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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:38:21,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:38:21,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:38:21,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:38:21,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:38:21,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:38:21,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:38:21,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:38:21,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:38:21,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:38:21,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:38:21,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:38:21,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:38:21,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:38:21,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:38:21,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:38:21,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:38:21,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:38:21,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:38:21,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:38:21,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:38:21,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:38:21,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:38:21,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:38:21,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:38:21,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:38:21,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:38:21,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:38:21,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:38:21,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:38:21,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:38:21,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:38:21,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:38:21,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:38:21,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:38:21,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:38:21,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:38:21,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:38:21,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:38:21,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:38:21,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:38:21,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:38:21,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:38:21,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:38:21,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:38:21,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:38:21,717 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:38:21,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:38:21,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:38:21,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:38:21,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:38:21,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:38:21,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:38:21,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:38:21,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:38:21,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:38:21,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:38:21,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:38:21,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:38:21,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:38:21,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:38:21,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:38:21,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:38:21,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:38:21,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:38:21,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:38:21,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:38:21,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:38:21,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:38:21,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:38:21,722 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:38:21,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:38:21,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:38:21,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:38:21,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:38:21,769 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:38:21,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-09-20 22:38:21,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4391c621/c1e70bbd60c1476aa8dd1bb7d4535adb/FLAG5a667ac5a [2019-09-20 22:38:22,387 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:38:22,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-09-20 22:38:22,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4391c621/c1e70bbd60c1476aa8dd1bb7d4535adb/FLAG5a667ac5a [2019-09-20 22:38:22,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4391c621/c1e70bbd60c1476aa8dd1bb7d4535adb [2019-09-20 22:38:22,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:38:22,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:38:22,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:38:22,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:38:22,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:38:22,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:38:22" (1/1) ... [2019-09-20 22:38:22,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ba6314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:22, skipping insertion in model container [2019-09-20 22:38:22,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:38:22" (1/1) ... [2019-09-20 22:38:22,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:38:22,756 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:38:23,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:38:23,203 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:38:23,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:38:23,370 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:38:23,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23 WrapperNode [2019-09-20 22:38:23,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:38:23,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:38:23,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:38:23,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:38:23,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... [2019-09-20 22:38:23,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:38:23,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:38:23,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:38:23,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:38:23,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:38:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:38:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:38:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:38:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:38:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:38:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:38:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:38:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:38:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:38:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:38:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:38:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:38:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 22:38:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:38:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:38:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:38:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:38:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:38:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 22:38:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:38:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:38:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:38:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:38:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:38:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:38:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:38:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:38:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:38:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:38:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:38:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:38:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:38:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:38:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:38:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:38:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:38:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:38:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:38:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:38:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:38:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:38:24,989 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:38:24,990 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:38:24,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:38:24 BoogieIcfgContainer [2019-09-20 22:38:24,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:38:24,992 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:38:24,992 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:38:24,992 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:38:24,993 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:38:24" (1/1) ... [2019-09-20 22:38:24,994 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:38:25,018 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:38:25,022 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:38:25,034 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:38:25,044 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:38:25,045 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:38:47,126 WARN L191 SmtUtils]: Spent 13.26 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:38:48,920 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:38:52,721 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:38:54,343 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:56,002 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:56,034 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:38:56,081 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:38:56,093 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:39:06,321 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:39:06,363 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:39:06,385 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:39:06,391 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:39:06,399 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:39:06,399 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:39:06,401 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 9241#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:39:06,414 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:39:06,414 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:39:06,416 INFO L168 Benchmark]: Toolchain (without parser) took 43712.85 ms. Allocated memory was 133.2 MB in the beginning and 536.9 MB in the end (delta: 403.7 MB). Free memory was 88.5 MB in the beginning and 245.6 MB in the end (delta: -157.1 MB). Peak memory consumption was 246.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:06,417 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:39:06,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.69 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 161.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:06,419 INFO L168 Benchmark]: Boogie Preprocessor took 98.33 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 157.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:06,420 INFO L168 Benchmark]: RCFGBuilder took 1521.63 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 156.7 MB in the beginning and 139.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:06,423 INFO L168 Benchmark]: Sifa took 41422.81 ms. Allocated memory was 224.9 MB in the beginning and 536.9 MB in the end (delta: 312.0 MB). Free memory was 139.5 MB in the beginning and 245.6 MB in the end (delta: -106.1 MB). Peak memory consumption was 205.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:06,434 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 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.69 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 161.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.33 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 157.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1521.63 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 156.7 MB in the beginning and 139.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * Sifa took 41422.81 ms. Allocated memory was 224.9 MB in the beginning and 536.9 MB in the end (delta: 312.0 MB). Free memory was 139.5 MB in the beginning and 245.6 MB in the end (delta: -106.1 MB). Peak memory consumption was 205.9 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]: 41382, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 3148, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2298, TOOLS_POST_TIME[ms]: 27883, TOOLS_POST_CALL_APPLICATIONS: 655, TOOLS_POST_CALL_TIME[ms]: 156, TOOLS_POST_RETURN_APPLICATIONS: 646, TOOLS_POST_RETURN_TIME[ms]: 119, TOOLS_QUANTIFIERELIM_APPLICATIONS: 3599, TOOLS_QUANTIFIERELIM_TIME[ms]: 27896, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27603, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 3342, FLUID_YES_ANSWERS: 3342, DOMAIN_JOIN_APPLICATIONS: 763, DOMAIN_JOIN_TIME[ms]: 10193, DOMAIN_ALPHA_APPLICATIONS: 3342, DOMAIN_ALPHA_TIME[ms]: 2292, DOMAIN_WIDEN_APPLICATIONS: 17, DOMAIN_WIDEN_TIME[ms]: 20, DOMAIN_ISSUBSETEQ_APPLICATIONS: 194, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 454, DOMAIN_ISBOTTOM_TIME[ms]: 305, LOOP_SUMMARIZER_APPLICATIONS: 177, LOOP_SUMMARIZER_CACHE_MISSES: 177, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8841, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8840, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 194, CALL_SUMMARIZER_APPLICATIONS: 646, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31346, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31344, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 83, DAG_COMPRESSION_PROCESSED_NODES: 2335, DAG_COMPRESSION_RETAINED_NODES: 648 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 9241#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...