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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:36:04,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:36:04,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:36:04,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:36:04,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:36:04,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:36:04,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:36:04,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:36:04,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:36:04,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:36:04,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:36:04,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:36:04,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:36:04,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:36:04,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:36:04,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:36:04,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:36:04,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:36:04,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:36:04,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:36:04,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:36:04,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:36:04,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:36:04,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:36:04,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:36:04,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:36:04,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:36:04,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:36:04,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:36:04,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:36:04,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:36:04,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:36:04,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:36:04,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:36:04,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:36:04,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:36:04,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:36:04,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:36:04,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:36:04,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:36:04,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:36:04,980 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 10:36:04,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:36:04,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:36:04,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:36:04,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:36:04,996 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:36:04,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:36:04,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:36:04,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:36:04,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:36:04,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:36:04,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:36:04,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:36:04,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:36:04,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:36:04,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:36:04,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:36:04,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:36:04,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:36:04,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:36:05,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:36:05,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:36:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:36:05,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:36:05,000 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 10:36:05,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:36:05,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:36:05,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:36:05,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:36:05,066 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:36:05,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2019-09-17 10:36:05,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9184173/2a02ef5e4950440ab734e752f866a404/FLAG83b065820 [2019-09-17 10:36:05,667 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:36:05,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2019-09-17 10:36:05,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9184173/2a02ef5e4950440ab734e752f866a404/FLAG83b065820 [2019-09-17 10:36:05,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9184173/2a02ef5e4950440ab734e752f866a404 [2019-09-17 10:36:05,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:36:05,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:36:05,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:36:05,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:36:05,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:36:05,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:36:05" (1/1) ... [2019-09-17 10:36:05,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f07061d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:05, skipping insertion in model container [2019-09-17 10:36:05,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:36:05" (1/1) ... [2019-09-17 10:36:05,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:36:05,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:36:06,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:36:06,460 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:36:06,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:36:06,575 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:36:06,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06 WrapperNode [2019-09-17 10:36:06,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:36:06,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:36:06,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:36:06,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:36:06,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (1/1) ... [2019-09-17 10:36:06,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:36:06,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:36:06,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:36:06,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:36:06,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:36:06" (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 10:36:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:36:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:36:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:36:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:36:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:36:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:36:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:36:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:36:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:36:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:36:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:36:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:36:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:36:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:36:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:36:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:36:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:36:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:36:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:36:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:36:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:36:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:36:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:36:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:36:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:36:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:36:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:36:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:36:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:36:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:36:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:36:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:36:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:36:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:36:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:36:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:36:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:36:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:36:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:36:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:36:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:36:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:36:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:36:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:36:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:36:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:36:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:36:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:36:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:36:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:36:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:36:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:36:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:36:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:36:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:36:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:36:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:36:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:36:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:36:08,508 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:36:08,508 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:36:08,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:36:08 BoogieIcfgContainer [2019-09-17 10:36:08,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:36:08,511 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:36:08,511 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:36:08,511 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:36:08,512 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:36:08" (1/1) ... [2019-09-17 10:36:08,513 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 10:36:08,537 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:36:08,537 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:36:08,547 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:36:08,555 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:36:08,557 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:36:31,627 WARN L191 SmtUtils]: Spent 13.36 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:36:33,350 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:36:37,158 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:36:37,454 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:36:37,465 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:36:37,508 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:36:37,521 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:36:38,571 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:39,561 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:40,570 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:41,533 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:42,522 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:43,489 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:44,586 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:45,543 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:46,510 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:36:46,921 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:36:47,278 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:36:48,411 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:36:49,101 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:36:50,132 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:36:51,124 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:36:51,498 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:36:51,821 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:36:52,779 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:36:53,200 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:36:54,195 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:36:55,168 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:36:55,491 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:36:55,887 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:36:56,240 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:36:57,292 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:36:57,645 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:36:58,651 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:36:59,645 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:36:59,997 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:00,326 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:01,275 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:01,625 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:02,622 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:03,600 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:03,974 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:04,338 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:05,407 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:05,758 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:06,767 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:07,771 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:08,115 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:08,435 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:09,381 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:09,739 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:10,804 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:11,790 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:12,121 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:37:13,054 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:13,998 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:37:14,366 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:14,717 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:15,762 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:16,170 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:17,165 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:18,171 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:18,528 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:18,851 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:19,811 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:20,297 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:21,281 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:22,274 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:22,596 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:37:22,979 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:23,351 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:24,398 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:24,774 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:25,801 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:26,801 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:27,155 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:27,485 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:28,443 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:28,785 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:29,773 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:30,768 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:31,142 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:31,499 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:32,558 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:32,927 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:33,939 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:34,957 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:35,301 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:35,625 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:36,576 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:36,925 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:37,914 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:38,910 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:39,227 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:37:40,178 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:40,557 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:40,917 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:41,957 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:42,317 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:43,309 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:44,307 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:44,650 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:44,977 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:45,926 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:46,264 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:47,249 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:48,225 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:48,545 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:37:48,934 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:49,292 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:50,329 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:50,677 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:51,683 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:52,692 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:37:53,028 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:53,352 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:37:54,337 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:37:54,689 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:37:55,664 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:56,641 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:37:57,009 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:57,366 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:37:58,411 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:37:58,799 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 10:37:59,784 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:38:00,786 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 10:38:01,129 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:01,452 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:02,399 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:38:02,742 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:38:03,725 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:04,706 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:38:05,040 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:38:05,996 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-17 10:38:05,999 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:38:06,002 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 108 for LOIs [2019-09-17 10:38:06,677 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-17 10:38:06,901 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-17 10:38:07,142 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-17 10:38:07,143 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 105 for LOIs [2019-09-17 10:38:07,148 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 106 for LOIs [2019-09-17 10:38:07,368 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:38:07,368 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:38:07,368 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:38:07,370 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 803#(and (<= |#t~string33.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~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 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|) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)) [2019-09-17 10:38:07,383 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:38:07,383 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:38:07,385 INFO L168 Benchmark]: Toolchain (without parser) took 121455.17 ms. Allocated memory was 131.1 MB in the beginning and 228.6 MB in the end (delta: 97.5 MB). Free memory was 85.4 MB in the beginning and 166.7 MB in the end (delta: -81.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:07,385 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 131.1 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:38:07,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.33 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.4 MB in the beginning and 161.6 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:07,387 INFO L168 Benchmark]: Boogie Preprocessor took 112.06 ms. Allocated memory is still 197.7 MB. Free memory was 161.6 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:07,388 INFO L168 Benchmark]: RCFGBuilder took 1821.34 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 156.9 MB in the beginning and 135.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:07,388 INFO L168 Benchmark]: Sifa took 118872.63 ms. Allocated memory was 218.6 MB in the beginning and 228.6 MB in the end (delta: 10.0 MB). Free memory was 135.6 MB in the beginning and 166.7 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:38:07,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 131.1 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.33 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.4 MB in the beginning and 161.6 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.06 ms. Allocated memory is still 197.7 MB. Free memory was 161.6 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1821.34 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 156.9 MB in the beginning and 135.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 118872.63 ms. Allocated memory was 218.6 MB in the beginning and 228.6 MB in the end (delta: 10.0 MB). Free memory was 135.6 MB in the beginning and 166.7 MB in the end (delta: -31.1 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]: 118834, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 508, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 342, TOOLS_POST_TIME[ms]: 28681, TOOLS_POST_CALL_APPLICATIONS: 137, TOOLS_POST_CALL_TIME[ms]: 220, TOOLS_POST_RETURN_APPLICATIONS: 130, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 608, TOOLS_QUANTIFIERELIM_TIME[ms]: 28846, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28535, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 526, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 183, DOMAIN_JOIN_TIME[ms]: 89269, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 103, DOMAIN_ISBOTTOM_TIME[ms]: 309, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 73742, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 73741, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 130, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29311, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29310, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 653, DAG_COMPRESSION_RETAINED_NODES: 298 - UnprovableResult [Line: 206]: 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 803#(and (<= |#t~string33.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~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 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|) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...