN_APPLICATIONS: 70, TOOLS_POST_RETURN_TIME[ms]: 88, TOOLS_QUANTIFIERELIM_APPLICATIONS: 332, TOOLS_QUANTIFIERELIM_TIME[ms]: 30004, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29753, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 289, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 232219, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 5225, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 320, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 138303, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 138302, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 70, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34308, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34308, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 430, DAG_COMPRESSION_RETAINED_NODES: 232 - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 562#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...