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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:30:56,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:30:56,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:30:56,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:30:56,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:30:56,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:30:56,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:30:56,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:30:56,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:30:56,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:30:56,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:30:56,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:30:56,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:30:56,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:30:56,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:30:56,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:30:56,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:30:56,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:30:56,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:30:56,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:30:56,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:30:56,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:30:56,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:30:56,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:30:56,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:30:56,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:30:56,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:30:56,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:30:56,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:30:56,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:30:56,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:30:56,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:30:56,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:30:56,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:30:56,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:30:56,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:30:56,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:30:56,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:30:56,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:30:56,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:30:56,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:30:56,948 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 08:30:56,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:30:56,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:30:56,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:30:56,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:30:56,969 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:30:56,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:30:56,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:30:56,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:30:56,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:30:56,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:30:56,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:30:56,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:30:56,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:30:56,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:30:56,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:30:56,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:30:56,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:30:56,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:30:56,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:30:56,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:30:56,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:30:56,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:30:56,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:30:56,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:30:56,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:30:56,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:30:56,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:30:56,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:30:56,975 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 08:30:57,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:30:57,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:30:57,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:30:57,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:30:57,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:30:57,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-21 08:30:57,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfadee42/b64177b2235b494f9c6023faf84fe6e5/FLAG18e5b276a [2019-09-21 08:30:57,661 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:30:57,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-21 08:30:57,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfadee42/b64177b2235b494f9c6023faf84fe6e5/FLAG18e5b276a [2019-09-21 08:30:57,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfadee42/b64177b2235b494f9c6023faf84fe6e5 [2019-09-21 08:30:57,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:30:57,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:30:57,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:57,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:30:57,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:30:57,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:57" (1/1) ... [2019-09-21 08:30:57,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a551e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:57, skipping insertion in model container [2019-09-21 08:30:57,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:57" (1/1) ... [2019-09-21 08:30:57,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:30:58,019 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:30:58,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:58,463 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:30:58,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:58,630 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:30:58,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58 WrapperNode [2019-09-21 08:30:58,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:58,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:30:58,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:30:58,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:30:58,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (1/1) ... [2019-09-21 08:30:58,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:30:58,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:30:58,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:30:58,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:30:58,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:58" (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 08:30:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:30:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:30:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:30:58,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:30:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:30:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:30:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:30:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:30:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:30:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:30:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:30:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:30:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:30:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:30:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:30:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:30:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:30:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:30:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:30:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:30:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:30:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:30:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:30:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:30:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:30:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:30:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:30:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:30:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:30:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:30:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:30:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:30:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:30:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:30:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:30:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:30:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:30:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:30:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:30:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:30:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:30:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:30:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:30:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:30:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:30:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:30:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:30:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:30:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:30:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:31:00,318 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:31:00,318 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:31:00,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:00 BoogieIcfgContainer [2019-09-21 08:31:00,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:31:00,320 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:31:00,320 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:31:00,321 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:31:00,322 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:00" (1/1) ... [2019-09-21 08:31:00,323 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 08:31:00,346 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:31:00,347 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:31:00,359 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:31:00,369 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:31:00,370 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:31:08,962 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:31:10,720 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:31:10,867 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:11,033 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:11,149 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:11,176 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:31:11,232 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:31:11,237 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:31:11,426 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:31:11,564 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:31:11,991 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:12,296 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:12,866 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:13,242 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:14,095 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:31:14,741 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:31:15,602 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:31:15,875 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-21 08:31:15,985 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-21 08:31:16,256 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:16,415 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:16,778 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:17,172 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:17,700 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 554 [2019-09-21 08:31:18,075 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 553 [2019-09-21 08:31:18,609 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 568 [2019-09-21 08:31:18,868 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,055 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,219 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,375 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,532 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,703 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:19,864 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:20,017 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:20,181 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:20,339 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:31:20,682 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:20,959 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:21,253 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 537 [2019-09-21 08:31:21,414 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 537 [2019-09-21 08:31:21,806 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:22,096 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:22,464 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 535 [2019-09-21 08:31:22,644 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 535 [2019-09-21 08:31:23,007 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:23,286 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:23,823 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:24,115 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:24,784 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 554 [2019-09-21 08:31:25,081 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 553 [2019-09-21 08:31:25,435 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:25,736 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:31:26,374 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-09-21 08:31:26,377 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-21 08:31:26,417 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:31:26,427 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-21 08:31:26,430 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-21 08:31:26,431 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:31:26,432 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:31:26,434 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 461#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-21 08:31:26,446 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:31:26,446 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:31:26,448 INFO L168 Benchmark]: Toolchain (without parser) took 28498.49 ms. Allocated memory was 131.1 MB in the beginning and 961.0 MB in the end (delta: 829.9 MB). Free memory was 85.9 MB in the beginning and 311.7 MB in the end (delta: -225.9 MB). Peak memory consumption was 604.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,449 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.85 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 163.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,451 INFO L168 Benchmark]: Boogie Preprocessor took 94.47 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,452 INFO L168 Benchmark]: RCFGBuilder took 1593.51 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.6 MB in the beginning and 145.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,453 INFO L168 Benchmark]: Sifa took 26125.65 ms. Allocated memory was 219.2 MB in the beginning and 961.0 MB in the end (delta: 741.9 MB). Free memory was 145.8 MB in the beginning and 311.7 MB in the end (delta: -165.9 MB). Peak memory consumption was 576.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:26,466 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 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.85 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 163.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.47 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1593.51 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.6 MB in the beginning and 145.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Sifa took 26125.65 ms. Allocated memory was 219.2 MB in the beginning and 961.0 MB in the end (delta: 741.9 MB). Free memory was 145.8 MB in the beginning and 311.7 MB in the end (delta: -165.9 MB). Peak memory consumption was 576.0 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]: 26088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 230, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 10600, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 368, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 228, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 11045, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10421, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 14185, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 242, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 275, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7096, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7095, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10883, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10882, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 240 - UnprovableResult [Line: 44]: 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 461#(and (<= ~pumpRunning~0 2147483647) (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...