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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:37:08,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:37:08,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:37:08,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:37:08,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:37:08,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:37:08,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:37:08,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:37:08,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:37:08,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:37:08,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:37:08,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:37:08,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:37:08,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:37:08,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:37:08,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:37:08,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:37:08,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:37:08,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:37:08,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:37:08,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:37:08,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:37:08,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:37:08,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:37:08,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:37:08,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:37:08,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:37:08,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:37:08,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:37:08,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:37:08,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:37:08,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:37:08,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:37:08,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:37:08,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:37:08,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:37:08,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:37:08,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:37:08,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:37:08,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:37:08,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:37:08,718 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 [2019-09-20 22:37:08,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:37:08,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:37:08,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:37:08,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:37:08,740 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:37:08,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:37:08,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:37:08,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:37:08,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:37:08,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:37:08,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:37:08,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:37:08,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:37:08,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:37:08,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:37:08,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:37:08,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:37:08,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:37:08,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:37:08,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:37:08,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:37:08,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:37:08,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:37:08,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:37:08,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:37:08,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:37:08,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:37:08,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:37:08,745 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:37:08,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:37:08,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:37:08,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:37:08,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:37:08,796 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:37:08,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-09-20 22:37:08,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02ab8e4/4ad685da09e6465db00616acdd9cd64f/FLAG74e1a0684 [2019-09-20 22:37:09,411 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:37:09,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-09-20 22:37:09,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02ab8e4/4ad685da09e6465db00616acdd9cd64f/FLAG74e1a0684 [2019-09-20 22:37:09,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02ab8e4/4ad685da09e6465db00616acdd9cd64f [2019-09-20 22:37:09,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:37:09,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:37:09,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:09,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:37:09,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:37:09,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:09" (1/1) ... [2019-09-20 22:37:09,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:09, skipping insertion in model container [2019-09-20 22:37:09,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:09" (1/1) ... [2019-09-20 22:37:09,690 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:37:09,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:37:10,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:10,363 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:37:10,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:10,543 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:37:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10 WrapperNode [2019-09-20 22:37:10,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:10,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:37:10,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:37:10,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:37:10,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (1/1) ... [2019-09-20 22:37:10,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:37:10,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:37:10,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:37:10,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:37:10,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:10" (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 [2019-09-20 22:37:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:37:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:37:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:37:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:37:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:37:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:37:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:37:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:37:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:37:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:37:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:37:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:37:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:37:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:37:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:37:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:37:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:37:12,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:37:12,225 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:37:12,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:12 BoogieIcfgContainer [2019-09-20 22:37:12,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:37:12,228 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:37:12,228 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:37:12,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:37:12,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:12" (1/1) ... [2019-09-20 22:37:12,230 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:37:12,256 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:37:12,257 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:37:12,270 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:37:12,281 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:37:12,283 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:37:37,063 WARN L191 SmtUtils]: Spent 14.91 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:37:38,673 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:37:42,507 WARN L191 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:37:44,309 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:37:46,171 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:37:46,204 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:37:46,248 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:37:46,257 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:37:46,912 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:37:46,961 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:37:46,972 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:37:46,989 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:37:46,995 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:37:46,996 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:37:46,998 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 654#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:37:47,009 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:37:47,010 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:37:47,012 INFO L168 Benchmark]: Toolchain (without parser) took 37338.59 ms. Allocated memory was 133.7 MB in the beginning and 392.2 MB in the end (delta: 258.5 MB). Free memory was 89.2 MB in the beginning and 234.1 MB in the end (delta: -144.9 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,013 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.10 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 89.0 MB in the beginning and 168.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,014 INFO L168 Benchmark]: Boogie Preprocessor took 94.11 ms. Allocated memory is still 203.9 MB. Free memory was 168.8 MB in the beginning and 165.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,015 INFO L168 Benchmark]: RCFGBuilder took 1588.43 ms. Allocated memory was 203.9 MB in the beginning and 229.1 MB in the end (delta: 25.2 MB). Free memory was 164.4 MB in the beginning and 149.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,016 INFO L168 Benchmark]: Sifa took 34782.01 ms. Allocated memory was 229.1 MB in the beginning and 392.2 MB in the end (delta: 163.1 MB). Free memory was 149.3 MB in the beginning and 234.1 MB in the end (delta: -84.9 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:47,020 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 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 870.10 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 89.0 MB in the beginning and 168.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.11 ms. Allocated memory is still 203.9 MB. Free memory was 168.8 MB in the beginning and 165.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.43 ms. Allocated memory was 203.9 MB in the beginning and 229.1 MB in the end (delta: 25.2 MB). Free memory was 164.4 MB in the beginning and 149.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 34782.01 ms. Allocated memory was 229.1 MB in the beginning and 392.2 MB in the end (delta: 163.1 MB). Free memory was 149.3 MB in the beginning and 234.1 MB in the end (delta: -84.9 MB). Peak memory consumption was 78.2 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]: 34741, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 209, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 136, TOOLS_POST_TIME[ms]: 30176, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_APPLICATIONS: 251, TOOLS_QUANTIFIERELIM_TIME[ms]: 30205, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30143, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 212, FLUID_YES_ANSWERS: 212, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 4058, DOMAIN_ALPHA_APPLICATIONS: 212, DOMAIN_ALPHA_TIME[ms]: 262, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 419, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 418, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34072, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34069, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 422, DAG_COMPRESSION_RETAINED_NODES: 242 - 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 654#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...