java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:49:49,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:49:49,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:49:49,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:49:49,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:49:49,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:49:49,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:49:49,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:49:49,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:49:49,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:49:49,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:49:49,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:49:49,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:49:49,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:49:49,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:49:49,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:49:49,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:49:49,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:49:49,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:49:49,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:49:49,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:49:49,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:49:49,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:49:49,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:49:49,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:49:49,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:49:49,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:49:49,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:49:49,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:49:49,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:49:49,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:49:49,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:49:49,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:49:49,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:49:49,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:49:49,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:49:49,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:49:49,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:49:49,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:49:49,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:49:49,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:49:49,127 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 15:49:49,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:49:49,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:49:49,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:49:49,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:49:49,143 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:49:49,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:49:49,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:49:49,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:49:49,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:49:49,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:49:49,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:49:49,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:49:49,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:49:49,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:49:49,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:49:49,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:49:49,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:49:49,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:49:49,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:49:49,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:49:49,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:49:49,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:49:49,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:49:49,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:49:49,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:49:49,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:49:49,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:49:49,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:49:49,148 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 15:49:49,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:49:49,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:49:49,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:49:49,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:49:49,206 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:49:49,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-20 15:49:49,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8958066/6ea5767e807140b4827006089f8442f7/FLAG734545e9f [2019-09-20 15:49:49,741 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:49:49,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-20 15:49:49,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8958066/6ea5767e807140b4827006089f8442f7/FLAG734545e9f [2019-09-20 15:49:50,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8958066/6ea5767e807140b4827006089f8442f7 [2019-09-20 15:49:50,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:49:50,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:49:50,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:50,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:49:50,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:49:50,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50, skipping insertion in model container [2019-09-20 15:49:50,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:49:50,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:49:50,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:50,692 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:49:50,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:50,839 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:49:50,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50 WrapperNode [2019-09-20 15:49:50,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:50,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:49:50,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:49:50,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:49:50,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (1/1) ... [2019-09-20 15:49:50,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:49:50,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:49:50,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:49:50,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:49:50,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:50" (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 15:49:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:49:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:49:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:49:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:49:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:49:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:49:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:49:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:49:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:49:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:49:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:49:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:49:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:49:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:49:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:49:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:49:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:49:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:49:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:49:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:49:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:49:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:49:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:49:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:49:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:49:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:49:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:49:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:49:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:49:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:49:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:49:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:49:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:49:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:49:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:49:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:49:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:49:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:49:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:49:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:49:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:49:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:49:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:49:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:49:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:49:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:49:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:49:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:49:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:49:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:49:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:49:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:49:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:49:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:49:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:49:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:49:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:49:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:49:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:49:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:49:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:49:52,667 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:49:52,667 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:49:52,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:52 BoogieIcfgContainer [2019-09-20 15:49:52,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:49:52,669 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:49:52,670 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:49:52,670 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:49:52,671 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:52" (1/1) ... [2019-09-20 15:49:52,672 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 15:49:52,697 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:49:52,697 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:49:52,706 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:49:52,715 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:49:52,717 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:50:04,282 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:50:06,003 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:50:06,148 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:06,296 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:06,413 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:06,430 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:50:06,488 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:50:06,504 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:50:06,654 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:50:06,791 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:50:07,193 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:07,543 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:07,796 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:08,037 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:08,462 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:50:08,906 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:50:09,726 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:10,288 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:11,176 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2019-09-20 15:50:11,544 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:50:12,415 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:50:12,976 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:50:14,102 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 556 DAG size of output: 544 [2019-09-20 15:50:15,366 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:50:16,515 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 568 [2019-09-20 15:50:17,411 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-20 15:50:18,279 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 568 [2019-09-20 15:50:19,057 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-20 15:50:20,321 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 592 DAG size of output: 588 [2019-09-20 15:50:21,392 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:50:21,717 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:50:22,355 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:22,917 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:23,305 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2019-09-20 15:50:23,607 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:50:24,076 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:50:24,492 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:50:25,089 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 544 [2019-09-20 15:50:25,573 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:50:26,367 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-20 15:50:27,148 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-20 15:50:27,988 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 570 [2019-09-20 15:50:28,787 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-09-20 15:50:30,031 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 592 DAG size of output: 588 [2019-09-20 15:50:30,078 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-20 15:50:30,135 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:50:30,145 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-20 15:50:30,149 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:50:30,152 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:50:30,152 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:50:30,154 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 456#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:50:30,166 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:50:30,166 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:50:30,168 INFO L168 Benchmark]: Toolchain (without parser) took 40063.83 ms. Allocated memory was 130.5 MB in the beginning and 1.1 GB in the end (delta: 955.8 MB). Free memory was 85.0 MB in the beginning and 896.9 MB in the end (delta: -812.0 MB). Peak memory consumption was 143.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,169 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.83 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.8 MB in the beginning and 162.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,171 INFO L168 Benchmark]: Boogie Preprocessor took 108.36 ms. Allocated memory is still 198.7 MB. Free memory was 162.7 MB in the beginning and 158.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,171 INFO L168 Benchmark]: RCFGBuilder took 1720.18 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 158.7 MB in the beginning and 138.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,172 INFO L168 Benchmark]: Sifa took 37496.97 ms. Allocated memory was 218.1 MB in the beginning and 1.1 GB in the end (delta: 868.2 MB). Free memory was 138.9 MB in the beginning and 896.9 MB in the end (delta: -758.1 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:30,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.83 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.8 MB in the beginning and 162.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.36 ms. Allocated memory is still 198.7 MB. Free memory was 162.7 MB in the beginning and 158.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1720.18 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 158.7 MB in the beginning and 138.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Sifa took 37496.97 ms. Allocated memory was 218.1 MB in the beginning and 1.1 GB in the end (delta: 868.2 MB). Free memory was 138.9 MB in the beginning and 896.9 MB in the end (delta: -758.1 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 37457, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 237, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 153, TOOLS_POST_TIME[ms]: 13548, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 279, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 235, TOOLS_QUANTIFIERELIM_APPLICATIONS: 282, TOOLS_QUANTIFIERELIM_TIME[ms]: 13926, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13366, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 244, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 20486, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2472, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 58, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 228, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17323, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17323, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13806, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13805, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 388, DAG_COMPRESSION_RETAINED_NODES: 219 - UnprovableResult [Line: 920]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 456#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces