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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:08:26,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:08:26,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:08:26,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:08:26,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:08:26,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:08:26,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:08:26,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:08:26,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:08:26,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:08:26,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:08:26,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:08:26,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:08:26,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:08:26,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:08:26,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:08:26,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:08:26,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:08:26,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:08:26,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:08:26,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:08:26,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:08:26,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:08:26,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:08:26,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:08:26,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:08:26,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:08:26,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:08:26,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:08:26,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:08:26,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:08:26,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:08:26,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:08:26,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:08:26,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:08:26,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:08:26,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:08:26,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:08:26,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:08:26,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:08:26,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:08:26,181 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 [2019-09-16 19:08:26,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:08:26,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:08:26,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:08:26,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:08:26,211 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:08:26,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:08:26,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:08:26,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:08:26,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:08:26,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:08:26,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:08:26,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:08:26,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:08:26,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:08:26,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:08:26,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:08:26,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:08:26,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:08:26,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:08:26,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:08:26,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:08:26,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:08:26,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:08:26,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:08:26,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:08:26,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:08:26,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:08:26,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:08:26,217 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_DDA [2019-09-16 19:08:26,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:08:26,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:08:26,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:08:26,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:08:26,302 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:08:26,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-16 19:08:26,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771767db6/d28252c1fc8245daa002016a58319e42/FLAG8d55bbb97 [2019-09-16 19:08:26,897 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:08:26,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-16 19:08:26,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771767db6/d28252c1fc8245daa002016a58319e42/FLAG8d55bbb97 [2019-09-16 19:08:27,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771767db6/d28252c1fc8245daa002016a58319e42 [2019-09-16 19:08:27,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:08:27,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:08:27,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:08:27,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:08:27,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:08:27,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:27,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2dc4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27, skipping insertion in model container [2019-09-16 19:08:27,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:27,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:08:27,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:08:27,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:08:27,818 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:08:27,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:08:27,994 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:08:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27 WrapperNode [2019-09-16 19:08:27,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:08:27,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:08:27,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:08:27,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:08:28,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (1/1) ... [2019-09-16 19:08:28,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:08:28,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:08:28,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:08:28,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:08:28,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:08:27" (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 [2019-09-16 19:08:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:08:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:08:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:08:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:08:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:08:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:08:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:08:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:08:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:08:28,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:08:28,150 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:08:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:08:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:08:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:08:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:08:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:08:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:08:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:08:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:08:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:08:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:08:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:08:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:08:29,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:08:29,731 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:08:29,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:08:29 BoogieIcfgContainer [2019-09-16 19:08:29,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:08:29,735 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:08:29,735 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:08:29,736 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:08:29,737 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:08:29" (1/1) ... [2019-09-16 19:08:29,738 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:08:29,773 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:08:29,773 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:08:29,786 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:08:29,798 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:08:29,800 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:08:55,651 WARN L191 SmtUtils]: Spent 15.41 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 19:08:57,393 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:09:01,215 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 19:09:02,941 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:09:04,695 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:09:04,710 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-16 19:09:04,784 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-16 19:09:04,804 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-16 19:09:16,994 WARN L191 SmtUtils]: Spent 11.97 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-16 19:09:22,896 WARN L191 SmtUtils]: Spent 5.90 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:09:35,143 WARN L191 SmtUtils]: Spent 12.25 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-16 19:09:41,249 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:09:57,392 WARN L191 SmtUtils]: Spent 16.09 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-16 19:09:57,517 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 19:10:13,365 WARN L191 SmtUtils]: Spent 15.56 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-16 19:10:14,020 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 76 [2019-09-16 19:10:14,385 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 76 [2019-09-16 19:10:15,804 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-16 19:10:15,918 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-16 19:10:16,261 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-16 19:10:16,373 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-16 19:10:17,029 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-16 19:10:17,346 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 19:10:18,097 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-16 19:10:18,457 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-16 19:10:19,015 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-16 19:10:19,135 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-16 19:10:19,477 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-16 19:10:19,588 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-16 19:10:20,238 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-16 19:10:20,561 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 19:10:21,245 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-16 19:10:21,586 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-16 19:10:21,590 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-16 19:10:21,592 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-16 19:10:22,105 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-16 19:10:22,353 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 19:10:22,825 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-16 19:10:23,063 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 19:10:23,529 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-16 19:10:23,768 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 19:10:23,771 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 69 for LOIs [2019-09-16 19:10:23,777 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-16 19:10:23,882 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-16 19:10:23,987 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-16 19:10:23,987 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:10:23,988 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:10:23,990 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 395#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)) [2019-09-16 19:10:24,002 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:10:24,002 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:10:24,004 INFO L168 Benchmark]: Toolchain (without parser) took 116756.78 ms. Allocated memory was 134.2 MB in the beginning and 257.9 MB in the end (delta: 123.7 MB). Free memory was 85.6 MB in the beginning and 151.7 MB in the end (delta: -66.0 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,005 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.38 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,007 INFO L168 Benchmark]: Boogie Preprocessor took 83.44 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,007 INFO L168 Benchmark]: RCFGBuilder took 1655.08 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.9 MB in the beginning and 141.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,008 INFO L168 Benchmark]: Sifa took 114267.86 ms. Allocated memory was 221.2 MB in the beginning and 257.9 MB in the end (delta: 36.7 MB). Free memory was 141.2 MB in the beginning and 151.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-16 19:10:24,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.38 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.44 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1655.08 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.9 MB in the beginning and 141.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 114267.86 ms. Allocated memory was 221.2 MB in the beginning and 257.9 MB in the end (delta: 36.7 MB). Free memory was 141.2 MB in the beginning and 151.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 26.2 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]: 114217, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 200, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 31395, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 118, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_APPLICATIONS: 241, TOOLS_QUANTIFIERELIM_TIME[ms]: 31483, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31327, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 82236, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 243, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6959, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6958, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 36031, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 36030, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 460, DAG_COMPRESSION_RETAINED_NODES: 200 - UnprovableResult [Line: 930]: 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 395#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...