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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:28:16,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:28:16,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:28:16,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:28:16,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:28:16,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:28:16,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:28:16,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:28:16,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:28:16,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:28:16,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:28:16,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:28:16,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:28:16,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:28:16,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:28:16,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:28:16,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:28:16,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:28:16,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:28:16,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:28:16,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:28:16,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:28:16,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:28:16,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:28:16,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:28:16,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:28:16,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:28:16,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:28:16,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:28:16,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:28:16,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:28:16,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:28:16,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:28:16,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:28:16,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:28:16,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:28:16,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:28:16,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:28:16,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:28:16,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:28:16,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:28:16,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 17:28:16,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:28:16,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:28:16,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:28:16,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:28:16,319 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:28:16,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:28:16,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:28:16,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:28:16,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:28:16,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:28:16,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:28:16,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:28:16,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:28:16,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:28:16,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:28:16,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:28:16,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:28:16,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:28:16,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:28:16,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:28:16,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:28:16,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:28:16,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:28:16,324 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:28:16,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:28:16,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:28:16,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:28:16,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:28:16,374 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:28:16,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-19 17:28:16,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ad8b9ca/ab600f453fdf406aa6616c37ec7cd7ee/FLAG0e56a2e45 [2019-09-19 17:28:16,992 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:28:16,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-19 17:28:17,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ad8b9ca/ab600f453fdf406aa6616c37ec7cd7ee/FLAG0e56a2e45 [2019-09-19 17:28:17,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51ad8b9ca/ab600f453fdf406aa6616c37ec7cd7ee [2019-09-19 17:28:17,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:28:17,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:28:17,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:28:17,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:28:17,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:28:17,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:28:17" (1/1) ... [2019-09-19 17:28:17,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671e4bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:17, skipping insertion in model container [2019-09-19 17:28:17,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:28:17" (1/1) ... [2019-09-19 17:28:17,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:28:17,410 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:28:17,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:28:17,885 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:28:17,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:28:18,002 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:28:18,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18 WrapperNode [2019-09-19 17:28:18,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:28:18,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:28:18,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:28:18,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:28:18,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... [2019-09-19 17:28:18,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:28:18,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:28:18,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:28:18,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:28:18,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:28:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:28:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:28:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:28:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:28:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:28:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 17:28:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:28:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:28:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:28:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:28:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:28:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:28:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 17:28:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:28:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:28:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:28:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:28:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:28:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:28:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:28:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:28:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 17:28:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:28:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:28:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:28:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:28:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:28:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:28:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:28:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:28:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:28:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:28:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:28:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:28:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:28:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:28:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:28:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:28:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:28:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:28:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:28:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:28:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:28:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:28:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:28:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:28:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:28:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:28:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 17:28:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 17:28:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:28:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:28:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:28:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:28:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:28:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:28:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:28:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:28:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:28:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:28:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:28:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:28:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:28:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:28:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:28:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:28:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:28:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:28:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:28:19,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:28:19,768 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:28:19,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:28:19 BoogieIcfgContainer [2019-09-19 17:28:19,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:28:19,770 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:28:19,770 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:28:19,770 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:28:19,772 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:28:19" (1/1) ... [2019-09-19 17:28:19,772 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:28:19,807 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:28:19,807 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:28:19,820 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:28:19,834 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:28:19,836 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:28:44,299 WARN L191 SmtUtils]: Spent 14.86 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 17:28:46,075 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:28:49,909 WARN L191 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 17:28:51,762 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:28:53,567 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:28:53,584 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:28:53,627 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:28:53,638 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 15 for LOIs [2019-09-19 17:28:54,844 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 17:28:54,886 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 17:28:54,903 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 17:28:54,910 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-19 17:28:54,916 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:28:54,916 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:28:54,918 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 605#(= ~switchedOnBeforeTS~0 0) [2019-09-19 17:28:54,930 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:28:54,931 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:28:54,933 INFO L168 Benchmark]: Toolchain (without parser) took 37604.69 ms. Allocated memory was 140.0 MB in the beginning and 459.8 MB in the end (delta: 319.8 MB). Free memory was 86.4 MB in the beginning and 331.4 MB in the end (delta: -245.0 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,934 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.01 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 164.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,936 INFO L168 Benchmark]: Boogie Preprocessor took 94.18 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,937 INFO L168 Benchmark]: RCFGBuilder took 1671.78 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.2 MB in the beginning and 140.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,938 INFO L168 Benchmark]: Sifa took 35160.78 ms. Allocated memory was 224.4 MB in the beginning and 459.8 MB in the end (delta: 235.4 MB). Free memory was 140.3 MB in the beginning and 331.4 MB in the end (delta: -191.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:54,945 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.01 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 164.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.18 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1671.78 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.2 MB in the beginning and 140.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 35160.78 ms. Allocated memory was 224.4 MB in the beginning and 459.8 MB in the end (delta: 235.4 MB). Free memory was 140.3 MB in the beginning and 331.4 MB in the end (delta: -191.1 MB). Peak memory consumption was 44.3 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]: 35111, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 198, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 30025, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 51, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_APPLICATIONS: 246, TOOLS_QUANTIFIERELIM_TIME[ms]: 30056, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29992, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 202, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 4629, DOMAIN_ALPHA_APPLICATIONS: 202, DOMAIN_ALPHA_TIME[ms]: 209, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 548, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 548, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34071, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34070, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 436, DAG_COMPRESSION_RETAINED_NODES: 203 - UnprovableResult [Line: 428]: 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 605#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...