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 --sifa.simplification.technique SIMPLIFY_DDA -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 15:15:53,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 15:15:53,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 15:15:53,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 15:15:53,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 15:15:53,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 15:15:53,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 15:15:53,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 15:15:53,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 15:15:53,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 15:15:53,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 15:15:53,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 15:15:53,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 15:15:53,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 15:15:53,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 15:15:53,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 15:15:53,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 15:15:53,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 15:15:53,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 15:15:53,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 15:15:53,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 15:15:53,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 15:15:53,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 15:15:53,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 15:15:53,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-02 15:15:53,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-02 15:15:53,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-02 15:15:53,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-02 15:15:53,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-02 15:15:53,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-02 15:15:53,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 15:15:53,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 15:15:53,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 15:15:53,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 15:15:53,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 15:15:53,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 15:15:53,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 15:15:53,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 15:15:53,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 15:15:53,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 15:15:53,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 15:15:53,484 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 [2019-09-02 15:15:53,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 15:15:53,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 15:15:53,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 15:15:53,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 15:15:53,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 15:15:53,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 15:15:53,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 15:15:53,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 15:15:53,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 15:15:53,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 15:15:53,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 15:15:53,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 15:15:53,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 15:15:53,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 15:15:53,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 15:15:53,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 15:15:53,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 15:15:53,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 15:15:53,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 15:15:53,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 15:15:53,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 15:15:53,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:53,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 15:15:53,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 15:15:53,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 15:15:53,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 15:15:53,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 15:15:53,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 15:15:53,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-02 15:15:53,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 15:15:53,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 15:15:53,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 15:15:53,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 15:15:53,553 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 15:15:53,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-09-02 15:15:53,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fdf52dd/cd400b691b1e4ef19ac292d8fe384c24/FLAG48a445c24 [2019-09-02 15:15:54,073 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 15:15:54,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-09-02 15:15:54,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fdf52dd/cd400b691b1e4ef19ac292d8fe384c24/FLAG48a445c24 [2019-09-02 15:15:54,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fdf52dd/cd400b691b1e4ef19ac292d8fe384c24 [2019-09-02 15:15:54,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 15:15:54,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 15:15:54,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:54,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 15:15:54,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 15:15:54,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:54" (1/1) ... [2019-09-02 15:15:54,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74340391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:54, skipping insertion in model container [2019-09-02 15:15:54,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:54" (1/1) ... [2019-09-02 15:15:54,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 15:15:54,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 15:15:54,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:54,922 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 15:15:54,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:55,027 INFO L192 MainTranslator]: Completed translation [2019-09-02 15:15:55,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55 WrapperNode [2019-09-02 15:15:55,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:55,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 15:15:55,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 15:15:55,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 15:15:55,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (1/1) ... [2019-09-02 15:15:55,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 15:15:55,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 15:15:55,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 15:15:55,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 15:15:55,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:55" (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 [2019-09-02 15:15:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 15:15:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 15:15:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-02 15:15:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-02 15:15:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-02 15:15:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-02 15:15:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-02 15:15:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 15:15:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-02 15:15:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-02 15:15:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-02 15:15:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-02 15:15:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-02 15:15:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-02 15:15:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-02 15:15:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-02 15:15:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-02 15:15:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-02 15:15:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-02 15:15:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-02 15:15:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-02 15:15:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-02 15:15:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-02 15:15:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-02 15:15:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-02 15:15:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-02 15:15:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-02 15:15:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-02 15:15:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-02 15:15:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-02 15:15:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 15:15:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-02 15:15:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-02 15:15:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-02 15:15:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-02 15:15:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-02 15:15:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-02 15:15:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-02 15:15:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-02 15:15:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-02 15:15:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-02 15:15:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-02 15:15:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-02 15:15:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-02 15:15:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-02 15:15:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-02 15:15:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-02 15:15:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 15:15:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-02 15:15:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-02 15:15:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-02 15:15:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-02 15:15:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-02 15:15:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-02 15:15:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-02 15:15:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-02 15:15:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 15:15:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-02 15:15:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-02 15:15:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 15:15:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-02 15:15:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-02 15:15:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 15:15:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-02 15:15:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-02 15:15:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-02 15:15:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 15:15:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-02 15:15:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 15:15:56,200 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 15:15:56,201 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-02 15:15:56,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:56 BoogieIcfgContainer [2019-09-02 15:15:56,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 15:15:56,203 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 15:15:56,203 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 15:15:56,203 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 15:15:56,204 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:56" (1/1) ... [2019-09-02 15:15:56,205 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-02 15:15:56,241 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 15:15:56,242 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 15:15:56,251 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 15:15:56,261 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 15:15:56,262 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 15:16:08,416 WARN L188 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-02 15:16:19,975 WARN L188 SmtUtils]: Spent 11.56 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-02 15:16:20,267 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-02 15:16:46,384 WARN L188 SmtUtils]: Spent 26.11 s on a formula simplification. DAG size of input: 509 DAG size of output: 451 [2019-09-02 15:16:57,668 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-02 15:16:57,682 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 490 for LOIs [2019-09-02 15:17:01,884 WARN L188 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 482 DAG size of output: 432 [2019-09-02 15:17:03,784 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-02 15:17:04,050 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-02 15:17:08,445 WARN L188 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 480 DAG size of output: 432 [2019-09-02 15:17:12,638 WARN L188 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 482 DAG size of output: 432 [2019-09-02 15:17:14,448 WARN L188 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-02 15:17:14,702 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-02 15:17:18,959 WARN L188 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 480 DAG size of output: 432 [2019-09-02 15:17:23,050 WARN L188 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 486 DAG size of output: 436 [2019-09-02 15:17:24,943 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 436 [2019-09-02 15:17:25,213 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-02 15:17:29,556 WARN L188 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 488 DAG size of output: 436 [2019-09-02 15:17:33,536 WARN L188 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 482 DAG size of output: 432 [2019-09-02 15:17:35,368 WARN L188 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-02 15:17:35,613 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-02 15:17:39,857 WARN L188 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 480 DAG size of output: 432 [2019-09-02 15:17:39,864 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 490 for LOIs [2019-09-02 15:17:39,870 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 490 for LOIs [2019-09-02 15:17:46,257 WARN L188 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 491 DAG size of output: 435 [2019-09-02 15:17:48,073 WARN L188 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-02 15:17:48,339 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-02 15:17:52,660 WARN L188 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 485 DAG size of output: 436 [2019-09-02 15:17:54,562 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 436 [2019-09-02 15:17:56,450 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 436 [2019-09-02 15:17:56,706 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-02 15:18:00,980 WARN L188 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 484 DAG size of output: 436 [2019-09-02 15:18:05,082 WARN L188 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 486 DAG size of output: 434 [2019-09-02 15:18:06,935 WARN L188 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:18:07,200 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-02 15:18:11,482 WARN L188 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 484 DAG size of output: 434 [2019-09-02 15:18:13,353 WARN L188 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:18:15,252 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:18:15,509 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-02 15:18:19,797 WARN L188 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 484 DAG size of output: 434 [2019-09-02 15:18:32,865 WARN L188 SmtUtils]: Spent 13.04 s on a formula simplification. DAG size of input: 517 DAG size of output: 462 [2019-09-02 15:18:38,728 WARN L188 SmtUtils]: Spent 5.86 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-02 15:18:39,667 WARN L188 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-02 15:18:51,876 WARN L188 SmtUtils]: Spent 12.21 s on a formula simplification. DAG size of input: 528 DAG size of output: 494 [2019-09-02 15:19:04,968 WARN L188 SmtUtils]: Spent 13.09 s on a formula simplification. DAG size of input: 517 DAG size of output: 462 [2019-09-02 15:19:10,810 WARN L188 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-02 15:19:11,755 WARN L188 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-02 15:19:23,840 WARN L188 SmtUtils]: Spent 12.08 s on a formula simplification. DAG size of input: 528 DAG size of output: 494 [2019-09-02 15:19:36,899 WARN L188 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 517 DAG size of output: 462 [2019-09-02 15:19:42,792 WARN L188 SmtUtils]: Spent 5.89 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-02 15:19:43,739 WARN L188 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-02 15:19:55,988 WARN L188 SmtUtils]: Spent 12.25 s on a formula simplification. DAG size of input: 528 DAG size of output: 494 [2019-09-02 15:20:09,053 WARN L188 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 517 DAG size of output: 462 [2019-09-02 15:20:14,957 WARN L188 SmtUtils]: Spent 5.90 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-02 15:20:15,897 WARN L188 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-02 15:20:28,106 WARN L188 SmtUtils]: Spent 12.21 s on a formula simplification. DAG size of input: 528 DAG size of output: 494 [2019-09-02 15:20:41,169 WARN L188 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 517 DAG size of output: 462 [2019-09-02 15:20:47,068 WARN L188 SmtUtils]: Spent 5.90 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-02 15:20:48,055 WARN L188 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-02 15:21:00,288 WARN L188 SmtUtils]: Spent 12.23 s on a formula simplification. DAG size of input: 528 DAG size of output: 494 [2019-09-02 15:21:04,412 WARN L188 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 484 DAG size of output: 434 [2019-09-02 15:21:06,227 WARN L188 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:21:06,495 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-02 15:21:10,844 WARN L188 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 484 DAG size of output: 434 [2019-09-02 15:21:12,738 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:21:14,631 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-02 15:21:14,890 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-02 15:21:19,259 WARN L188 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 484 DAG size of output: 434 [2019-09-02 15:21:33,995 WARN L188 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 579 DAG size of output: 525 [2019-09-02 15:21:40,728 WARN L188 SmtUtils]: Spent 6.73 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-02 15:21:41,079 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:21:56,776 WARN L188 SmtUtils]: Spent 15.70 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2019-09-02 15:22:11,433 WARN L188 SmtUtils]: Spent 14.66 s on a formula simplification. DAG size of input: 579 DAG size of output: 525 [2019-09-02 15:22:18,211 WARN L188 SmtUtils]: Spent 6.78 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-02 15:22:18,555 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:22:34,133 WARN L188 SmtUtils]: Spent 15.58 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2019-09-02 15:22:48,756 WARN L188 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 579 DAG size of output: 525 [2019-09-02 15:22:55,478 WARN L188 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-02 15:22:55,813 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:23:11,608 WARN L188 SmtUtils]: Spent 15.79 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2019-09-02 15:23:26,243 WARN L188 SmtUtils]: Spent 14.63 s on a formula simplification. DAG size of input: 579 DAG size of output: 525 [2019-09-02 15:23:32,989 WARN L188 SmtUtils]: Spent 6.74 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-02 15:23:33,342 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:23:48,987 WARN L188 SmtUtils]: Spent 15.64 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2019-09-02 15:24:03,685 WARN L188 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 579 DAG size of output: 525 [2019-09-02 15:24:10,453 WARN L188 SmtUtils]: Spent 6.77 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-02 15:24:10,796 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:24:26,393 WARN L188 SmtUtils]: Spent 15.60 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2019-09-02 15:24:43,884 WARN L188 SmtUtils]: Spent 17.48 s on a formula simplification. DAG size of input: 581 DAG size of output: 530 [2019-09-02 15:24:52,422 WARN L188 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 530 [2019-09-02 15:24:52,784 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:25:13,004 WARN L188 SmtUtils]: Spent 20.22 s on a formula simplification. DAG size of input: 533 DAG size of output: 502 [2019-09-02 15:25:30,466 WARN L188 SmtUtils]: Spent 17.46 s on a formula simplification. DAG size of input: 581 DAG size of output: 530 [2019-09-02 15:25:39,001 WARN L188 SmtUtils]: Spent 8.53 s on a formula simplification that was a NOOP. DAG size: 530 [2019-09-02 15:25:39,340 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:25:59,393 WARN L188 SmtUtils]: Spent 20.05 s on a formula simplification. DAG size of input: 533 DAG size of output: 502 [2019-09-02 15:26:16,784 WARN L188 SmtUtils]: Spent 17.39 s on a formula simplification. DAG size of input: 581 DAG size of output: 530 [2019-09-02 15:26:25,295 WARN L188 SmtUtils]: Spent 8.51 s on a formula simplification that was a NOOP. DAG size: 530 [2019-09-02 15:26:25,639 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:26:45,907 WARN L188 SmtUtils]: Spent 20.27 s on a formula simplification. DAG size of input: 533 DAG size of output: 502 [2019-09-02 15:27:03,361 WARN L188 SmtUtils]: Spent 17.45 s on a formula simplification. DAG size of input: 581 DAG size of output: 530 [2019-09-02 15:27:11,808 WARN L188 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 530 [2019-09-02 15:27:12,151 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:27:32,390 WARN L188 SmtUtils]: Spent 20.24 s on a formula simplification. DAG size of input: 533 DAG size of output: 502 [2019-09-02 15:27:49,887 WARN L188 SmtUtils]: Spent 17.49 s on a formula simplification. DAG size of input: 581 DAG size of output: 530 [2019-09-02 15:27:58,427 WARN L188 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 530 [2019-09-02 15:27:58,764 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-02 15:28:18,892 WARN L188 SmtUtils]: Spent 20.13 s on a formula simplification. DAG size of input: 533 DAG size of output: 502 [2019-09-02 15:28:20,824 WARN L188 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-02 15:28:35,571 WARN L188 SmtUtils]: Spent 14.74 s on a formula simplification. DAG size of input: 475 DAG size of output: 461 [2019-09-02 15:28:37,969 WARN L188 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-02 15:28:38,260 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-02 15:28:42,911 WARN L188 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 464 DAG size of output: 460 [2019-09-02 15:28:45,153 WARN L188 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-02 15:28:47,423 WARN L188 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-02 15:28:47,687 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-02 15:28:52,245 WARN L188 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-02 15:28:54,314 WARN L188 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 471 DAG size of output: 1 [2019-09-02 15:29:00,020 WARN L188 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 472 DAG size of output: 458 [2019-09-02 15:29:01,521 WARN L188 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-02 15:29:01,787 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-02 15:29:06,302 WARN L188 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 461 DAG size of output: 457 [2019-09-02 15:29:08,572 WARN L188 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-02 15:29:10,800 WARN L188 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-02 15:29:11,068 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-02 15:29:15,635 WARN L188 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 465 DAG size of output: 459