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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:34:56,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:34:56,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:34:56,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:34:56,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:34:56,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:34:56,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:34:56,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:34:56,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:34:56,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:34:56,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:34:56,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:34:56,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:34:56,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:34:56,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:34:56,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:34:56,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:34:56,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:34:56,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:34:56,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:34:56,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:34:56,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:34:56,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:34:56,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:34:56,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:34:56,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:34:56,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:34:56,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:34:56,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:34:56,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:34:56,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:34:56,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:34:56,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:34:56,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:34:56,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:34:56,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:34:56,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:34:56,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:34:56,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:34:56,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:34:56,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:34:56,235 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 [2019-09-19 23:34:56,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:34:56,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:34:56,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:34:56,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:34:56,250 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:34:56,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:34:56,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:34:56,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:34:56,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:34:56,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:34:56,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:34:56,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:34:56,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:34:56,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:34:56,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:34:56,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:34:56,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:34:56,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:34:56,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:34:56,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:34:56,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:34:56,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:34:56,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:34:56,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:34:56,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:34:56,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:34:56,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:34:56,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:34:56,255 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:34:56,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:34:56,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:34:56,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:34:56,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:34:56,304 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:34:56,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-19 23:34:56,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fea8f5e7/7a74bfcf8b7d4d8482839bfcc2192a02/FLAG7370db5fa [2019-09-19 23:34:56,869 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:34:56,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-19 23:34:56,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fea8f5e7/7a74bfcf8b7d4d8482839bfcc2192a02/FLAG7370db5fa [2019-09-19 23:34:57,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fea8f5e7/7a74bfcf8b7d4d8482839bfcc2192a02 [2019-09-19 23:34:57,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:34:57,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:34:57,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:34:57,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:34:57,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:34:57,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57, skipping insertion in model container [2019-09-19 23:34:57,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:34:57,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:34:57,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:34:57,734 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:34:57,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:34:57,889 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:34:57,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57 WrapperNode [2019-09-19 23:34:57,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:34:57,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:34:57,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:34:57,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:34:57,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (1/1) ... [2019-09-19 23:34:57,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:34:57,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:34:57,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:34:57,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:34:57,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:34:57" (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 [2019-09-19 23:34:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:34:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:34:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:34:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:34:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:34:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:34:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:34:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 23:34:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:34:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:34:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:34:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:34:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:34:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:34:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:34:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:34:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:34:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:34:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:34:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:34:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:34:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:34:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:34:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:34:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:34:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:34:59,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:34:59,580 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:34:59,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:34:59 BoogieIcfgContainer [2019-09-19 23:34:59,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:34:59,582 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:34:59,582 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:34:59,582 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:34:59,583 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:34:59" (1/1) ... [2019-09-19 23:34:59,584 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:34:59,608 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:34:59,609 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:34:59,618 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:34:59,627 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:34:59,628 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:35:18,883 WARN L191 SmtUtils]: Spent 11.45 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:35:20,625 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:35:24,470 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:35:26,291 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:35:28,100 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:35:28,116 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 23:35:28,180 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 23:35:28,186 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 23:35:39,071 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:35:44,345 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:35:54,894 WARN L191 SmtUtils]: Spent 10.55 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:00,109 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:36:10,616 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:15,823 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:36:26,348 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:31,558 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:36:49,141 WARN L191 SmtUtils]: Spent 17.51 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 23:36:57,868 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:37:25,145 WARN L191 SmtUtils]: Spent 26.52 s on a formula simplification. DAG size of input: 477 DAG size of output: 473 [2019-09-19 23:37:34,364 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:38:01,552 WARN L191 SmtUtils]: Spent 27.19 s on a formula simplification. DAG size of input: 477 DAG size of output: 473 [2019-09-19 23:38:10,408 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 23:38:31,816 WARN L191 SmtUtils]: Spent 21.35 s on a formula simplification. DAG size of input: 482 DAG size of output: 480 [2019-09-19 23:38:53,047 WARN L191 SmtUtils]: Spent 21.22 s on a formula simplification. DAG size of input: 482 DAG size of output: 480 [2019-09-19 23:38:53,380 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:38:53,691 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:38:54,233 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-19 23:38:54,477 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-19 23:39:12,316 WARN L191 SmtUtils]: Spent 17.56 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 23:39:21,085 WARN L191 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:39:47,617 WARN L191 SmtUtils]: Spent 26.32 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:39:56,351 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:40:22,661 WARN L191 SmtUtils]: Spent 26.31 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:40:31,403 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:40:53,917 WARN L191 SmtUtils]: Spent 22.46 s on a formula simplification. DAG size of input: 480 DAG size of output: 478 [2019-09-19 23:41:16,043 WARN L191 SmtUtils]: Spent 22.11 s on a formula simplification. DAG size of input: 480 DAG size of output: 478 [2019-09-19 23:41:16,373 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:41:16,681 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:41:16,872 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-19 23:41:34,790 WARN L191 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 23:41:43,534 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:42:10,196 WARN L191 SmtUtils]: Spent 26.48 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:42:18,998 WARN L191 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:42:45,317 WARN L191 SmtUtils]: Spent 26.32 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:42:54,094 WARN L191 SmtUtils]: Spent 8.78 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:43:12,005 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:43:29,877 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:43:30,216 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:43:30,530 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:43:48,568 WARN L191 SmtUtils]: Spent 17.57 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 23:43:57,395 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:44:23,933 WARN L191 SmtUtils]: Spent 26.37 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:44:32,715 WARN L191 SmtUtils]: Spent 8.78 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:44:59,087 WARN L191 SmtUtils]: Spent 26.37 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-19 23:45:07,855 WARN L191 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:45:25,670 WARN L191 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:45:43,483 WARN L191 SmtUtils]: Spent 17.80 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:45:43,829 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:45:44,130 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:45:44,319 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-19 23:45:44,526 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 23:45:44,911 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-19 23:45:44,975 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 23:45:45,062 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 23:45:45,065 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-19 23:45:45,084 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:45:45,084 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:45:45,086 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 766#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 23:45:45,097 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:45:45,097 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:45:45,099 INFO L168 Benchmark]: Toolchain (without parser) took 647887.82 ms. Allocated memory was 134.2 MB in the beginning and 148.4 MB in the end (delta: 14.2 MB). Free memory was 89.3 MB in the beginning and 78.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:45:45,101 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:45:45,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.93 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.1 MB in the beginning and 166.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-19 23:45:45,102 INFO L168 Benchmark]: Boogie Preprocessor took 84.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 162.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-19 23:45:45,103 INFO L168 Benchmark]: RCFGBuilder took 1606.13 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 161.6 MB in the beginning and 153.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:45:45,104 INFO L168 Benchmark]: Sifa took 645515.56 ms. Allocated memory was 227.5 MB in the beginning and 148.4 MB in the end (delta: -79.2 MB). Free memory was 153.4 MB in the beginning and 78.8 MB in the end (delta: 74.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:45:45,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.93 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.1 MB in the beginning and 166.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 162.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1606.13 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 161.6 MB in the beginning and 153.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * Sifa took 645515.56 ms. Allocated memory was 227.5 MB in the beginning and 148.4 MB in the end (delta: -79.2 MB). Free memory was 153.4 MB in the beginning and 78.8 MB in the end (delta: 74.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 645478, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 368, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 246, TOOLS_POST_TIME[ms]: 24994, TOOLS_POST_CALL_APPLICATIONS: 102, TOOLS_POST_CALL_TIME[ms]: 319, TOOLS_POST_RETURN_APPLICATIONS: 93, TOOLS_POST_RETURN_TIME[ms]: 217, TOOLS_QUANTIFIERELIM_APPLICATIONS: 441, TOOLS_QUANTIFIERELIM_TIME[ms]: 25361, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24786, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 379, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 124, DOMAIN_JOIN_TIME[ms]: 618777, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 209, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 79, DOMAIN_ISBOTTOM_TIME[ms]: 778, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 552347, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 552346, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 93, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29027, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29026, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 82]: 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 766#(and (<= ~pumpRunning~0 2147483647) (<= 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...