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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:35:22,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:35:22,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:35:22,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:35:22,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:35:22,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:35:22,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:35:22,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:35:22,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:35:22,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:35:22,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:35:22,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:35:22,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:35:22,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:35:22,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:35:22,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:35:22,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:35:22,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:35:22,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:35:22,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:35:22,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:35:22,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:35:22,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:35:22,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:35:22,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:35:22,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:35:22,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:35:22,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:35:22,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:35:22,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:35:22,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:35:22,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:35:22,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:35:22,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:35:22,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:35:22,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:35:22,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:35:22,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:35:22,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:35:22,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:35:22,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:35:22,174 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 [2019-09-21 08:35:22,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:35:22,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:35:22,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:35:22,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:35:22,200 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:35:22,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:35:22,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:35:22,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:35:22,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:35:22,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:35:22,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:35:22,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:35:22,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:35:22,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:35:22,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:35:22,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:35:22,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:35:22,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:35:22,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:35:22,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:35:22,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:35:22,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:35:22,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:35:22,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:35:22,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:35:22,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:35:22,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:35:22,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:35:22,205 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:35:22,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:35:22,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:35:22,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:35:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:35:22,273 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:35:22,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-21 08:35:22,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/286e8f2a5/ff077561d3b6483eb4a69acb25098190/FLAG1933f9c9b [2019-09-21 08:35:22,798 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:35:22,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-21 08:35:22,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/286e8f2a5/ff077561d3b6483eb4a69acb25098190/FLAG1933f9c9b [2019-09-21 08:35:23,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/286e8f2a5/ff077561d3b6483eb4a69acb25098190 [2019-09-21 08:35:23,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:35:23,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:35:23,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:23,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:35:23,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:35:23,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e6fa03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23, skipping insertion in model container [2019-09-21 08:35:23,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:35:23,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:35:23,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:23,701 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:35:23,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:23,848 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:35:23,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23 WrapperNode [2019-09-21 08:35:23,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:23,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:35:23,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:35:23,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:35:23,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (1/1) ... [2019-09-21 08:35:23,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:35:23,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:35:23,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:35:23,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:35:23,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:23" (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 [2019-09-21 08:35:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:35:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:35:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:35:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:35:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:35:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:35:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:35:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:35:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:35:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:35:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:35:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:35:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:35:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:35:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:35:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:35:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:35:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:35:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:35:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:35:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:35:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:35:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:35:25,589 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:35:25,590 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:35:25,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:25 BoogieIcfgContainer [2019-09-21 08:35:25,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:35:25,593 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:35:25,593 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:35:25,593 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:35:25,595 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:25" (1/1) ... [2019-09-21 08:35:25,596 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:35:25,632 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:35:25,632 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:35:25,648 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:35:25,658 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:35:25,660 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:35:35,198 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:35:36,898 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:35:37,035 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:37,166 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:37,326 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:37,344 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:35:37,404 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:35:37,410 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:35:37,890 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-21 08:35:38,308 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-21 08:35:38,618 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-21 08:35:38,887 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-21 08:35:39,217 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:39,533 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:39,850 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:40,193 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:35:40,464 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:35:40,904 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:41,188 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:41,517 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-21 08:35:41,791 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-21 08:35:42,472 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2019-09-21 08:35:42,919 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-21 08:35:43,330 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2019-09-21 08:35:43,798 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-21 08:35:44,470 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 572 [2019-09-21 08:35:45,075 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 572 [2019-09-21 08:35:45,427 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-21 08:35:45,525 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-21 08:35:45,580 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:35:45,591 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2019-09-21 08:35:45,597 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 26 for LOIs [2019-09-21 08:35:45,600 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:35:45,600 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:35:45,604 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 432#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:35:45,629 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:35:45,629 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:35:45,632 INFO L168 Benchmark]: Toolchain (without parser) took 22461.07 ms. Allocated memory was 135.8 MB in the beginning and 739.8 MB in the end (delta: 604.0 MB). Free memory was 82.6 MB in the beginning and 644.8 MB in the end (delta: -562.3 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,633 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.83 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 82.4 MB in the beginning and 164.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,635 INFO L168 Benchmark]: Boogie Preprocessor took 116.39 ms. Allocated memory is still 198.2 MB. Free memory was 164.3 MB in the beginning and 160.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,636 INFO L168 Benchmark]: RCFGBuilder took 1626.15 ms. Allocated memory was 198.2 MB in the beginning and 213.9 MB in the end (delta: 15.7 MB). Free memory was 160.3 MB in the beginning and 145.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,637 INFO L168 Benchmark]: Sifa took 20036.92 ms. Allocated memory was 213.9 MB in the beginning and 739.8 MB in the end (delta: 525.9 MB). Free memory was 145.9 MB in the beginning and 644.8 MB in the end (delta: -499.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:45,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.83 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 82.4 MB in the beginning and 164.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.39 ms. Allocated memory is still 198.2 MB. Free memory was 164.3 MB in the beginning and 160.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1626.15 ms. Allocated memory was 198.2 MB in the beginning and 213.9 MB in the end (delta: 15.7 MB). Free memory was 160.3 MB in the beginning and 145.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. * Sifa took 20036.92 ms. Allocated memory was 213.9 MB in the beginning and 739.8 MB in the end (delta: 525.9 MB). Free memory was 145.9 MB in the beginning and 644.8 MB in the end (delta: -499.0 MB). Peak memory consumption was 26.9 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]: 19974, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 214, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 143, TOOLS_POST_TIME[ms]: 11424, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 199, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 11606, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11291, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 220, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 7006, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 859, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 183, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8084, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8083, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11709, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11708, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 536]: 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 432#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...