java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:51:51,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:51:51,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:51:51,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:51:51,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:51:51,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:51:51,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:51:51,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:51:51,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:51:51,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:51:51,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:51:51,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:51:51,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:51:51,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:51:51,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:51:51,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:51:51,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:51:51,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:51:51,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:51:51,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:51:51,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:51:51,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:51:51,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:51:51,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:51:51,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:51:51,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:51:51,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:51:51,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:51:51,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:51:51,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:51:51,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:51:51,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:51:51,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:51:51,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:51:51,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:51:51,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:51:51,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:51:51,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:51:51,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:51:51,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:51:51,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:51:51,945 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 [2019-09-18 03:51:51,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:51:51,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:51:51,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:51:51,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:51:51,981 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:51:51,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:51:51,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:51:51,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:51:51,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:51:51,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:51:51,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:51:51,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:51:51,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:51:51,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:51:51,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:51:51,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:51:51,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:51:51,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:51:51,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:51:51,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:51:51,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:51:51,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:51:51,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:51:51,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:51:51,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:51:51,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:51:51,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:51:51,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:51:51,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 [2019-09-18 03:51:52,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:51:52,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:51:52,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:51:52,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:51:52,058 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:51:52,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-18 03:51:52,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9da2c39/239d8c6e1a4b4524bcb1c88a32095cfb/FLAG22ace39ef [2019-09-18 03:51:52,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:51:52,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-18 03:51:52,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9da2c39/239d8c6e1a4b4524bcb1c88a32095cfb/FLAG22ace39ef [2019-09-18 03:51:52,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9da2c39/239d8c6e1a4b4524bcb1c88a32095cfb [2019-09-18 03:51:52,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:51:52,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:51:52,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:51:52,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:51:52,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:51:52,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:51:52" (1/1) ... [2019-09-18 03:51:52,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545a310a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:52, skipping insertion in model container [2019-09-18 03:51:52,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:51:52" (1/1) ... [2019-09-18 03:51:52,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:51:53,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:51:53,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:51:53,512 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:51:53,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:51:53,657 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:51:53,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53 WrapperNode [2019-09-18 03:51:53,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:51:53,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:51:53,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:51:53,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:51:53,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... [2019-09-18 03:51:53,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:51:53,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:51:53,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:51:53,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:51:53,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:51:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:51:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:51:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:51:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:51:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:51:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:51:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:51:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:51:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:51:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:51:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 03:51:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:51:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:51:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:51:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:51:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:51:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:51:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:51:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:51:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:51:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:51:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:51:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:51:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:51:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:51:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:51:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:51:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:51:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:51:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:51:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 03:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:51:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:51:54,824 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:51:54,824 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:51:54,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:51:54 BoogieIcfgContainer [2019-09-18 03:51:54,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:51:54,826 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:51:54,827 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:51:54,827 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:51:54,828 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:51:54" (1/1) ... [2019-09-18 03:51:54,829 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:51:54,853 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:51:54,853 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:51:54,861 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:51:54,869 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:51:54,870 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:52:13,704 WARN L191 SmtUtils]: Spent 11.09 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 03:52:15,321 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:52:19,276 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 03:52:21,098 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:52:22,927 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:52:22,941 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 03:52:23,010 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 03:52:23,036 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 03:52:34,612 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 463 DAG size of output: 459 [2019-09-18 03:52:40,193 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:52:51,324 WARN L191 SmtUtils]: Spent 11.13 s on a formula simplification. DAG size of input: 463 DAG size of output: 459 [2019-09-18 03:52:56,869 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:53:08,072 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 460 DAG size of output: 459 [2019-09-18 03:53:13,555 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:53:24,668 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 460 DAG size of output: 459 [2019-09-18 03:53:30,099 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:53:41,218 WARN L191 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 460 DAG size of output: 459 [2019-09-18 03:53:46,733 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:53:57,944 WARN L191 SmtUtils]: Spent 11.21 s on a formula simplification. DAG size of input: 460 DAG size of output: 459 [2019-09-18 03:54:03,487 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 03:54:18,361 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 466 DAG size of output: 462 [2019-09-18 03:54:18,567 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:54:18,939 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:54:33,654 WARN L191 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 466 DAG size of output: 462 [2019-09-18 03:54:34,222 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:54:49,065 WARN L191 SmtUtils]: Spent 14.81 s on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-09-18 03:54:49,631 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:55:04,291 WARN L191 SmtUtils]: Spent 14.66 s on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-09-18 03:55:04,404 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:55:04,620 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:55:04,898 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:55:19,591 WARN L191 SmtUtils]: Spent 14.69 s on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-09-18 03:55:20,160 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:55:34,860 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-09-18 03:55:35,161 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:55:35,436 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 03:55:35,771 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 78 [2019-09-18 03:55:36,138 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 78 [2019-09-18 03:55:36,543 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 78 [2019-09-18 03:55:36,905 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 78 [2019-09-18 03:55:37,257 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 78 [2019-09-18 03:55:37,614 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 78 [2019-09-18 03:55:38,858 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:38,971 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:39,633 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:39,745 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:40,411 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:55:40,734 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:55:41,073 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:41,402 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:42,218 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:42,330 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:42,990 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:43,102 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:43,768 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:55:44,117 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:55:44,421 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2019-09-18 03:55:44,803 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-18 03:55:45,248 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:45,359 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:45,699 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:45,810 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:46,476 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:55:46,800 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:55:47,150 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:47,484 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:48,332 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-18 03:55:48,757 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:55:49,418 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:55:49,708 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:55:50,326 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:55:50,612 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:55:51,486 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-09-18 03:55:51,921 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:55:52,252 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:52,583 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:53,557 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:55:53,845 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:55:54,772 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:55:55,056 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:55:55,927 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-09-18 03:55:56,357 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:55:56,743 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-18 03:55:56,884 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 03:55:57,166 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-18 03:55:57,620 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:57,731 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:58,074 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:55:58,184 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:55:58,850 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:55:59,174 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:55:59,523 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:55:59,848 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:00,683 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-18 03:56:01,104 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:56:02,324 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:02,613 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:03,543 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:03,823 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:04,709 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-09-18 03:56:05,146 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:56:05,478 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:05,805 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:06,679 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:06,788 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:07,445 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:07,557 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:08,223 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:56:08,546 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:56:08,881 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:09,207 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:09,891 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:10,005 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:10,659 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:10,771 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:11,429 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:56:11,754 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:56:12,042 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2019-09-18 03:56:12,426 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-18 03:56:12,537 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:56:12,888 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:13,000 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:13,342 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:13,454 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:14,125 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:56:14,444 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:56:14,816 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:15,226 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:16,061 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-18 03:56:16,477 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:56:17,638 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:17,926 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:18,841 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:19,130 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:19,998 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-09-18 03:56:20,431 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:56:20,759 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:21,078 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:22,033 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:22,325 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:23,242 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-18 03:56:23,528 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:56:24,409 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-09-18 03:56:24,842 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:56:25,221 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-18 03:56:25,359 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 03:56:25,634 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:56:25,910 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:56:26,448 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-18 03:56:26,718 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:56:27,409 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:27,518 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:28,181 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-18 03:56:28,293 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:56:28,952 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-18 03:56:29,275 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:56:29,609 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:29,935 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:30,493 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-09-18 03:56:30,760 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:56:31,312 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-09-18 03:56:31,583 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:56:32,136 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-09-18 03:56:32,409 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:56:33,086 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-18 03:56:33,373 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 03:56:33,969 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-18 03:56:34,256 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 03:56:34,892 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2019-09-18 03:56:35,203 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 03:56:35,553 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:35,886 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:56:35,891 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-18 03:56:35,894 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-18 03:56:36,162 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-18 03:56:36,600 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:56:36,935 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:56:36,936 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 81 for LOIs [2019-09-18 03:56:36,942 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 90 for LOIs [2019-09-18 03:56:37,218 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-18 03:56:37,310 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:56:37,310 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:56:37,312 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 744#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (and (and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= ~head~0.base 0) (= |#t~string64.offset| 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (= 0 ~systemActive~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-18 03:56:37,326 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:56:37,326 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:56:37,327 INFO L168 Benchmark]: Toolchain (without parser) took 284384.11 ms. Allocated memory was 133.2 MB in the beginning and 168.8 MB in the end (delta: 35.7 MB). Free memory was 88.5 MB in the beginning and 111.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:56:37,328 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:56:37,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.81 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 167.4 MB in the end (delta: -79.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:56:37,329 INFO L168 Benchmark]: Boogie Preprocessor took 76.03 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 162.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 03:56:37,330 INFO L168 Benchmark]: RCFGBuilder took 1091.45 ms. Allocated memory is still 200.3 MB. Free memory was 162.9 MB in the beginning and 81.8 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:56:37,330 INFO L168 Benchmark]: Sifa took 282499.50 ms. Allocated memory was 200.3 MB in the beginning and 168.8 MB in the end (delta: -31.5 MB). Free memory was 81.8 MB in the beginning and 111.2 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:56:37,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.81 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 167.4 MB in the end (delta: -79.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.03 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 162.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1091.45 ms. Allocated memory is still 200.3 MB. Free memory was 162.9 MB in the beginning and 81.8 MB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Sifa took 282499.50 ms. Allocated memory was 200.3 MB in the beginning and 168.8 MB in the end (delta: -31.5 MB). Free memory was 81.8 MB in the beginning and 111.2 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 282460, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 392, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 274, TOOLS_POST_TIME[ms]: 24485, TOOLS_POST_CALL_APPLICATIONS: 96, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 89, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 457, TOOLS_QUANTIFIERELIM_TIME[ms]: 24633, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24330, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 404, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 125, DOMAIN_JOIN_TIME[ms]: 253027, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 3770, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 82, DOMAIN_ISBOTTOM_TIME[ms]: 645, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 47865, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 47864, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 89, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28647, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28646, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 810, DAG_COMPRESSION_RETAINED_NODES: 296 - UnprovableResult [Line: 790]: 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 744#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (and (and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= ~head~0.base 0) (= |#t~string64.offset| 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (= 0 ~systemActive~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...