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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:04:50,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:04:50,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:04:50,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:04:50,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:04:50,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:04:50,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:04:50,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:04:50,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:04:50,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:04:50,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:04:50,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:04:50,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:04:50,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:04:50,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:04:50,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:04:50,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:04:50,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:04:50,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:04:50,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:04:50,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:04:50,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:04:50,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:04:50,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:04:50,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:04:50,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:04:50,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:04:50,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:04:50,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:04:50,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:04:50,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:04:50,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:04:50,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:04:50,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:04:50,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:04:50,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:04:50,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:04:50,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:04:50,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:04:50,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:04:50,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:04:50,372 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 [2019-09-18 05:04:50,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:04:50,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:04:50,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:04:50,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:04:50,388 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:04:50,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:04:50,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:04:50,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:04:50,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:04:50,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:04:50,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:04:50,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:04:50,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:04:50,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:04:50,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:04:50,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:04:50,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:04:50,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:04:50,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:04:50,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:04:50,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:04:50,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:04:50,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:04:50,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:04:50,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:04:50,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:04:50,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:04:50,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:04:50,393 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 05:04:50,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:04:50,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:04:50,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:04:50,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:04:50,442 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:04:50,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-09-18 05:04:50,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bd70df/b8a9e7bd856048f69699398bcbb9fe81/FLAG7ee2484ec [2019-09-18 05:04:50,997 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:04:51,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2019-09-18 05:04:51,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bd70df/b8a9e7bd856048f69699398bcbb9fe81/FLAG7ee2484ec [2019-09-18 05:04:51,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bd70df/b8a9e7bd856048f69699398bcbb9fe81 [2019-09-18 05:04:51,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:04:51,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:04:51,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:04:51,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:04:51,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:04:51,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:51,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@922088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51, skipping insertion in model container [2019-09-18 05:04:51,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:51,348 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:04:51,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:04:51,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:04:51,807 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:04:51,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:04:51,959 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:04:51,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51 WrapperNode [2019-09-18 05:04:51,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:04:51,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:04:51,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:04:51,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:04:51,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:51,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:51,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:51,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:52,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:52,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:52,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (1/1) ... [2019-09-18 05:04:52,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:04:52,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:04:52,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:04:52,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:04:52,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:04:51" (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 [2019-09-18 05:04:52,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 05:04:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 05:04:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:04:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 05:04:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 05:04:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 05:04:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:04:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 05:04:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 05:04:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 05:04:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 05:04:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 05:04:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 05:04:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:04:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:04:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 05:04:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 05:04:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 05:04:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 05:04:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 05:04:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 05:04:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 05:04:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 05:04:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 05:04:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 05:04:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:04:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 05:04:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:04:53,137 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:04:53,137 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 05:04:53,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:04:53 BoogieIcfgContainer [2019-09-18 05:04:53,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:04:53,140 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:04:53,140 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:04:53,141 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:04:53,142 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:04:53" (1/1) ... [2019-09-18 05:04:53,142 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 05:04:53,174 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:04:53,174 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:04:53,187 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:04:53,201 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:04:53,202 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:05:17,062 WARN L191 SmtUtils]: Spent 14.38 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:05:18,692 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 05:05:22,666 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 05:05:24,463 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:05:26,233 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:05:26,249 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 05:05:26,318 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 05:05:26,339 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 05:05:37,751 WARN L191 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 05:05:43,295 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 05:06:01,662 WARN L191 SmtUtils]: Spent 18.29 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 05:06:10,754 WARN L191 SmtUtils]: Spent 9.09 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 05:06:43,390 WARN L191 SmtUtils]: Spent 32.52 s on a formula simplification. DAG size of input: 486 DAG size of output: 483 [2019-09-18 05:06:59,660 WARN L191 SmtUtils]: Spent 16.27 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 05:07:16,123 WARN L191 SmtUtils]: Spent 16.46 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-18 05:07:17,252 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 05:07:17,611 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-18 05:07:17,737 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 05:07:17,881 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 05:07:18,756 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 05:07:19,034 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-18 05:07:19,296 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-18 05:07:19,568 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-18 05:07:19,865 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-18 05:07:20,106 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-18 05:07:20,349 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-18 05:07:20,510 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 05:07:20,744 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 05:07:21,085 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-18 05:07:21,212 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 05:07:21,353 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 05:07:21,584 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 05:07:21,595 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 05:07:21,944 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-18 05:07:22,033 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 05:07:22,142 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-18 05:07:22,145 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 05:07:22,168 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:07:22,169 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:07:22,171 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 472#(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))) [2019-09-18 05:07:22,181 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:07:22,181 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:07:22,183 INFO L168 Benchmark]: Toolchain (without parser) took 150853.89 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 88.7 MB in the beginning and 80.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,184 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.51 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.5 MB in the beginning and 166.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,186 INFO L168 Benchmark]: Boogie Preprocessor took 84.16 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 160.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,187 INFO L168 Benchmark]: RCFGBuilder took 1094.78 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 159.9 MB in the beginning and 196.5 MB in the end (delta: -36.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,187 INFO L168 Benchmark]: Sifa took 149041.56 ms. Allocated memory was 227.0 MB in the beginning and 170.4 MB in the end (delta: -56.6 MB). Free memory was 196.5 MB in the beginning and 80.3 MB in the end (delta: 116.2 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-09-18 05:07:22,191 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 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.51 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.5 MB in the beginning and 166.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.16 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 160.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1094.78 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 159.9 MB in the beginning and 196.5 MB in the end (delta: -36.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * Sifa took 149041.56 ms. Allocated memory was 227.0 MB in the beginning and 170.4 MB in the end (delta: -56.6 MB). Free memory was 196.5 MB in the beginning and 80.3 MB in the end (delta: 116.2 MB). Peak memory consumption was 59.6 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]: 148998, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 239, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 29434, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 149, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 69, TOOLS_QUANTIFIERELIM_APPLICATIONS: 282, TOOLS_QUANTIFIERELIM_TIME[ms]: 29555, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29369, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 244, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 118651, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 289, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 231, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 112147, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 112147, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34018, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34017, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 492, DAG_COMPRESSION_RETAINED_NODES: 256 - UnprovableResult [Line: 506]: 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 472#(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...