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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:09:38,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:09:38,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:09:38,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:09:38,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:09:38,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:09:38,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:09:38,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:09:38,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:09:38,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:09:38,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:09:38,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:09:38,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:09:38,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:09:38,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:09:38,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:09:38,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:09:38,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:09:38,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:09:38,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:09:38,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:09:38,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:09:38,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:09:38,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:09:38,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:09:38,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:09:38,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:09:38,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:09:38,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:09:38,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:09:38,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:09:38,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:09:38,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:09:38,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:09:38,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:09:38,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:09:38,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:09:38,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:09:38,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:09:38,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:09:38,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:09:38,608 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 [2019-09-17 06:09:38,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:09:38,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:09:38,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:09:38,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:09:38,625 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:09:38,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:09:38,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:09:38,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:09:38,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:09:38,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:09:38,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:09:38,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:09:38,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:09:38,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:09:38,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:09:38,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:09:38,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:09:38,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:09:38,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:09:38,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:09:38,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:09:38,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:09:38,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:09:38,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:09:38,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:09:38,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:09:38,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:09:38,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:09:38,631 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 [2019-09-17 06:09:38,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:09:38,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:09:38,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:09:38,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:09:38,686 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:09:38,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-17 06:09:38,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df890a1/6af5e84156b24260bb6491556aa99731/FLAG2558d6a56 [2019-09-17 06:09:39,265 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:09:39,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-09-17 06:09:39,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df890a1/6af5e84156b24260bb6491556aa99731/FLAG2558d6a56 [2019-09-17 06:09:39,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df890a1/6af5e84156b24260bb6491556aa99731 [2019-09-17 06:09:39,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:09:39,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:09:39,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:09:39,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:09:39,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:09:39,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:09:39" (1/1) ... [2019-09-17 06:09:39,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:39, skipping insertion in model container [2019-09-17 06:09:39,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:09:39" (1/1) ... [2019-09-17 06:09:39,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:09:39,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:09:40,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:09:40,138 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:09:40,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:09:40,257 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:09:40,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40 WrapperNode [2019-09-17 06:09:40,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:09:40,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:09:40,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:09:40,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:09:40,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (1/1) ... [2019-09-17 06:09:40,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:09:40,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:09:40,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:09:40,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:09:40,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:40" (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 [2019-09-17 06:09:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:09:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:09:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:09:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:09:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:09:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:09:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:09:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:09:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:09:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:09:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:09:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:09:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:09:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:09:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:09:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:09:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:09:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 06:09:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:09:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:09:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:09:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:09:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:09:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:09:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:09:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:09:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:09:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:09:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:09:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:09:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:09:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:09:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:09:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:09:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:09:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:09:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:09:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:09:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:09:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:09:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:09:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:09:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:09:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:09:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:09:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:09:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:09:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:09:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:09:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 06:09:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:09:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:09:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:09:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:09:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:09:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-17 06:09:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:09:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:09:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:09:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:09:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:09:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:09:42,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:09:42,088 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:09:42,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:09:42 BoogieIcfgContainer [2019-09-17 06:09:42,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:09:42,090 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:09:42,090 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:09:42,090 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:09:42,092 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:09:42" (1/1) ... [2019-09-17 06:09:42,092 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 [2019-09-17 06:09:42,125 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:09:42,125 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:09:42,140 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:09:42,150 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:09:42,152 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:09:52,937 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:09:54,657 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:09:54,833 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:54,993 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:55,133 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:55,151 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 06:09:55,199 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 06:09:55,215 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 06:09:55,761 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 06:09:56,120 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 06:09:56,628 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:09:57,014 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:09:57,358 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:09:57,638 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:09:57,915 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:09:58,223 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:09:58,627 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:09:59,061 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:09:59,604 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:09:59,998 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-17 06:10:00,032 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-17 06:10:00,053 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-17 06:10:00,057 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-17 06:10:00,059 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:10:00,060 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:10:00,062 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 537#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:10:00,078 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:10:00,079 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:10:00,084 INFO L168 Benchmark]: Toolchain (without parser) took 20476.98 ms. Allocated memory was 130.5 MB in the beginning and 555.2 MB in the end (delta: 424.7 MB). Free memory was 83.8 MB in the beginning and 398.3 MB in the end (delta: -314.6 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,086 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.62 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 163.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,093 INFO L168 Benchmark]: Boogie Preprocessor took 119.91 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,095 INFO L168 Benchmark]: RCFGBuilder took 1710.87 ms. Allocated memory was 198.2 MB in the beginning and 218.1 MB in the end (delta: 19.9 MB). Free memory was 159.1 MB in the beginning and 146.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,096 INFO L168 Benchmark]: Sifa took 17992.24 ms. Allocated memory was 218.1 MB in the beginning and 555.2 MB in the end (delta: 337.1 MB). Free memory was 146.3 MB in the beginning and 398.3 MB in the end (delta: -252.0 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:00,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.62 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 163.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.91 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1710.87 ms. Allocated memory was 198.2 MB in the beginning and 218.1 MB in the end (delta: 19.9 MB). Free memory was 159.1 MB in the beginning and 146.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Sifa took 17992.24 ms. Allocated memory was 218.1 MB in the beginning and 555.2 MB in the end (delta: 337.1 MB). Free memory was 146.3 MB in the beginning and 398.3 MB in the end (delta: -252.0 MB). Peak memory consumption was 85.1 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]: 17938, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 229, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 160, TOOLS_POST_TIME[ms]: 12703, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 116, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 53, TOOLS_QUANTIFIERELIM_APPLICATIONS: 275, TOOLS_QUANTIFIERELIM_TIME[ms]: 12785, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12623, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 234, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 94, DOMAIN_JOIN_TIME[ms]: 4711, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 58, DOMAIN_ISBOTTOM_TIME[ms]: 180, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4594, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4593, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13054, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13053, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 720, DAG_COMPRESSION_RETAINED_NODES: 244 - UnprovableResult [Line: 876]: 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 537#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~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...