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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:09:53,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:09:53,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:09:53,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:09:53,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:09:53,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:09:53,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:09:53,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:09:53,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:09:53,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:09:53,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:09:53,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:09:53,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:09:53,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:09:53,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:09:53,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:09:53,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:09:53,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:09:53,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:09:53,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:09:53,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:09:53,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:09:53,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:09:53,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:09:53,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:09:53,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:09:53,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:09:53,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:09:53,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:09:53,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:09:53,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:09:53,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:09:53,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:09:53,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:09:53,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:09:53,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:09:53,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:09:53,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:09:53,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:09:53,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:09:53,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:09:53,448 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 [2019-09-20 15:09:53,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:09:53,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:09:53,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:09:53,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:09:53,476 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:09:53,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:09:53,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:09:53,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:09:53,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:09:53,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:09:53,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:09:53,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:09:53,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:09:53,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:09:53,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:09:53,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:09:53,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:09:53,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:09:53,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:09:53,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:09:53,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:09:53,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:09:53,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:09:53,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:09:53,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:09:53,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:09:53,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:09:53,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:09:53,483 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 -> NONE [2019-09-20 15:09:53,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:09:53,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:09:53,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:09:53,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:09:53,558 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:09:53,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-20 15:09:53,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26464d5c9/923f29fd6ab24e5688a7c056eedbccb3/FLAG698fa38be [2019-09-20 15:09:54,130 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:09:54,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-20 15:09:54,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26464d5c9/923f29fd6ab24e5688a7c056eedbccb3/FLAG698fa38be [2019-09-20 15:09:54,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26464d5c9/923f29fd6ab24e5688a7c056eedbccb3 [2019-09-20 15:09:54,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:09:54,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:09:54,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:54,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:09:54,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:09:54,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54, skipping insertion in model container [2019-09-20 15:09:54,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:09:54,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:09:54,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:55,004 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:09:55,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:55,113 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:09:55,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55 WrapperNode [2019-09-20 15:09:55,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:55,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:09:55,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:09:55,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:09:55,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (1/1) ... [2019-09-20 15:09:55,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:09:55,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:09:55,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:09:55,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:09:55,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:55" (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 [2019-09-20 15:09:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:09:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:09:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:09:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:09:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:09:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:09:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:09:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:09:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:09:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:09:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:09:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:09:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:09:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:09:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:09:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:09:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:09:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:09:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:09:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:09:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:09:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:09:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:09:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:09:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:09:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:09:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:09:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:09:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:09:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:09:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:09:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:09:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:09:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:09:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:09:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:09:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:09:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:09:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:09:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:09:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:09:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:09:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:09:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:09:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:09:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:09:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:09:57,149 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:09:57,149 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:09:57,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:57 BoogieIcfgContainer [2019-09-20 15:09:57,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:09:57,151 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:09:57,152 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:09:57,152 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:09:57,153 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:57" (1/1) ... [2019-09-20 15:09:57,154 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:09:57,190 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:09:57,190 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:09:57,204 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:09:57,219 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:09:57,221 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:09,113 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:09,155 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:10:09,207 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:10:09,222 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:10:09,693 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:10:09,696 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-20 15:10:09,711 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 73 for LOIs [2019-09-20 15:10:09,743 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 85 for LOIs [2019-09-20 15:10:09,744 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:09,744 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:09,746 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 468#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (= |#t~string26.offset| 0) (= ~systemActive~0 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string53.offset| 0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:09,761 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:09,761 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:09,764 INFO L168 Benchmark]: Toolchain (without parser) took 15305.26 ms. Allocated memory was 131.1 MB in the beginning and 342.9 MB in the end (delta: 211.8 MB). Free memory was 84.6 MB in the beginning and 308.5 MB in the end (delta: -223.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:10:09,765 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-20 15:10:09,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.87 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 84.4 MB in the beginning and 163.4 MB in the end (delta: -79.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:09,767 INFO L168 Benchmark]: Boogie Preprocessor took 121.27 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 158.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:09,768 INFO L168 Benchmark]: RCFGBuilder took 1914.98 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 158.9 MB in the beginning and 144.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:09,769 INFO L168 Benchmark]: Sifa took 12609.98 ms. Allocated memory was 218.6 MB in the beginning and 342.9 MB in the end (delta: 124.3 MB). Free memory was 144.5 MB in the beginning and 308.5 MB in the end (delta: -164.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:10:09,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.87 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 84.4 MB in the beginning and 163.4 MB in the end (delta: -79.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.27 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 158.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1914.98 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 158.9 MB in the beginning and 144.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 12609.98 ms. Allocated memory was 218.6 MB in the beginning and 342.9 MB in the end (delta: 124.3 MB). Free memory was 144.5 MB in the beginning and 308.5 MB in the end (delta: -164.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 12556, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 11921, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 157, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 79, TOOLS_QUANTIFIERELIM_APPLICATIONS: 235, TOOLS_QUANTIFIERELIM_TIME[ms]: 12031, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11835, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 42, 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]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 197, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 154, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 154, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11914, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11913, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 508, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 917]: 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 468#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (= |#t~string26.offset| 0) (= ~systemActive~0 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string53.offset| 0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...