java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:33:56,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:33:56,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:33:56,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:33:56,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:33:56,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:33:56,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:33:56,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:33:56,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:33:56,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:33:56,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:33:56,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:33:56,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:33:56,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:33:56,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:33:56,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:33:56,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:33:56,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:33:56,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:33:56,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:33:56,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:33:56,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:33:56,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:33:56,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:33:56,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:33:56,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:33:56,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:33:56,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:33:56,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:33:56,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:33:56,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:33:56,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:33:56,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:33:56,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:33:56,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:33:56,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:33:56,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:33:56,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:33:56,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:33:56,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:33:56,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:33:56,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 16:33:56,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:33:56,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:33:56,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:33:56,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:33:56,993 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:33:56,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:33:56,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:33:56,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:33:56,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:33:56,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:33:56,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:33:56,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:33:56,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:33:56,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:33:56,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:33:56,997 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:33:56,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:33:56,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:33:56,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:33:56,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:33:56,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:33:56,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:33:57,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:33:57,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:33:57,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:33:57,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:33:57,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:33:57,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:33:57,001 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 [2019-09-20 16:33:57,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:33:57,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:33:57,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:33:57,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:33:57,080 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:33:57,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-09-20 16:33:57,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f48322e4/80f6fd8eb78a4f5d935dd371028c2d5e/FLAG360e07627 [2019-09-20 16:33:57,641 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:33:57,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-09-20 16:33:57,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f48322e4/80f6fd8eb78a4f5d935dd371028c2d5e/FLAG360e07627 [2019-09-20 16:33:57,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f48322e4/80f6fd8eb78a4f5d935dd371028c2d5e [2019-09-20 16:33:57,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:33:57,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:33:57,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:33:57,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:33:57,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:33:57,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:33:57" (1/1) ... [2019-09-20 16:33:57,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388d581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:57, skipping insertion in model container [2019-09-20 16:33:57,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:33:57" (1/1) ... [2019-09-20 16:33:57,928 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:33:57,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:33:58,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:33:58,469 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:33:58,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:33:58,619 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:33:58,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58 WrapperNode [2019-09-20 16:33:58,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:33:58,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:33:58,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:33:58,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:33:58,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... [2019-09-20 16:33:58,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:33:58,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:33:58,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:33:58,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:33:58,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:33:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:33:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:33:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:33:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:33:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:33:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:33:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:33:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:33:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:33:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:33:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:33:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:33:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:33:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:33:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:33:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:33:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:33:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:33:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:33:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:33:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:33:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:33:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:33:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:33:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:33:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:33:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:33:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:33:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:33:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:33:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:33:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:33:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:33:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:33:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:33:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:34:00,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:34:00,287 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:34:00,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:34:00 BoogieIcfgContainer [2019-09-20 16:34:00,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:34:00,289 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:34:00,289 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:34:00,289 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:34:00,290 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:34:00" (1/1) ... [2019-09-20 16:34:00,291 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 [2019-09-20 16:34:00,315 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:34:00,316 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:34:00,329 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:34:00,342 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:34:00,347 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:34:20,689 WARN L191 SmtUtils]: Spent 12.54 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 16:34:22,492 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:34:26,430 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 16:34:26,742 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 16:34:26,756 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-20 16:34:26,811 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-20 16:34:26,828 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-20 16:34:27,859 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-20 16:34:28,832 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-20 16:34:29,255 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:30,453 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-20 16:34:30,795 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 16:34:31,136 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 16:34:31,482 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:32,526 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-20 16:34:32,864 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:33,201 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:33,545 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:33,904 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:34,933 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-20 16:34:35,296 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 16:34:35,646 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 16:34:35,985 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:36,979 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-20 16:34:37,314 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:37,641 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:34:37,957 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:37,964 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:34:37,967 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-20 16:34:38,654 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-20 16:34:38,896 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:34:39,132 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:34:39,134 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 103 for LOIs [2019-09-20 16:34:39,143 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-20 16:34:39,354 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 16:34:39,355 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:34:39,355 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:34:39,357 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 280#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)) [2019-09-20 16:34:39,372 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:34:39,372 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:34:39,374 INFO L168 Benchmark]: Toolchain (without parser) took 41460.45 ms. Allocated memory was 132.6 MB in the beginning and 544.2 MB in the end (delta: 411.6 MB). Free memory was 87.5 MB in the beginning and 276.7 MB in the end (delta: -189.2 MB). Peak memory consumption was 222.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,375 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.98 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,376 INFO L168 Benchmark]: Boogie Preprocessor took 79.28 ms. Allocated memory is still 198.2 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,377 INFO L168 Benchmark]: RCFGBuilder took 1588.53 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 147.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,378 INFO L168 Benchmark]: Sifa took 39083.50 ms. Allocated memory was 222.3 MB in the beginning and 544.2 MB in the end (delta: 321.9 MB). Free memory was 147.7 MB in the beginning and 276.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:39,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.98 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.28 ms. Allocated memory is still 198.2 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.53 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 147.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * Sifa took 39083.50 ms. Allocated memory was 222.3 MB in the beginning and 544.2 MB in the end (delta: 321.9 MB). Free memory was 147.7 MB in the beginning and 276.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 39042, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 183, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 26018, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 212, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_APPLICATIONS: 215, TOOLS_QUANTIFIERELIM_TIME[ms]: 26172, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25963, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 187, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 12468, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 95, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8459, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8458, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26507, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26507, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 374, DAG_COMPRESSION_RETAINED_NODES: 181 - UnprovableResult [Line: 510]: 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 280#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...