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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:48:37,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:48:37,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:48:37,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:48:37,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:48:37,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:48:37,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:48:37,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:48:37,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:48:37,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:48:37,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:48:37,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:48:37,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:48:37,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:48:37,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:48:37,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:48:37,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:48:37,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:48:37,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:48:37,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:48:37,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:48:37,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:48:37,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:48:37,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:48:37,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:48:37,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:48:37,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:48:37,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:48:37,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:48:37,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:48:37,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:48:37,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:48:37,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:48:37,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:48:37,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:48:37,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:48:37,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:48:37,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:48:37,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:48:37,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:48:37,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:48:37,124 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 17:48:37,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:48:37,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:48:37,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:48:37,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:48:37,152 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:48:37,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:48:37,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:48:37,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:48:37,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:48:37,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:48:37,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:48:37,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:48:37,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:48:37,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:48:37,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:48:37,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:48:37,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:48:37,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:48:37,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:48:37,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:48:37,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:48:37,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:48:37,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:48:37,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:48:37,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:48:37,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:48:37,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:48:37,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:48:37,159 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 17:48:37,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:48:37,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:48:37,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:48:37,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:48:37,245 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:48:37,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-25 17:48:37,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc0ef38e/324afe9bb0b7458aa87dc767b12224a9/FLAGdb70364cd [2019-09-25 17:48:37,871 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:48:37,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-25 17:48:37,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc0ef38e/324afe9bb0b7458aa87dc767b12224a9/FLAGdb70364cd [2019-09-25 17:48:38,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc0ef38e/324afe9bb0b7458aa87dc767b12224a9 [2019-09-25 17:48:38,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:48:38,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:48:38,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:38,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:48:38,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:48:38,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:38" (1/1) ... [2019-09-25 17:48:38,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:38, skipping insertion in model container [2019-09-25 17:48:38,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:38" (1/1) ... [2019-09-25 17:48:38,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:48:38,316 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:48:39,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:39,030 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:48:39,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:39,166 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:48:39,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39 WrapperNode [2019-09-25 17:48:39,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:39,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:48:39,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:48:39,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:48:39,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (1/1) ... [2019-09-25 17:48:39,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:48:39,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:48:39,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:48:39,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:48:39,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:39" (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 17:48:39,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:48:39,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:48:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:48:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:48:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:48:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:48:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:48:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:48:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:48:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:48:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:48:40,993 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:48:40,993 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:48:40,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:40 BoogieIcfgContainer [2019-09-25 17:48:40,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:48:40,995 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:48:40,995 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:48:40,996 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:48:40,997 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:40" (1/1) ... [2019-09-25 17:48:40,998 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 17:48:41,022 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:48:41,026 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:48:41,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:48:41,055 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:48:41,057 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:48:51,071 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:48:52,871 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:48:53,031 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:53,165 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:53,299 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:53,324 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 17:48:53,389 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 17:48:53,409 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 17:48:53,957 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 17:48:54,462 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 17:48:54,889 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 17:48:55,115 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 529 [2019-09-25 17:48:55,330 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 529 [2019-09-25 17:48:55,513 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 529 [2019-09-25 17:48:55,682 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-25 17:48:55,931 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:48:56,261 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:48:56,522 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:48:57,044 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:57,409 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:57,952 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:58,379 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:58,695 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:59,478 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:48:59,959 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:49:00,248 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 17:49:00,428 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:49:00,431 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 496 for LOIs [2019-09-25 17:49:00,791 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:49:00,994 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 501 [2019-09-25 17:49:01,203 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:01,212 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 496 for LOIs [2019-09-25 17:49:01,251 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 505 for LOIs [2019-09-25 17:49:01,329 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:49:01,329 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:49:01,331 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 659#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-25 17:49:01,346 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:49:01,347 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:49:01,349 INFO L168 Benchmark]: Toolchain (without parser) took 23112.02 ms. Allocated memory was 141.0 MB in the beginning and 557.3 MB in the end (delta: 416.3 MB). Free memory was 86.9 MB in the beginning and 99.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 404.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,350 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 86.7 MB in the beginning and 168.9 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,352 INFO L168 Benchmark]: Boogie Preprocessor took 121.07 ms. Allocated memory is still 203.9 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,353 INFO L168 Benchmark]: RCFGBuilder took 1705.92 ms. Allocated memory was 203.9 MB in the beginning and 230.7 MB in the end (delta: 26.7 MB). Free memory was 164.2 MB in the beginning and 148.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,354 INFO L168 Benchmark]: Sifa took 20351.42 ms. Allocated memory was 230.7 MB in the beginning and 557.3 MB in the end (delta: 326.6 MB). Free memory was 148.2 MB in the beginning and 99.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 375.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,358 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 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 929.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 86.7 MB in the beginning and 168.9 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.07 ms. Allocated memory is still 203.9 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1705.92 ms. Allocated memory was 203.9 MB in the beginning and 230.7 MB in the end (delta: 26.7 MB). Free memory was 164.2 MB in the beginning and 148.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Sifa took 20351.42 ms. Allocated memory was 230.7 MB in the beginning and 557.3 MB in the end (delta: 326.6 MB). Free memory was 148.2 MB in the beginning and 99.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 375.6 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]: 20310, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 12034, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 246, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 134, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 12275, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11893, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 7463, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 219, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2799, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2799, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12364, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12363, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 490, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 317]: 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 659#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...