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_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:08:28,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:08:28,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:08:28,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:08:28,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:08:28,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:08:28,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:08:28,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:08:28,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:08:28,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:08:28,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:08:28,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:08:28,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:08:28,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:08:28,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:08:28,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:08:28,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:08:28,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:08:28,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:08:28,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:08:28,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:08:28,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:08:28,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:08:28,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:08:28,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:08:28,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:08:28,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:08:28,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:08:28,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:08:28,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:08:28,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:08:28,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:08:28,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:08:28,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:08:28,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:08:28,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:08:28,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:08:28,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:08:28,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:08:28,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:08:28,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:08:28,617 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 06:08:28,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:08:28,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:08:28,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:08:28,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:08:28,633 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:08:28,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:08:28,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:08:28,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:08:28,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:08:28,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:08:28,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:08:28,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:08:28,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:08:28,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:08:28,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:08:28,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:08:28,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:08:28,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:08:28,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:08:28,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:08:28,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:08:28,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:08:28,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:08:28,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:08:28,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:08:28,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:08:28,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:08:28,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:08:28,638 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 06:08:28,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:08:28,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:08:28,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:08:28,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:08:28,708 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:08:28,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 06:08:28,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2513e6982/f9776f833aed4ee3809c652c3efef971/FLAG9d7b8277e [2019-09-17 06:08:29,341 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:08:29,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 06:08:29,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2513e6982/f9776f833aed4ee3809c652c3efef971/FLAG9d7b8277e [2019-09-17 06:08:29,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2513e6982/f9776f833aed4ee3809c652c3efef971 [2019-09-17 06:08:29,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:08:29,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:08:29,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:29,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:08:29,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:08:29,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:29" (1/1) ... [2019-09-17 06:08:29,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c71e295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:29, skipping insertion in model container [2019-09-17 06:08:29,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:29" (1/1) ... [2019-09-17 06:08:29,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:08:29,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:08:30,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:30,279 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:08:30,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:30,432 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:08:30,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30 WrapperNode [2019-09-17 06:08:30,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:30,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:08:30,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:08:30,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:08:30,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (1/1) ... [2019-09-17 06:08:30,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:08:30,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:08:30,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:08:30,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:08:30,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:30" (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 06:08:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:08:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:08:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:08:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:08:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:08:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:08:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:08:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:08:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:08:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:08:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:08:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:08:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:08:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:08:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:08:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:08:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:08:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:08:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:08:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:08:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:08:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:08:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:08:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:08:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:08:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:08:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:08:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:08:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:08:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:08:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:08:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:08:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:08:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:08:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:08:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:08:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:08:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:08:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:08:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:08:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:08:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:08:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:08:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:08:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:08:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:08:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:08:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:08:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:08:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:08:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:08:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:08:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:08:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:08:32,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:08:32,447 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:08:32,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:32 BoogieIcfgContainer [2019-09-17 06:08:32,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:08:32,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:08:32,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:08:32,450 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:08:32,451 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:32" (1/1) ... [2019-09-17 06:08:32,451 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 06:08:32,476 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:08:32,476 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:08:32,489 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:08:32,502 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:08:32,505 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:08:43,337 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:08:45,165 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:08:45,306 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:45,454 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:45,574 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:45,591 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-17 06:08:45,640 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-17 06:08:45,648 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-17 06:08:45,822 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 06:08:45,941 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 06:08:46,348 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-17 06:08:46,690 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-17 06:08:47,316 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:08:47,391 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:08:47,404 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-17 06:08:47,409 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-17 06:08:47,413 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:47,413 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:47,415 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1466#(and (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:47,430 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:47,430 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:47,433 INFO L168 Benchmark]: Toolchain (without parser) took 17772.80 ms. Allocated memory was 136.8 MB in the beginning and 413.7 MB in the end (delta: 276.8 MB). Free memory was 83.3 MB in the beginning and 334.3 MB in the end (delta: -251.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:47,434 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 06:08:47,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.98 ms. Allocated memory was 136.8 MB in the beginning and 196.1 MB in the end (delta: 59.2 MB). Free memory was 82.9 MB in the beginning and 158.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:47,440 INFO L168 Benchmark]: Boogie Preprocessor took 102.11 ms. Allocated memory is still 196.1 MB. Free memory was 158.4 MB in the beginning and 153.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:47,446 INFO L168 Benchmark]: RCFGBuilder took 1911.28 ms. Allocated memory was 196.1 MB in the beginning and 214.4 MB in the end (delta: 18.4 MB). Free memory was 153.8 MB in the beginning and 133.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:47,447 INFO L168 Benchmark]: Sifa took 14981.50 ms. Allocated memory was 214.4 MB in the beginning and 413.7 MB in the end (delta: 199.2 MB). Free memory was 133.0 MB in the beginning and 334.3 MB in the end (delta: -201.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 06:08:47,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.98 ms. Allocated memory was 136.8 MB in the beginning and 196.1 MB in the end (delta: 59.2 MB). Free memory was 82.9 MB in the beginning and 158.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.11 ms. Allocated memory is still 196.1 MB. Free memory was 158.4 MB in the beginning and 153.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1911.28 ms. Allocated memory was 196.1 MB in the beginning and 214.4 MB in the end (delta: 18.4 MB). Free memory was 153.8 MB in the beginning and 133.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 14981.50 ms. Allocated memory was 214.4 MB in the beginning and 413.7 MB in the end (delta: 199.2 MB). Free memory was 133.0 MB in the beginning and 334.3 MB in the end (delta: -201.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14940, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 358, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 230, TOOLS_POST_TIME[ms]: 12808, TOOLS_POST_CALL_APPLICATIONS: 97, TOOLS_POST_CALL_TIME[ms]: 210, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 99, TOOLS_QUANTIFIERELIM_APPLICATIONS: 415, TOOLS_QUANTIFIERELIM_TIME[ms]: 12999, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12702, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 373, FLUID_YES_ANSWERS: 16, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 1425, DOMAIN_ALPHA_APPLICATIONS: 16, DOMAIN_ALPHA_TIME[ms]: 95, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 20, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 75, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1311, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1310, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13198, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13197, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 502, DAG_COMPRESSION_RETAINED_NODES: 276 - UnprovableResult [Line: 750]: 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 1466#(and (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...