java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:37:32,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:37:32,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:37:32,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:37:32,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:37:32,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:37:32,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:37:32,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:37:32,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:37:32,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:37:32,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:37:32,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:37:32,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:37:32,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:37:32,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:37:32,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:37:32,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:37:32,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:37:32,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:37:32,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:37:32,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:37:32,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:37:32,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:37:32,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:37:32,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:37:32,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:37:32,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:37:32,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:37:32,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:37:32,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:37:32,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:37:32,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:37:32,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:37:32,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:37:32,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:37:32,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:37:32,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:37:32,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:37:32,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:37:32,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:37:32,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:37:32,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:37:32,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:37:32,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:37:32,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:37:32,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:37:32,289 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:37:32,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:37:32,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:37:32,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:37:32,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:37:32,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:37:32,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:37:32,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:37:32,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:37:32,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:37:32,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:37:32,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:37:32,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:37:32,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:37:32,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:37:32,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:37:32,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:37:32,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:32,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:37:32,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:37:32,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:37:32,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:37:32,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:37:32,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:37:32,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:37:32,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:37:32,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:37:32,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:37:32,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:37:32,346 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:37:32,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-21 08:37:32,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66565bd00/3f936bac199a4519af94292dd161f903/FLAG544b3410b [2019-09-21 08:37:32,978 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:37:32,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-21 08:37:33,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66565bd00/3f936bac199a4519af94292dd161f903/FLAG544b3410b [2019-09-21 08:37:33,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66565bd00/3f936bac199a4519af94292dd161f903 [2019-09-21 08:37:33,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:37:33,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:37:33,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:33,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:37:33,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:37:33,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f3530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33, skipping insertion in model container [2019-09-21 08:37:33,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,274 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:37:33,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:37:33,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:33,782 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:37:33,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:33,922 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:37:33,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33 WrapperNode [2019-09-21 08:37:33,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:33,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:37:33,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:37:33,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:37:33,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:33,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:34,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:34,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... [2019-09-21 08:37:34,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:37:34,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:37:34,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:37:34,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:37:34,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:37:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:37:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:37:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:37:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:37:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:37:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:37:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:37:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:37:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:37:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:37:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:37:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:37:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:37:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:37:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:37:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:37:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:37:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:37:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:37:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:37:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:37:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:37:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:37:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:37:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:37:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:37:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:37:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:37:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:37:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:37:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:37:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:37:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:37:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:37:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:37:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:37:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:37:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:37:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:37:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:37:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:37:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:37:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:37:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:37:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:37:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:37:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:37:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:37:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:37:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:37:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:37:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:37:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:37:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:37:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:37:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:37:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:37:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:37:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:37:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:37:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:37:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:37:35,742 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:37:35,743 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:37:35,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:35 BoogieIcfgContainer [2019-09-21 08:37:35,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:37:35,745 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:37:35,745 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:37:35,745 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:37:35,746 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:35" (1/1) ... [2019-09-21 08:37:35,747 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:37:35,774 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:37:35,774 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:37:35,783 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:37:35,793 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:37:35,794 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:37:43,611 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:37:45,527 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:37:45,730 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:45,888 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:46,030 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:46,055 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:37:46,118 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:37:46,133 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:37:46,326 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:37:46,477 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:37:46,851 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:37:47,181 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:37:47,457 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:37:47,708 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:37:48,155 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:48,464 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:49,345 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:37:49,975 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:37:50,555 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:37:51,520 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:37:51,777 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:51,949 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:52,053 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:52,168 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:52,742 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:53,226 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:37:53,870 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:37:54,497 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:37:55,087 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:37:55,632 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:37:55,693 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 38 for LOIs [2019-09-21 08:37:55,789 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:37:55,802 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 33 for LOIs [2019-09-21 08:37:55,807 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 43 for LOIs [2019-09-21 08:37:55,811 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:37:55,812 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:37:55,814 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 476#(and (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~systemActive~0)) (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0)))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:37:55,826 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:37:55,827 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:37:55,829 INFO L168 Benchmark]: Toolchain (without parser) took 22568.84 ms. Allocated memory was 132.1 MB in the beginning and 783.8 MB in the end (delta: 651.7 MB). Free memory was 87.6 MB in the beginning and 166.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 572.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,830 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.73 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 163.8 MB in the end (delta: -76.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,832 INFO L168 Benchmark]: Boogie Preprocessor took 111.23 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 159.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,833 INFO L168 Benchmark]: RCFGBuilder took 1709.47 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.1 MB in the beginning and 141.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,834 INFO L168 Benchmark]: Sifa took 20082.08 ms. Allocated memory was 221.2 MB in the beginning and 783.8 MB in the end (delta: 562.6 MB). Free memory was 141.3 MB in the beginning and 166.9 MB in the end (delta: -25.6 MB). Peak memory consumption was 536.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:55,838 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 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.73 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 163.8 MB in the end (delta: -76.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.23 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 159.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1709.47 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.1 MB in the beginning and 141.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * Sifa took 20082.08 ms. Allocated memory was 221.2 MB in the beginning and 783.8 MB in the end (delta: 562.6 MB). Free memory was 141.3 MB in the beginning and 166.9 MB in the end (delta: -25.6 MB). Peak memory consumption was 536.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 20040, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 231, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 152, TOOLS_POST_TIME[ms]: 9988, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_APPLICATIONS: 275, TOOLS_QUANTIFIERELIM_TIME[ms]: 10164, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9874, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 238, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 78, DOMAIN_JOIN_TIME[ms]: 8176, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1208, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 187, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5701, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5701, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10367, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10366, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 403, DAG_COMPRESSION_RETAINED_NODES: 220 - UnprovableResult [Line: 595]: 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 476#(and (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~systemActive~0)) (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0)))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...