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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:48:54,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:48:54,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:48:54,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:48:54,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:48:54,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:48:54,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:48:54,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:48:54,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:48:54,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:48:54,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:48:54,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:48:54,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:48:54,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:48:54,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:48:54,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:48:54,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:48:54,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:48:54,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:48:54,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:48:54,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:48:54,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:48:54,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:48:54,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:48:54,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:48:54,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:48:54,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:48:54,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:48:54,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:48:54,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:48:54,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:48:54,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:48:54,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:48:54,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:48:54,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:48:54,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:48:54,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:48:54,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:48:54,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:48:54,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:48:54,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:48:54,827 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 15:48:54,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:48:54,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:48:54,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:48:54,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:48:54,843 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:48:54,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:48:54,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:48:54,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:48:54,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:48:54,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:48:54,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:48:54,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:48:54,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:48:54,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:48:54,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:48:54,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:48:54,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:48:54,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:48:54,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:48:54,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:48:54,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:48:54,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:48:54,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:48:54,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:48:54,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:48:54,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:48:54,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:48:54,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:48:54,847 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 [2019-09-20 15:48:54,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:48:54,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:48:54,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:48:54,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:48:54,898 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:48:54,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 15:48:54,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ee0bac4/f25a24e9eb0e490785f1e82409aef9a5/FLAG746648a04 [2019-09-20 15:48:55,420 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:48:55,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 15:48:55,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ee0bac4/f25a24e9eb0e490785f1e82409aef9a5/FLAG746648a04 [2019-09-20 15:48:55,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ee0bac4/f25a24e9eb0e490785f1e82409aef9a5 [2019-09-20 15:48:55,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:48:55,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:48:55,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:55,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:48:55,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:48:55,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:55" (1/1) ... [2019-09-20 15:48:55,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3586be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:55, skipping insertion in model container [2019-09-20 15:48:55,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:55" (1/1) ... [2019-09-20 15:48:55,741 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:48:55,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:48:56,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:56,284 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:48:56,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:56,415 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:48:56,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56 WrapperNode [2019-09-20 15:48:56,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:56,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:48:56,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:48:56,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:48:56,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (1/1) ... [2019-09-20 15:48:56,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:48:56,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:48:56,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:48:56,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:48:56,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:56" (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 15:48:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:48:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:48:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:48:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:48:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:48:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:48:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:48:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:48:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:48:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:48:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:48:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:48:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:48:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:48:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:48:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:48:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:48:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:48:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:48:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:48:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:48:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:48:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:48:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:48:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:48:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:48:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:48:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:48:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:48:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:48:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:48:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:48:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:48:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:48:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:48:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:48:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:48:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:48:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:48:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:48:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:48:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:48:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:48:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:48:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:48:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:48:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:48:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:48:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:48:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:48:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:48:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:48:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:48:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:48:58,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:48:58,195 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:48:58,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:58 BoogieIcfgContainer [2019-09-20 15:48:58,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:48:58,197 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:48:58,197 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:48:58,197 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:48:58,199 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:58" (1/1) ... [2019-09-20 15:48:58,199 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 [2019-09-20 15:48:58,236 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:48:58,236 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:48:58,248 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:48:58,259 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:48:58,261 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:49:08,003 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:49:09,739 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:49:09,900 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:10,037 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:10,159 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:10,189 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:49:10,256 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:49:10,278 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:49:10,456 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:49:10,609 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:49:11,048 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:49:11,418 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:49:11,736 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:49:11,956 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:49:12,282 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:49:12,686 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:49:13,330 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:13,573 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:13,741 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:49:14,237 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:49:14,482 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:49:15,310 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 555 [2019-09-20 15:49:15,625 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:49:15,897 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 555 [2019-09-20 15:49:16,088 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:49:16,421 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 561 [2019-09-20 15:49:16,673 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 561 [2019-09-20 15:49:17,474 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 551 [2019-09-20 15:49:17,641 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:49:17,810 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 551 [2019-09-20 15:49:17,991 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:49:18,610 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 557 [2019-09-20 15:49:19,165 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 557 [2019-09-20 15:49:19,269 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 32 for LOIs [2019-09-20 15:49:19,331 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:49:19,346 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 31 for LOIs [2019-09-20 15:49:19,355 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:49:19,360 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:49:19,360 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:49:19,362 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 555#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:49:19,376 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:49:19,378 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:49:19,388 INFO L168 Benchmark]: Toolchain (without parser) took 23659.89 ms. Allocated memory was 132.6 MB in the beginning and 720.4 MB in the end (delta: 587.7 MB). Free memory was 87.3 MB in the beginning and 234.2 MB in the end (delta: -146.9 MB). Peak memory consumption was 440.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,389 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.61 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,395 INFO L168 Benchmark]: Boogie Preprocessor took 117.64 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,395 INFO L168 Benchmark]: RCFGBuilder took 1662.41 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 160.8 MB in the beginning and 149.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,400 INFO L168 Benchmark]: Sifa took 21187.70 ms. Allocated memory was 224.4 MB in the beginning and 720.4 MB in the end (delta: 496.0 MB). Free memory was 149.8 MB in the beginning and 234.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:19,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.61 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.64 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1662.41 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 160.8 MB in the beginning and 149.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Sifa took 21187.70 ms. Allocated memory was 224.4 MB in the beginning and 720.4 MB in the end (delta: 496.0 MB). Free memory was 149.8 MB in the beginning and 234.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 411.6 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]: 21127, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 254, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 170, TOOLS_POST_TIME[ms]: 11716, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 206, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 299, TOOLS_QUANTIFIERELIM_TIME[ms]: 11898, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11560, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 8508, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 40, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME[ms]: 326, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4228, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4228, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11966, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11965, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 491, DAG_COMPRESSION_RETAINED_NODES: 206 - UnprovableResult [Line: 790]: 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 555#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0)) (<= 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...