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_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:36:31,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:36:31,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:36:31,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:36:31,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:36:31,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:36:31,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:36:31,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:36:31,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:36:31,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:36:31,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:36:31,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:36:31,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:36:31,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:36:31,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:36:31,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:36:31,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:36:31,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:36:31,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:36:31,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:36:31,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:36:31,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:36:31,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:36:31,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:36:31,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:36:31,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:36:31,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:36:31,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:36:31,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:36:31,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:36:31,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:36:31,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:36:31,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:36:31,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:36:31,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:36:31,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:36:31,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:36:31,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:36:31,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:36:31,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:36:31,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:36:31,735 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 10:36:31,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:36:31,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:36:31,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:36:31,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:36:31,751 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:36:31,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:36:31,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:36:31,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:36:31,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:36:31,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:36:31,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:36:31,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:36:31,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:36:31,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:36:31,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:36:31,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:36:31,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:36:31,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:36:31,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:36:31,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:36:31,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:36:31,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:36:31,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:36:31,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:36:31,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:36:31,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:36:31,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:36:31,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:36:31,756 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 10:36:31,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:36:31,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:36:31,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:36:31,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:36:31,804 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:36:31,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-09-17 10:36:31,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100827b78/01a36316a52244cf8259690f6a22f63d/FLAG913f0a532 [2019-09-17 10:36:32,370 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:36:32,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-09-17 10:36:32,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100827b78/01a36316a52244cf8259690f6a22f63d/FLAG913f0a532 [2019-09-17 10:36:32,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100827b78/01a36316a52244cf8259690f6a22f63d [2019-09-17 10:36:32,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:36:32,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:36:32,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:36:32,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:36:32,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:36:32,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:36:32" (1/1) ... [2019-09-17 10:36:32,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:32, skipping insertion in model container [2019-09-17 10:36:32,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:36:32" (1/1) ... [2019-09-17 10:36:32,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:36:32,774 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:36:33,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:36:33,281 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:36:33,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:36:33,440 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:36:33,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33 WrapperNode [2019-09-17 10:36:33,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:36:33,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:36:33,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:36:33,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:36:33,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (1/1) ... [2019-09-17 10:36:33,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:36:33,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:36:33,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:36:33,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:36:33,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:33" (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 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:36:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:36:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:36:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:36:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:36:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:36:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:36:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:36:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:36:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:36:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:36:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:36:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:36:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:36:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:36:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:36:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:36:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:36:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:36:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:36:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:36:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:36:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:36:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:36:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:36:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:36:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:36:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:36:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:36:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:36:35,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:36:35,142 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:36:35,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:36:35 BoogieIcfgContainer [2019-09-17 10:36:35,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:36:35,144 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:36:35,144 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:36:35,144 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:36:35,145 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:36:35" (1/1) ... [2019-09-17 10:36:35,146 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 10:36:35,179 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:36:35,179 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:36:35,194 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:36:35,210 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:36:35,211 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:36:59,933 WARN L191 SmtUtils]: Spent 15.74 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:37:01,702 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:37:05,599 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:37:05,895 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:37:05,911 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:37:05,968 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:37:05,982 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:37:07,013 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:37:08,185 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:08,558 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 10:37:09,267 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:10,169 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:37:11,240 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:37:11,589 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:37:12,046 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:12,961 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:37:13,888 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:37:14,771 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:37:15,678 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:37:16,073 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:16,418 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:17,454 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:18,556 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:18,900 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:19,262 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:20,272 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:20,639 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:20,991 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:21,324 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:22,325 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:23,357 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:23,709 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:24,055 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:25,053 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:25,396 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:25,737 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:26,063 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:27,061 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:28,099 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:28,441 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:28,778 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:29,682 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:30,047 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:30,373 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:31,366 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:32,411 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:32,745 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:33,078 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:34,060 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:34,389 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:34,746 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:35,079 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:36,073 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:37,096 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:37,440 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:37,777 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:38,753 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:39,083 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:39,464 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:39,796 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:40,789 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:41,822 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:42,260 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:42,615 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:43,572 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:43,942 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:44,285 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:45,304 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:46,408 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:46,759 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:47,114 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:48,169 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:48,519 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:48,884 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:49,218 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:50,267 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:51,346 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:51,697 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:52,071 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:53,079 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:53,425 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:53,781 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:54,117 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:54,481 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:54,820 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:55,840 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:56,923 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:57,269 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:57,617 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:58,654 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:58,996 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:59,364 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:37:59,701 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:00,732 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:01,813 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:38:02,165 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:38:02,523 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:38:03,534 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:03,889 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:38:04,216 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:38:05,248 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:38:05,584 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:38:06,598 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:07,593 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:07,900 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:38:08,231 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:08,592 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:38:08,933 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:38:09,933 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-17 10:38:10,269 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:10,271 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:38:10,273 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 108 for LOIs [2019-09-17 10:38:10,950 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-17 10:38:11,639 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2019-09-17 10:38:12,341 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2019-09-17 10:38:12,342 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 105 for LOIs [2019-09-17 10:38:12,347 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 106 for LOIs [2019-09-17 10:38:12,581 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:38:12,582 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:38:12,582 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:38:12,585 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 860#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-09-17 10:38:12,602 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:38:12,602 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:38:12,606 INFO L168 Benchmark]: Toolchain (without parser) took 99900.22 ms. Allocated memory was 135.3 MB in the beginning and 456.7 MB in the end (delta: 321.4 MB). Free memory was 84.6 MB in the beginning and 418.2 MB in the end (delta: -333.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:38:12,607 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:38:12,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.60 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 84.4 MB in the beginning and 165.4 MB in the end (delta: -81.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:12,609 INFO L168 Benchmark]: Boogie Preprocessor took 101.43 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:12,610 INFO L168 Benchmark]: RCFGBuilder took 1593.32 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 160.5 MB in the beginning and 140.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:12,611 INFO L168 Benchmark]: Sifa took 97458.33 ms. Allocated memory was 224.4 MB in the beginning and 456.7 MB in the end (delta: 232.3 MB). Free memory was 140.3 MB in the beginning and 418.2 MB in the end (delta: -277.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:38:12,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.60 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 84.4 MB in the beginning and 165.4 MB in the end (delta: -81.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.43 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1593.32 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 160.5 MB in the beginning and 140.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Sifa took 97458.33 ms. Allocated memory was 224.4 MB in the beginning and 456.7 MB in the end (delta: 232.3 MB). Free memory was 140.3 MB in the beginning and 418.2 MB in the end (delta: -277.9 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]: 97406, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 571, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 378, TOOLS_POST_TIME[ms]: 30454, TOOLS_POST_CALL_APPLICATIONS: 161, TOOLS_POST_CALL_TIME[ms]: 290, TOOLS_POST_RETURN_APPLICATIONS: 154, TOOLS_POST_RETURN_TIME[ms]: 142, TOOLS_QUANTIFIERELIM_APPLICATIONS: 692, TOOLS_QUANTIFIERELIM_TIME[ms]: 30677, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30298, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 591, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 160, DOMAIN_JOIN_TIME[ms]: 65923, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 310, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 50310, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 50309, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 154, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31118, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31117, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 635, DAG_COMPRESSION_RETAINED_NODES: 349 - UnprovableResult [Line: 521]: 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 860#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...