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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:02:10,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:02:10,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:02:10,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:02:10,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:02:10,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:02:10,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:02:10,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:02:10,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:02:10,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:02:10,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:02:10,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:02:10,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:02:10,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:02:10,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:02:10,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:02:10,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:02:10,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:02:10,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:02:10,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:02:10,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:02:10,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:02:10,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:02:10,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:02:10,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:02:10,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:02:10,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:02:10,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:02:10,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:02:10,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:02:10,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:02:10,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:02:10,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:02:10,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:02:10,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:02:10,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:02:10,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:02:10,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:02:10,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:02:10,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:02:10,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:02:10,629 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 [2019-09-17 06:02:10,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:02:10,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:02:10,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:02:10,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:02:10,647 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:02:10,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:02:10,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:02:10,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:02:10,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:02:10,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:02:10,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:02:10,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:02:10,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:02:10,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:02:10,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:02:10,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:02:10,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:02:10,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:02:10,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:02:10,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:02:10,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:02:10,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:02:10,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:02:10,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:02:10,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:02:10,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:02:10,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:02:10,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:02:10,652 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 [2019-09-17 06:02:10,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:02:10,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:02:10,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:02:10,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:02:10,709 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:02:10,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-17 06:02:10,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639d58e24/3fabd5e862b640518996a74af3c524f1/FLAG5c7b41b52 [2019-09-17 06:02:11,318 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:02:11,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-17 06:02:11,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639d58e24/3fabd5e862b640518996a74af3c524f1/FLAG5c7b41b52 [2019-09-17 06:02:11,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639d58e24/3fabd5e862b640518996a74af3c524f1 [2019-09-17 06:02:11,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:02:11,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:02:11,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:02:11,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:02:11,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:02:11,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:02:11" (1/1) ... [2019-09-17 06:02:11,616 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 17.09 06:02:11, skipping insertion in model container [2019-09-17 06:02:11,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:02:11" (1/1) ... [2019-09-17 06:02:11,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:02:11,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:02:12,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:02:12,148 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:02:12,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:02:12,278 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:02:12,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12 WrapperNode [2019-09-17 06:02:12,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:02:12,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:02:12,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:02:12,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:02:12,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (1/1) ... [2019-09-17 06:02:12,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:02:12,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:02:12,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:02:12,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:02:12,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:12" (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 [2019-09-17 06:02:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:02:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:02:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:02:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:02:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:02:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:02:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:02:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:02:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:02:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:02:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:02:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:02:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:02:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:02:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:02:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:02:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:02:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:02:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:02:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:02:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:02:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:02:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:02:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:02:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:02:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:02:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:02:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:02:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:02:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:02:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:02:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:02:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:02:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:02:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:02:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:02:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:02:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:02:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:02:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:02:14,156 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:02:14,157 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:02:14,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:02:14 BoogieIcfgContainer [2019-09-17 06:02:14,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:02:14,159 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:02:14,159 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:02:14,159 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:02:14,161 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:02:14" (1/1) ... [2019-09-17 06:02:14,161 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 [2019-09-17 06:02:14,185 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:02:14,185 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:02:14,195 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:02:14,204 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:02:14,206 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:02:23,572 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:02:25,365 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:02:25,521 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:25,680 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:25,824 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:25,842 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:02:25,897 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:02:25,904 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:02:26,076 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:02:26,220 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:02:26,614 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:26,941 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:27,260 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:27,510 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:27,724 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:27,931 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:28,372 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:28,722 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:29,527 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:30,121 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:31,012 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:02:31,514 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:02:31,819 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 518 [2019-09-17 06:02:32,015 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-17 06:02:32,501 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:33,030 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:33,484 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 544 [2019-09-17 06:02:33,925 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:34,633 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-17 06:02:35,331 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:35,620 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:36,869 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:37,494 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:38,311 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:02:38,896 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:02:39,296 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 516 [2019-09-17 06:02:39,514 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:02:40,016 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-17 06:02:40,457 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-17 06:02:40,959 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 542 [2019-09-17 06:02:41,400 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-17 06:02:42,114 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-17 06:02:42,496 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:42,780 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:43,457 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:44,001 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:02:44,429 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:02:44,722 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:02:44,962 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 518 [2019-09-17 06:02:45,158 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-17 06:02:45,577 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:46,012 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:46,458 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 544 [2019-09-17 06:02:46,877 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:02:47,546 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-17 06:02:47,589 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 27 for LOIs [2019-09-17 06:02:47,634 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:02:47,644 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-17 06:02:47,646 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-17 06:02:47,647 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:02:47,647 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:02:47,649 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 560#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-17 06:02:47,663 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:02:47,663 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:02:47,665 INFO L168 Benchmark]: Toolchain (without parser) took 36059.23 ms. Allocated memory was 138.9 MB in the beginning and 950.5 MB in the end (delta: 811.6 MB). Free memory was 85.7 MB in the beginning and 443.7 MB in the end (delta: -358.0 MB). Peak memory consumption was 453.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,666 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.69 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.5 MB in the beginning and 165.0 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,667 INFO L168 Benchmark]: Boogie Preprocessor took 95.12 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 160.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,668 INFO L168 Benchmark]: RCFGBuilder took 1784.19 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 146.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,669 INFO L168 Benchmark]: Sifa took 33504.27 ms. Allocated memory was 222.3 MB in the beginning and 950.5 MB in the end (delta: 728.2 MB). Free memory was 146.4 MB in the beginning and 443.7 MB in the end (delta: -297.3 MB). Peak memory consumption was 430.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:47,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.69 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.5 MB in the beginning and 165.0 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.12 ms. Allocated memory is still 199.2 MB. Free memory was 165.0 MB in the beginning and 160.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1784.19 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 146.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 33504.27 ms. Allocated memory was 222.3 MB in the beginning and 950.5 MB in the end (delta: 728.2 MB). Free memory was 146.4 MB in the beginning and 443.7 MB in the end (delta: -297.3 MB). Peak memory consumption was 430.9 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]: 33464, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 283, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 183, TOOLS_POST_TIME[ms]: 11444, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 330, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 260, TOOLS_QUANTIFIERELIM_APPLICATIONS: 342, TOOLS_QUANTIFIERELIM_TIME[ms]: 11877, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11255, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 292, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 18865, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2060, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 298, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17369, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17369, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11763, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11762, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 405, DAG_COMPRESSION_RETAINED_NODES: 221 - UnprovableResult [Line: 578]: 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 560#(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...