java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:48:15,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:48:15,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:48:15,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:48:15,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:48:15,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:48:15,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:48:15,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:48:15,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:48:15,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:48:15,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:48:15,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:48:15,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:48:15,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:48:15,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:48:15,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:48:15,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:48:15,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:48:15,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:48:15,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:48:15,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:48:15,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:48:15,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:48:15,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:48:15,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:48:15,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:48:15,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:48:15,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:48:15,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:48:16,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:48:16,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:48:16,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:48:16,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:48:16,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:48:16,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:48:16,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:48:16,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:48:16,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:48:16,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:48:16,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:48:16,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:48:16,008 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 [2019-09-25 17:48:16,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:48:16,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:48:16,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:48:16,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:48:16,027 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:48:16,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:48:16,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:48:16,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:48:16,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:48:16,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:48:16,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:48:16,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:48:16,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:48:16,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:48:16,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:48:16,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:48:16,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:48:16,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:48:16,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:48:16,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:48:16,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:48:16,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:48:16,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:48:16,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:48:16,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:48:16,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:48:16,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:48:16,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:48:16,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:48:16,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:48:16,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:48:16,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:48:16,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:48:16,085 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:48:16,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-25 17:48:16,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1806a616b/023622f3aacf4bf88c45d7ed689a08a3/FLAG435a934fb [2019-09-25 17:48:16,674 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:48:16,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-25 17:48:16,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1806a616b/023622f3aacf4bf88c45d7ed689a08a3/FLAG435a934fb [2019-09-25 17:48:16,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1806a616b/023622f3aacf4bf88c45d7ed689a08a3 [2019-09-25 17:48:16,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:48:16,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:48:16,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:16,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:48:16,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:48:16,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:16" (1/1) ... [2019-09-25 17:48:16,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc63f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:16, skipping insertion in model container [2019-09-25 17:48:16,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:16" (1/1) ... [2019-09-25 17:48:16,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:48:17,004 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:48:17,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:17,494 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:48:17,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:17,612 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:48:17,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17 WrapperNode [2019-09-25 17:48:17,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:17,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:48:17,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:48:17,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:48:17,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (1/1) ... [2019-09-25 17:48:17,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:48:17,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:48:17,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:48:17,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:48:17,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:17" (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 [2019-09-25 17:48:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:48:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:48:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:48:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:48:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:48:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:48:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:48:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:48:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:48:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:48:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:48:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:48:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:48:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:48:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:48:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:48:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:48:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:48:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:48:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:48:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:48:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:48:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:48:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:48:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:48:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:48:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:48:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:48:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:48:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:48:19,372 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:48:19,372 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:48:19,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:19 BoogieIcfgContainer [2019-09-25 17:48:19,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:48:19,374 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:48:19,375 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:48:19,375 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:48:19,376 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:19" (1/1) ... [2019-09-25 17:48:19,377 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:48:19,402 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:48:19,402 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:48:19,415 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:48:19,431 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:48:19,433 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:48:29,225 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:48:30,739 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:48:30,878 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:31,018 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:31,150 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:31,178 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:48:31,230 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:48:31,247 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:48:31,814 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:48:32,234 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:48:32,459 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:32,679 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:32,878 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:48:33,128 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:48:33,459 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:48:33,780 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:48:34,099 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:48:34,426 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:48:34,665 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:48:34,963 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:35,186 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:35,429 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:35,680 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:48:36,053 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:48:36,393 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:48:37,021 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-25 17:48:37,137 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:48:37,569 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:48:37,660 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:48:37,662 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:48:37,715 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:48:37,721 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:48:37,729 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:48:37,730 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:48:37,732 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 506#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)) [2019-09-25 17:48:37,744 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:48:37,744 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:48:37,746 INFO L168 Benchmark]: Toolchain (without parser) took 20810.08 ms. Allocated memory was 138.9 MB in the beginning and 634.9 MB in the end (delta: 496.0 MB). Free memory was 85.9 MB in the beginning and 124.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 457.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,747 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.31 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 85.7 MB in the beginning and 168.5 MB in the end (delta: -82.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,749 INFO L168 Benchmark]: Boogie Preprocessor took 105.80 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,750 INFO L168 Benchmark]: RCFGBuilder took 1654.78 ms. Allocated memory was 201.3 MB in the beginning and 223.3 MB in the end (delta: 22.0 MB). Free memory was 164.0 MB in the beginning and 149.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,751 INFO L168 Benchmark]: Sifa took 18370.06 ms. Allocated memory was 223.3 MB in the beginning and 634.9 MB in the end (delta: 411.6 MB). Free memory was 149.8 MB in the beginning and 124.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 436.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:37,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.31 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 85.7 MB in the beginning and 168.5 MB in the end (delta: -82.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.80 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1654.78 ms. Allocated memory was 201.3 MB in the beginning and 223.3 MB in the end (delta: 22.0 MB). Free memory was 164.0 MB in the beginning and 149.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Sifa took 18370.06 ms. Allocated memory was 223.3 MB in the beginning and 634.9 MB in the end (delta: 411.6 MB). Free memory was 149.8 MB in the beginning and 124.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 436.7 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]: 18330, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 11469, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 137, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_APPLICATIONS: 235, TOOLS_QUANTIFIERELIM_TIME[ms]: 11584, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11388, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 6259, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 219, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 790, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 789, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11798, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11797, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 508, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 917]: 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 506#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...