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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:36:16,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:36:16,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:36:16,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:36:16,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:36:16,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:36:16,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:36:16,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:36:16,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:36:16,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:36:16,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:36:16,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:36:16,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:36:16,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:36:16,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:36:16,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:36:16,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:36:16,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:36:16,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:36:16,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:36:16,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:36:16,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:36:16,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:36:16,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:36:16,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:36:16,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:36:16,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:36:16,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:36:16,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:36:16,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:36:16,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:36:16,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:36:16,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:36:16,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:36:16,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:36:16,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:36:16,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:36:16,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:36:16,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:36:16,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:36:16,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:36:16,952 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 08:36:16,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:36:16,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:36:16,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:36:16,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:36:16,973 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:36:16,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:36:16,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:36:16,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:36:16,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:36:16,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:36:16,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:36:16,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:36:16,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:36:16,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:36:16,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:36:16,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:36:16,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:36:16,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:36:16,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:36:16,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:36:16,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:36:16,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:36:16,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:36:16,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:36:16,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:36:16,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:36:16,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:36:16,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:36:16,978 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 08:36:17,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:36:17,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:36:17,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:36:17,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:36:17,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:36:17,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-21 08:36:17,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec51c729/e23933acf1174ba597c1ada6b8ec029a/FLAG16b5a54ff [2019-09-21 08:36:17,712 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:36:17,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-21 08:36:17,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec51c729/e23933acf1174ba597c1ada6b8ec029a/FLAG16b5a54ff [2019-09-21 08:36:18,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec51c729/e23933acf1174ba597c1ada6b8ec029a [2019-09-21 08:36:18,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:36:18,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:36:18,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:36:18,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:36:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:36:18,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec14038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18, skipping insertion in model container [2019-09-21 08:36:18,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:36:18,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:36:18,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:36:18,609 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:36:18,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:36:18,808 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:36:18,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18 WrapperNode [2019-09-21 08:36:18,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:36:18,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:36:18,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:36:18,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:36:18,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (1/1) ... [2019-09-21 08:36:18,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:36:18,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:36:18,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:36:18,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:36:18,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:18" (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 08:36:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:36:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:36:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:36:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:36:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:36:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:36:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:36:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:36:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:36:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:36:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:36:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:36:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:36:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:36:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:36:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:36:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:36:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:36:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:36:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:36:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:36:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:36:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:36:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:36:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:36:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:36:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:36:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:36:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:36:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:36:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:36:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:36:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:36:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:36:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:36:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:36:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:36:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:36:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:36:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:36:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:36:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:36:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:36:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:36:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:36:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:36:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:36:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:36:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:36:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:36:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:36:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:36:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:36:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:36:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:36:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:36:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:36:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:36:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:36:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:36:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:36:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:36:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:36:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:36:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:36:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:36:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:36:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:36:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:36:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:36:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:36:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:36:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:36:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:36:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:36:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:36:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:36:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:36:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:36:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:36:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:36:20,758 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:36:20,758 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:36:20,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:20 BoogieIcfgContainer [2019-09-21 08:36:20,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:36:20,760 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:36:20,760 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:36:20,761 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:36:20,762 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:20" (1/1) ... [2019-09-21 08:36:20,762 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 08:36:20,794 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:36:20,795 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:36:20,806 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:36:20,816 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:36:20,818 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:36:31,458 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:36:33,394 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:36:33,550 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:33,692 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:33,826 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:33,852 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:36:33,923 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:36:33,930 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:36:34,190 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:36:34,330 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:36:34,733 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:35,077 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:35,388 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:35,632 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:35,826 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:36,013 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:36:36,403 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:36,769 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:37,529 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:38,136 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:39,018 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-21 08:36:39,535 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:36:39,823 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-21 08:36:40,126 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-21 08:36:40,791 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:36:41,235 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:36:41,663 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:36:42,116 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:36:42,873 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-21 08:36:43,680 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:43,993 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:44,610 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:45,153 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:45,715 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-21 08:36:46,031 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:36:46,462 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-21 08:36:46,694 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-21 08:36:47,106 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:47,518 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:47,936 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:48,349 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:49,061 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-21 08:36:49,433 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:49,709 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:36:50,314 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:50,872 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:36:51,324 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-21 08:36:51,617 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:36:51,908 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-21 08:36:52,075 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-21 08:36:52,488 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:52,901 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:53,327 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:53,745 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:36:54,412 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-21 08:36:54,454 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 27 for LOIs [2019-09-21 08:36:54,532 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:36:54,541 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-21 08:36:54,544 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-21 08:36:54,545 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:36:54,546 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:36:54,547 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 588#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:36:54,559 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:36:54,559 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:36:54,561 INFO L168 Benchmark]: Toolchain (without parser) took 36504.42 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 921.2 MB). Free memory was 86.7 MB in the beginning and 135.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 872.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,562 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.78 ms. Allocated memory was 138.9 MB in the beginning and 217.1 MB in the end (delta: 78.1 MB). Free memory was 86.5 MB in the beginning and 191.6 MB in the end (delta: -105.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,563 INFO L168 Benchmark]: Boogie Preprocessor took 128.63 ms. Allocated memory is still 217.1 MB. Free memory was 191.6 MB in the beginning and 187.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,564 INFO L168 Benchmark]: RCFGBuilder took 1821.09 ms. Allocated memory was 217.1 MB in the beginning and 267.9 MB in the end (delta: 50.9 MB). Free memory was 187.1 MB in the beginning and 215.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,565 INFO L168 Benchmark]: Sifa took 33799.09 ms. Allocated memory was 267.9 MB in the beginning and 1.1 GB in the end (delta: 792.2 MB). Free memory was 213.8 MB in the beginning and 135.0 MB in the end (delta: 78.8 MB). Peak memory consumption was 871.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:36:54,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.78 ms. Allocated memory was 138.9 MB in the beginning and 217.1 MB in the end (delta: 78.1 MB). Free memory was 86.5 MB in the beginning and 191.6 MB in the end (delta: -105.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.63 ms. Allocated memory is still 217.1 MB. Free memory was 191.6 MB in the beginning and 187.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1821.09 ms. Allocated memory was 217.1 MB in the beginning and 267.9 MB in the end (delta: 50.9 MB). Free memory was 187.1 MB in the beginning and 215.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. * Sifa took 33799.09 ms. Allocated memory was 267.9 MB in the beginning and 1.1 GB in the end (delta: 792.2 MB). Free memory was 213.8 MB in the beginning and 135.0 MB in the end (delta: 78.8 MB). Peak memory consumption was 871.0 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]: 33753, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME[ms]: 12854, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 325, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 219, TOOLS_QUANTIFIERELIM_APPLICATIONS: 352, TOOLS_QUANTIFIERELIM_TIME[ms]: 13242, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12674, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 302, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 17744, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2101, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 66, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 275, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16089, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16088, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13160, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13159, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 446, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 439]: 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 588#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...