java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:18:26,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:18:26,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:18:26,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:18:26,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:18:26,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:18:26,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:18:26,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:18:26,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:18:26,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:18:26,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:18:26,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:18:26,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:18:26,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:18:26,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:18:26,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:18:26,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:18:26,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:18:26,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:18:26,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:18:26,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:18:26,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:18:26,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:18:26,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:18:26,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:18:26,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:18:26,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:18:26,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:18:26,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:18:26,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:18:26,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:18:26,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:18:26,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:18:26,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:18:26,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:18:26,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:18:26,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:18:26,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:18:26,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:18:26,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:18:26,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:18:26,106 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 [2019-09-19 17:18:26,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:18:26,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:18:26,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:18:26,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:18:26,126 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:18:26,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:18:26,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:18:26,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:18:26,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:18:26,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:18:26,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:18:26,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:18:26,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:18:26,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:18:26,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:18:26,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:18:26,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:18:26,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:18:26,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:18:26,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:18:26,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:18:26,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:18:26,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:18:26,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:18:26,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:18:26,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:18:26,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:18:26,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:18:26,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:18:26,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:18:26,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:18:26,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:18:26,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:18:26,199 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:18:26,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-09-19 17:18:26,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfe36b5dd/3edca28b17934cf1bfc13d23c88fc609/FLAG22926147f [2019-09-19 17:18:26,835 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:18:26,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-09-19 17:18:26,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfe36b5dd/3edca28b17934cf1bfc13d23c88fc609/FLAG22926147f [2019-09-19 17:18:27,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfe36b5dd/3edca28b17934cf1bfc13d23c88fc609 [2019-09-19 17:18:27,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:18:27,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:18:27,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:18:27,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:18:27,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:18:27,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ddf8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27, skipping insertion in model container [2019-09-19 17:18:27,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,154 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:18:27,211 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:18:27,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:18:27,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:18:27,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:18:27,822 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:18:27,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27 WrapperNode [2019-09-19 17:18:27,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:18:27,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:18:27,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:18:27,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:18:27,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (1/1) ... [2019-09-19 17:18:27,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:18:27,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:18:27,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:18:27,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:18:27,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:27" (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 [2019-09-19 17:18:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:18:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:18:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:18:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:18:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:18:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:18:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:18:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:18:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:18:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:18:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:18:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 17:18:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:18:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:18:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:18:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:18:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:18:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:18:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:18:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:18:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:18:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:18:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:18:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:18:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:18:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:18:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:18:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:18:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:18:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:18:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:18:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:18:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:18:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:18:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:18:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:18:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:18:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 17:18:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:18:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:18:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:18:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:18:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:18:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:18:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:18:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:18:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:18:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:18:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:18:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:18:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:18:29,842 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:18:29,842 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:18:29,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:18:29 BoogieIcfgContainer [2019-09-19 17:18:29,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:18:29,844 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:18:29,845 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:18:29,845 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:18:29,847 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:18:29" (1/1) ... [2019-09-19 17:18:29,847 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-19 17:18:29,889 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:18:29,889 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:18:29,902 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:18:29,915 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:18:29,916 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:18:51,640 WARN L191 SmtUtils]: Spent 12.63 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:18:53,214 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:18:57,311 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:18:59,113 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:19:00,885 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:19:00,904 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:19:00,954 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:19:00,961 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:19:02,510 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:19:02,545 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:19:02,554 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 17:19:02,560 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:19:02,562 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:19:02,562 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:19:02,564 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1558#true [2019-09-19 17:19:02,577 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:19:02,577 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:19:02,579 INFO L168 Benchmark]: Toolchain (without parser) took 35439.97 ms. Allocated memory was 130.5 MB in the beginning and 471.9 MB in the end (delta: 341.3 MB). Free memory was 85.3 MB in the beginning and 375.2 MB in the end (delta: -289.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:02,580 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:19:02,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.55 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 160.9 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:02,582 INFO L168 Benchmark]: Boogie Preprocessor took 113.91 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 156.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:02,583 INFO L168 Benchmark]: RCFGBuilder took 1905.82 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 156.1 MB in the beginning and 140.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:02,584 INFO L168 Benchmark]: Sifa took 32732.89 ms. Allocated memory was 217.6 MB in the beginning and 471.9 MB in the end (delta: 254.3 MB). Free memory was 140.8 MB in the beginning and 375.2 MB in the end (delta: -234.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:02,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.55 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 160.9 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.91 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 156.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1905.82 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 156.1 MB in the beginning and 140.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 32732.89 ms. Allocated memory was 217.6 MB in the beginning and 471.9 MB in the end (delta: 254.3 MB). Free memory was 140.8 MB in the beginning and 375.2 MB in the end (delta: -234.4 MB). Peak memory consumption was 19.9 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]: 32676, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 513, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 336, TOOLS_POST_TIME[ms]: 27364, TOOLS_POST_CALL_APPLICATIONS: 139, TOOLS_POST_CALL_TIME[ms]: 83, TOOLS_POST_RETURN_APPLICATIONS: 130, TOOLS_POST_RETURN_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_APPLICATIONS: 605, TOOLS_QUANTIFIERELIM_TIME[ms]: 27402, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27297, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 530, FLUID_YES_ANSWERS: 530, DOMAIN_JOIN_APPLICATIONS: 155, DOMAIN_JOIN_TIME[ms]: 4389, DOMAIN_ALPHA_APPLICATIONS: 530, DOMAIN_ALPHA_TIME[ms]: 528, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 90, DOMAIN_ISBOTTOM_TIME[ms]: 76, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1180, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1179, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 130, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31224, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31222, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 656, DAG_COMPRESSION_RETAINED_NODES: 347 - UnprovableResult [Line: 534]: 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 1558#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...