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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:19:51,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:19:51,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:19:51,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:19:51,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:19:51,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:19:51,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:19:51,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:19:51,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:19:51,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:19:51,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:19:51,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:19:51,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:19:51,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:19:51,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:19:51,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:19:51,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:19:51,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:19:51,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:19:51,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:19:51,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:19:51,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:19:51,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:19:51,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:19:51,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:19:51,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:19:51,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:19:51,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:19:51,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:19:51,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:19:51,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:19:51,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:19:51,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:19:51,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:19:51,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:19:51,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:19:51,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:19:51,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:19:51,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:19:51,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:19:51,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:19:51,664 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 10:19:51,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:19:51,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:19:51,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:19:51,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:19:51,685 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:19:51,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:19:51,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:19:51,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:19:51,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:19:51,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:19:51,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:19:51,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:19:51,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:19:51,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:19:51,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:19:51,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:19:51,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:19:51,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:19:51,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:19:51,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:19:51,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:19:51,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:19:51,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:19:51,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:19:51,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:19:51,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:19:51,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:19:51,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:19:51,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_DDA [2019-09-17 10:19:51,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:19:51,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:19:51,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:19:51,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:19:51,767 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:19:51,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-17 10:19:51,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5599a00/ae6bfac495a14a0bb0c497d51f6b2362/FLAG6b7d6391d [2019-09-17 10:19:52,395 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:19:52,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-17 10:19:52,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5599a00/ae6bfac495a14a0bb0c497d51f6b2362/FLAG6b7d6391d [2019-09-17 10:19:52,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5599a00/ae6bfac495a14a0bb0c497d51f6b2362 [2019-09-17 10:19:52,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:19:52,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:19:52,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:19:52,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:19:52,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:19:52,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:19:52" (1/1) ... [2019-09-17 10:19:52,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1824251d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:52, skipping insertion in model container [2019-09-17 10:19:52,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:19:52" (1/1) ... [2019-09-17 10:19:52,754 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:19:52,820 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:19:53,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:19:53,250 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:19:53,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:19:53,434 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:19:53,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53 WrapperNode [2019-09-17 10:19:53,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:19:53,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:19:53,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:19:53,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:19:53,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (1/1) ... [2019-09-17 10:19:53,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:19:53,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:19:53,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:19:53,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:19:53,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:53" (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 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:19:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:19:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:19:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:19:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:19:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:19:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:19:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:19:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:19:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:19:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:19:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:19:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:19:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:19:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:19:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:19:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:19:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:19:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:19:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:19:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:19:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:19:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:19:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:19:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:19:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:19:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:19:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:19:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:19:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:19:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:19:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:19:55,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:19:55,154 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:19:55,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:19:55 BoogieIcfgContainer [2019-09-17 10:19:55,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:19:55,156 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:19:55,156 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:19:55,156 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:19:55,158 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,158 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:19:55,186 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:19:55,186 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:19:55,199 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:19:55,210 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:19:55,215 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:20:18,837 WARN L191 SmtUtils]: Spent 13.91 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:20:20,551 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:20:24,582 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:20:24,869 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:20:24,885 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:20:24,951 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:20:24,975 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:20:26,002 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:26,434 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:20:27,558 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:20:28,131 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:20:29,075 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2019-09-17 10:20:29,432 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:20:30,451 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-17 10:20:30,834 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:20:31,768 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2019-09-17 10:20:32,109 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:20:33,122 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-17 10:20:33,126 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:20:33,129 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-17 10:20:33,838 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-17 10:20:34,082 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 10:20:34,085 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 103 for LOIs [2019-09-17 10:20:34,092 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-17 10:20:34,322 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-17 10:20:34,323 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:20:34,324 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:20:34,326 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 259#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-17 10:20:34,342 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:20:34,342 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:20:34,344 INFO L168 Benchmark]: Toolchain (without parser) took 41604.54 ms. Allocated memory was 140.0 MB in the beginning and 514.9 MB in the end (delta: 374.9 MB). Free memory was 86.9 MB in the beginning and 411.4 MB in the end (delta: -324.5 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,344 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.98 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 162.1 MB in the end (delta: -75.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,346 INFO L168 Benchmark]: Boogie Preprocessor took 101.29 ms. Allocated memory is still 199.2 MB. Free memory was 162.1 MB in the beginning and 157.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,347 INFO L168 Benchmark]: RCFGBuilder took 1618.57 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 157.8 MB in the beginning and 141.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,348 INFO L168 Benchmark]: Sifa took 39186.21 ms. Allocated memory was 224.4 MB in the beginning and 514.9 MB in the end (delta: 290.5 MB). Free memory was 141.0 MB in the beginning and 411.4 MB in the end (delta: -270.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-17 10:20:34,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.98 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 162.1 MB in the end (delta: -75.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.29 ms. Allocated memory is still 199.2 MB. Free memory was 162.1 MB in the beginning and 157.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.57 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 157.8 MB in the beginning and 141.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * Sifa took 39186.21 ms. Allocated memory was 224.4 MB in the beginning and 514.9 MB in the end (delta: 290.5 MB). Free memory was 141.0 MB in the beginning and 411.4 MB in the end (delta: -270.4 MB). Peak memory consumption was 20.1 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]: 39140, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 169, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME[ms]: 29324, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 125, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 46, TOOLS_QUANTIFIERELIM_APPLICATIONS: 203, TOOLS_QUANTIFIERELIM_TIME[ms]: 29413, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29277, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 9391, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 83, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5851, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5851, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29887, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29887, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 328, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 778]: 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 259#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...