java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:48:06,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:48:06,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:48:06,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:48:06,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:48:06,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:48:06,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:48:06,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:48:06,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:48:06,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:48:06,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:48:06,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:48:06,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:48:06,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:48:06,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:48:06,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:48:06,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:48:06,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:48:06,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:48:06,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:48:06,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:48:06,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:48:06,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:48:06,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:48:06,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:48:06,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:48:06,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:48:06,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:48:06,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:48:06,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:48:06,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:48:06,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:48:06,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:48:06,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:48:06,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:48:06,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:48:06,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:48:06,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:48:06,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:48:06,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:48:06,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:48:06,694 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 15:48:06,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:48:06,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:48:06,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:48:06,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:48:06,710 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:48:06,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:48:06,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:48:06,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:48:06,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:48:06,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:48:06,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:48:06,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:48:06,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:48:06,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:48:06,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:48:06,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:48:06,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:48:06,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:48:06,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:48:06,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:48:06,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:48:06,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:48:06,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:48:06,715 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 15:48:06,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:48:06,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:48:06,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:48:06,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:48:06,766 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:48:06,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-20 15:48:06,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1d1a51/8bcb7ac647904023a28b73f1a0021bf2/FLAG21535ee89 [2019-09-20 15:48:07,277 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:48:07,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-20 15:48:07,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1d1a51/8bcb7ac647904023a28b73f1a0021bf2/FLAG21535ee89 [2019-09-20 15:48:07,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1d1a51/8bcb7ac647904023a28b73f1a0021bf2 [2019-09-20 15:48:07,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:48:07,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:48:07,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:07,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:48:07,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:48:07,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:07" (1/1) ... [2019-09-20 15:48:07,674 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 03:48:07, skipping insertion in model container [2019-09-20 15:48:07,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:07" (1/1) ... [2019-09-20 15:48:07,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:48:07,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:48:08,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:08,194 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:48:08,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:08,338 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:48:08,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08 WrapperNode [2019-09-20 15:48:08,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:08,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:48:08,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:48:08,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:48:08,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:48:08,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:48:08,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:48:08,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:48:08,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:08" (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 15:48:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:48:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:48:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:48:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:48:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:48:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:48:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:48:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:48:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:48:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:48:08,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:48:08,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:48:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:48:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:48:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:48:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:48:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:48:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:48:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:48:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:48:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:48:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:48:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:48:08,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:48:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:48:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:48:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:48:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:48:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:48:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:48:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:48:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:48:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:48:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:48:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:48:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:48:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:48:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:48:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:48:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:48:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:48:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:48:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:48:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:48:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:48:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:48:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:48:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:48:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:48:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:48:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:48:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:48:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:48:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:48:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:48:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:48:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:48:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:48:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:48:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:48:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:48:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:48:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:48:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:48:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:48:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:48:10,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:48:10,163 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:48:10,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:10 BoogieIcfgContainer [2019-09-20 15:48:10,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:48:10,165 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:48:10,165 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:48:10,166 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:48:10,167 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:10" (1/1) ... [2019-09-20 15:48:10,168 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 15:48:10,200 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:48:10,201 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:48:10,211 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:48:10,226 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:48:10,227 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:48:19,529 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:48:21,263 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:48:21,396 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:21,512 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:21,649 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:21,666 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:48:21,709 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:48:21,714 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:48:22,107 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:22,476 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:22,766 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:23,023 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:23,433 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:23,767 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:24,557 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:25,131 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:25,471 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:25,749 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:26,603 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:48:26,907 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2019-09-20 15:48:27,044 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:48:27,090 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:27,101 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 15:48:27,104 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-20 15:48:27,106 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:27,107 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:27,114 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 417#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:27,133 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:27,133 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:27,136 INFO L168 Benchmark]: Toolchain (without parser) took 19470.39 ms. Allocated memory was 135.8 MB in the beginning and 649.6 MB in the end (delta: 513.8 MB). Free memory was 81.6 MB in the beginning and 452.1 MB in the end (delta: -370.5 MB). Peak memory consumption was 143.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,138 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.97 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 81.4 MB in the beginning and 163.1 MB in the end (delta: -81.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,145 INFO L168 Benchmark]: Boogie Preprocessor took 120.01 ms. Allocated memory is still 197.1 MB. Free memory was 163.1 MB in the beginning and 159.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,147 INFO L168 Benchmark]: RCFGBuilder took 1705.03 ms. Allocated memory was 197.1 MB in the beginning and 212.9 MB in the end (delta: 15.7 MB). Free memory was 159.0 MB in the beginning and 142.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,147 INFO L168 Benchmark]: Sifa took 16968.24 ms. Allocated memory was 212.9 MB in the beginning and 649.6 MB in the end (delta: 436.7 MB). Free memory was 142.0 MB in the beginning and 452.1 MB in the end (delta: -310.2 MB). Peak memory consumption was 126.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:27,160 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 135.8 MB. Free memory was 101.9 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.97 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 81.4 MB in the beginning and 163.1 MB in the end (delta: -81.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.01 ms. Allocated memory is still 197.1 MB. Free memory was 163.1 MB in the beginning and 159.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1705.03 ms. Allocated memory was 197.1 MB in the beginning and 212.9 MB in the end (delta: 15.7 MB). Free memory was 159.0 MB in the beginning and 142.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 100.2 MB. Max. memory is 7.1 GB. * Sifa took 16968.24 ms. Allocated memory was 212.9 MB in the beginning and 649.6 MB in the end (delta: 436.7 MB). Free memory was 142.0 MB in the beginning and 452.1 MB in the end (delta: -310.2 MB). Peak memory consumption was 126.6 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]: 16913, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 209, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 11160, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 144, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_APPLICATIONS: 253, TOOLS_QUANTIFIERELIM_TIME[ms]: 11294, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11087, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 214, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 5071, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 169, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 126, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5305, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5304, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11517, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11517, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 344, DAG_COMPRESSION_RETAINED_NODES: 192 - 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 417#(and (<= ~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...