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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:32:56,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:32:56,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:32:56,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:32:56,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:32:56,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:32:56,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:32:56,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:32:56,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:32:56,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:32:56,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:32:56,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:32:56,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:32:56,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:32:56,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:32:56,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:32:56,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:32:56,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:32:56,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:32:56,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:32:56,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:32:56,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:32:56,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:32:56,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:32:56,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:32:56,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:32:56,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:32:56,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:32:56,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:32:56,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:32:56,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:32:56,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:32:56,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:32:56,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:32:56,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:32:56,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:32:56,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:32:56,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:32:56,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:32:56,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:32:56,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:32:56,755 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 [2019-09-21 08:32:56,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:32:56,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:32:56,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:32:56,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:32:56,778 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:32:56,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:32:56,778 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:32:56,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:32:56,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:32:56,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:32:56,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:32:56,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:32:56,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:32:56,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:32:56,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:32:56,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:32:56,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:32:56,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:32:56,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:32:56,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:32:56,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:32:56,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:32:56,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:32:56,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:32:56,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:32:56,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:32:56,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:32:56,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:32:56,784 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_QUICK [2019-09-21 08:32:56,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:32:56,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:32:56,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:32:56,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:32:56,862 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:32:56,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-21 08:32:56,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b98d70/fb23dcb9ee274680962fc9eaeb60d381/FLAGc09320ebc [2019-09-21 08:32:57,419 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:32:57,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-21 08:32:57,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b98d70/fb23dcb9ee274680962fc9eaeb60d381/FLAGc09320ebc [2019-09-21 08:32:57,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b98d70/fb23dcb9ee274680962fc9eaeb60d381 [2019-09-21 08:32:57,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:32:57,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:32:57,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:57,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:32:57,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:32:57,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:57" (1/1) ... [2019-09-21 08:32:57,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:57, skipping insertion in model container [2019-09-21 08:32:57,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:57" (1/1) ... [2019-09-21 08:32:57,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:32:57,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:32:58,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:58,282 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:32:58,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:58,399 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:32:58,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58 WrapperNode [2019-09-21 08:32:58,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:58,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:32:58,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:32:58,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:32:58,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:32:58,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:32:58,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:32:58,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:32:58,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (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 [2019-09-21 08:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:32:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:32:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:32:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:32:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:32:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:32:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:32:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:32:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:32:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:32:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:32:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:32:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:32:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:32:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:32:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:32:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:32:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:32:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:32:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:32:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:32:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:32:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:32:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:32:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:32:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:32:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:32:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:32:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:32:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:32:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:32:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:32:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:32:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:32:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:32:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:32:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:33:00,107 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:33:00,107 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:33:00,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:00 BoogieIcfgContainer [2019-09-21 08:33:00,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:33:00,109 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:33:00,110 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:33:00,110 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:33:00,111 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:00" (1/1) ... [2019-09-21 08:33:00,112 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:33:00,140 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:33:00,140 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:33:00,154 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:33:00,167 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:33:00,168 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:33:11,013 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:33:12,693 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:33:12,833 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:12,999 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:13,142 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:13,175 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:33:13,234 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:33:13,250 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:33:13,402 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:33:13,513 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:33:13,973 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:33:14,307 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:33:14,580 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:33:14,800 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:33:15,273 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:33:15,618 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:33:16,422 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:17,036 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:17,953 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2019-09-21 08:33:18,402 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:33:18,946 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:33:19,489 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:33:20,855 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 556 DAG size of output: 544 [2019-09-21 08:33:21,525 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:33:22,445 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:33:23,289 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:33:24,148 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 568 [2019-09-21 08:33:24,924 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:33:26,224 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 592 DAG size of output: 588 [2019-09-21 08:33:26,885 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:33:27,185 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:33:28,281 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:28,820 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:29,202 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2019-09-21 08:33:29,502 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:33:29,965 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:33:30,398 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:33:31,108 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 544 [2019-09-21 08:33:31,600 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:33:32,420 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:33:33,207 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:33:34,080 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 570 [2019-09-21 08:33:34,881 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-09-21 08:33:36,103 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 592 DAG size of output: 588 [2019-09-21 08:33:36,154 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-21 08:33:36,216 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:33:36,227 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-21 08:33:36,232 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-21 08:33:36,236 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:33:36,236 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:33:36,238 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 456#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-21 08:33:36,251 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:33:36,251 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:33:36,254 INFO L168 Benchmark]: Toolchain (without parser) took 38508.35 ms. Allocated memory was 137.9 MB in the beginning and 995.1 MB in the end (delta: 857.2 MB). Free memory was 84.5 MB in the beginning and 802.1 MB in the end (delta: -717.6 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,260 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.35 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 84.3 MB in the beginning and 162.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,263 INFO L168 Benchmark]: Boogie Preprocessor took 87.48 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 158.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,269 INFO L168 Benchmark]: RCFGBuilder took 1620.90 ms. Allocated memory was 196.6 MB in the beginning and 217.1 MB in the end (delta: 20.4 MB). Free memory was 158.2 MB in the beginning and 138.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,270 INFO L168 Benchmark]: Sifa took 36141.74 ms. Allocated memory was 217.1 MB in the beginning and 995.1 MB in the end (delta: 778.0 MB). Free memory was 138.5 MB in the beginning and 802.1 MB in the end (delta: -663.6 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:36,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.35 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 84.3 MB in the beginning and 162.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.48 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 158.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1620.90 ms. Allocated memory was 196.6 MB in the beginning and 217.1 MB in the end (delta: 20.4 MB). Free memory was 158.2 MB in the beginning and 138.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. * Sifa took 36141.74 ms. Allocated memory was 217.1 MB in the beginning and 995.1 MB in the end (delta: 778.0 MB). Free memory was 138.5 MB in the beginning and 802.1 MB in the end (delta: -663.6 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 36099, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 237, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 153, TOOLS_POST_TIME[ms]: 12761, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 303, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 220, TOOLS_QUANTIFIERELIM_APPLICATIONS: 282, TOOLS_QUANTIFIERELIM_TIME[ms]: 13130, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12580, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 244, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 19861, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2491, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 249, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16631, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16630, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13075, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13074, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 388, DAG_COMPRESSION_RETAINED_NODES: 219 - UnprovableResult [Line: 920]: 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 456#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...