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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:59:52,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:59:52,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:59:52,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:59:52,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:59:52,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:59:52,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:59:52,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:59:52,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:59:52,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:59:52,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:59:52,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:59:52,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:59:52,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:59:52,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:59:52,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:59:52,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:59:52,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:59:52,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:59:52,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:59:52,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:59:52,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:59:52,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:59:52,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:59:52,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:59:52,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:59:52,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:59:52,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:59:52,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:59:52,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:59:52,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:59:52,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:59:52,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:59:52,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:59:52,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:59:52,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:59:52,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:59:52,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:59:52,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:59:52,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:59:52,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:59:52,639 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 22:59:52,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:59:52,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:59:52,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:59:52,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:59:52,660 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:59:52,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:59:52,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:59:52,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:59:52,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:59:52,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:59:52,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:59:52,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:59:52,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:59:52,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:59:52,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:59:52,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:59:52,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:59:52,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:59:52,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:59:52,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:59:52,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:59:52,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:59:52,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:59:52,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:59:52,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:59:52,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:59:52,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:59:52,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:59:52,666 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:59:52,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:59:52,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:59:52,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:59:52,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:59:52,743 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:59:52,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-19 22:59:52,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c8b8187/240bf2382f14430ea07c6f2121b6b74e/FLAGa8e5baeb1 [2019-09-19 22:59:53,325 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:59:53,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-19 22:59:53,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c8b8187/240bf2382f14430ea07c6f2121b6b74e/FLAGa8e5baeb1 [2019-09-19 22:59:53,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c8b8187/240bf2382f14430ea07c6f2121b6b74e [2019-09-19 22:59:53,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:59:53,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:59:53,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:59:53,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:59:53,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:59:53,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:59:53" (1/1) ... [2019-09-19 22:59:53,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e25428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:53, skipping insertion in model container [2019-09-19 22:59:53,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:59:53" (1/1) ... [2019-09-19 22:59:53,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:59:53,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:59:54,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:59:54,126 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:59:54,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:59:54,272 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:59:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54 WrapperNode [2019-09-19 22:59:54,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:59:54,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:59:54,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:59:54,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:59:54,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (1/1) ... [2019-09-19 22:59:54,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:59:54,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:59:54,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:59:54,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:59:54,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:59:54" (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 22:59:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:59:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:59:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:59:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:59:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:59:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:59:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:59:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:59:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:59:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:59:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:59:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:59:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:59:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:59:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:59:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:59:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:59:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:59:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:59:56,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:59:56,030 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:59:56,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:59:56 BoogieIcfgContainer [2019-09-19 22:59:56,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:59:56,032 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:59:56,032 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:59:56,032 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:59:56,033 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:59:56" (1/1) ... [2019-09-19 22:59:56,034 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:59:56,059 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:59:56,060 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:59:56,068 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:59:56,077 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:59:56,079 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:00:19,095 WARN L191 SmtUtils]: Spent 13.21 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:00:20,795 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:00:24,501 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:00:26,174 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:00:27,887 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:00:27,902 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 23:00:27,954 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 23:00:27,970 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 23:00:39,129 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:00:44,536 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:00:55,437 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:01:00,801 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:01:19,558 WARN L191 SmtUtils]: Spent 18.69 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:01:28,774 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:02:01,243 WARN L191 SmtUtils]: Spent 32.33 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-19 23:02:17,212 WARN L191 SmtUtils]: Spent 15.97 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 23:02:35,384 WARN L191 SmtUtils]: Spent 18.13 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:02:44,391 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:03:00,509 WARN L191 SmtUtils]: Spent 16.11 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-19 23:03:01,686 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 23:03:02,321 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 23:03:02,545 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 23:03:02,707 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 23:03:02,840 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-19 23:03:02,843 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 23:03:02,880 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:03:02,881 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:03:02,883 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 411#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 23:03:02,902 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:03:02,903 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:03:02,905 INFO L168 Benchmark]: Toolchain (without parser) took 189290.66 ms. Allocated memory was 133.7 MB in the beginning and 167.8 MB in the end (delta: 34.1 MB). Free memory was 88.1 MB in the beginning and 76.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,906 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.47 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.0 MB in the end (delta: -76.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,908 INFO L168 Benchmark]: Boogie Preprocessor took 137.78 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,909 INFO L168 Benchmark]: RCFGBuilder took 1619.82 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.7 MB in the beginning and 145.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,910 INFO L168 Benchmark]: Sifa took 186871.34 ms. Allocated memory was 226.5 MB in the beginning and 167.8 MB in the end (delta: -58.7 MB). Free memory was 145.7 MB in the beginning and 76.6 MB in the end (delta: 69.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:02,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.47 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.0 MB in the end (delta: -76.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.78 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.82 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.7 MB in the beginning and 145.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 186871.34 ms. Allocated memory was 226.5 MB in the beginning and 167.8 MB in the end (delta: -58.7 MB). Free memory was 145.7 MB in the beginning and 76.6 MB in the end (delta: 69.2 MB). Peak memory consumption was 10.4 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]: 186824, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 205, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 28436, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 118, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 67, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 28542, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28367, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 210, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 157780, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 75, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 225, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 154183, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 154182, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32715, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32714, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 335, DAG_COMPRESSION_RETAINED_NODES: 190 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 411#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...