java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:40:12,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:40:12,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:40:12,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:40:12,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:40:12,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:40:12,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:40:12,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:40:12,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:40:12,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:40:12,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:40:12,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:40:12,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:40:12,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:40:12,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:40:12,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:40:12,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:40:12,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:40:12,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:40:12,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:40:12,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:40:12,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:40:12,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:40:12,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:40:12,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:40:12,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:40:12,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:40:12,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:40:12,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:40:12,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:40:12,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:40:12,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:40:12,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:40:12,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:40:12,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:40:12,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:40:12,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:40:12,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:40:12,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:40:12,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:40:12,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:40:12,337 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 [2019-10-14 23:40:12,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:40:12,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:40:12,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:40:12,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:40:12,367 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:40:12,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:40:12,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:40:12,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:40:12,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:40:12,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:40:12,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:40:12,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:40:12,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:40:12,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:40:12,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:40:12,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:40:12,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:40:12,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:40:12,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:40:12,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:40:12,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:40:12,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:40:12,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:40:12,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:40:12,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:40:12,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:40:12,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:40:12,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:40:12,699 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:40:12,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-10-14 23:40:12,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb678179/8d35275cfd2043a79e8493c4a57646ba/FLAG78602cfb0 [2019-10-14 23:40:13,313 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:40:13,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-10-14 23:40:13,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb678179/8d35275cfd2043a79e8493c4a57646ba/FLAG78602cfb0 [2019-10-14 23:40:13,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb678179/8d35275cfd2043a79e8493c4a57646ba [2019-10-14 23:40:13,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:40:13,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:40:13,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:40:13,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:40:13,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:40:13,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:40:13" (1/1) ... [2019-10-14 23:40:13,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404140b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:13, skipping insertion in model container [2019-10-14 23:40:13,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:40:13" (1/1) ... [2019-10-14 23:40:13,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:40:13,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:40:14,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:40:14,225 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:40:14,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:40:14,354 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:40:14,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14 WrapperNode [2019-10-14 23:40:14,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:40:14,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:40:14,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:40:14,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:40:14,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (1/1) ... [2019-10-14 23:40:14,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:40:14,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:40:14,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:40:14,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:40:14,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (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 [2019-10-14 23:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-14 23:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:40:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:40:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:40:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:40:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:40:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:40:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:40:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:40:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:40:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:40:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:40:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-14 23:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:40:15,666 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:40:15,666 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:40:15,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:40:15 BoogieIcfgContainer [2019-10-14 23:40:15,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:40:15,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:40:15,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:40:15,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:40:15,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:40:13" (1/3) ... [2019-10-14 23:40:15,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76684025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:40:15, skipping insertion in model container [2019-10-14 23:40:15,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:14" (2/3) ... [2019-10-14 23:40:15,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76684025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:40:15, skipping insertion in model container [2019-10-14 23:40:15,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:40:15" (3/3) ... [2019-10-14 23:40:15,676 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2019-10-14 23:40:15,686 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:40:15,695 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:40:15,707 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:40:15,737 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:40:15,737 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:40:15,737 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:40:15,737 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:40:15,738 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:40:15,738 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:40:15,738 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:40:15,738 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:40:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2019-10-14 23:40:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-14 23:40:15,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:40:15,769 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:40:15,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:40:15,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:40:15,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1955189829, now seen corresponding path program 1 times [2019-10-14 23:40:15,783 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:40:15,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489245548] [2019-10-14 23:40:15,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:15,784 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:15,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:40:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,487 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:40:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:40:16,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489245548] [2019-10-14 23:40:16,583 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:40:16,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:40:16,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728389575] [2019-10-14 23:40:16,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:40:16,594 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:40:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:40:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:40:16,615 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2019-10-14 23:40:17,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:40:17,831 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2019-10-14 23:40:17,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:40:17,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-10-14 23:40:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:40:17,851 INFO L225 Difference]: With dead ends: 301 [2019-10-14 23:40:17,852 INFO L226 Difference]: Without dead ends: 166 [2019-10-14 23:40:17,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:40:17,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-10-14 23:40:17,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 136. [2019-10-14 23:40:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-14 23:40:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2019-10-14 23:40:17,977 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2019-10-14 23:40:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:40:17,978 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2019-10-14 23:40:17,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:40:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2019-10-14 23:40:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-14 23:40:17,982 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:40:17,982 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:40:17,983 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:40:17,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:40:17,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1233948209, now seen corresponding path program 1 times [2019-10-14 23:40:17,984 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:40:17,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232461534] [2019-10-14 23:40:17,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:17,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:17,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:40:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,379 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:40:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:40:18,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232461534] [2019-10-14 23:40:18,514 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:40:18,514 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 23:40:18,514 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022119785] [2019-10-14 23:40:18,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 23:40:18,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:40:18,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 23:40:18,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:40:18,517 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2019-10-14 23:40:19,050 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:40:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:40:19,961 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2019-10-14 23:40:19,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:40:19,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-10-14 23:40:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:40:19,967 INFO L225 Difference]: With dead ends: 242 [2019-10-14 23:40:19,968 INFO L226 Difference]: Without dead ends: 156 [2019-10-14 23:40:19,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:40:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-14 23:40:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2019-10-14 23:40:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-14 23:40:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2019-10-14 23:40:20,003 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2019-10-14 23:40:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:40:20,004 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2019-10-14 23:40:20,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 23:40:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2019-10-14 23:40:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-14 23:40:20,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:40:20,006 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:40:20,006 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:40:20,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:40:20,007 INFO L82 PathProgramCache]: Analyzing trace with hash -385728390, now seen corresponding path program 1 times [2019-10-14 23:40:20,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:40:20,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244228812] [2019-10-14 23:40:20,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:20,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:20,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:40:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,353 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:40:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:40:20,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244228812] [2019-10-14 23:40:20,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:40:20,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:40:20,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209403832] [2019-10-14 23:40:20,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:40:20,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:40:20,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:40:20,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:40:20,560 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 9 states. [2019-10-14 23:40:21,113 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:40:21,487 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-10-14 23:40:21,790 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:40:22,080 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:40:23,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:40:23,380 INFO L93 Difference]: Finished difference Result 255 states and 314 transitions. [2019-10-14 23:40:23,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:40:23,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2019-10-14 23:40:23,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:40:23,383 INFO L225 Difference]: With dead ends: 255 [2019-10-14 23:40:23,383 INFO L226 Difference]: Without dead ends: 156 [2019-10-14 23:40:23,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:40:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-14 23:40:23,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2019-10-14 23:40:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-14 23:40:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-10-14 23:40:23,438 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 65 [2019-10-14 23:40:23,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:40:23,440 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-10-14 23:40:23,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:40:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-10-14 23:40:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-14 23:40:23,448 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:40:23,448 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:40:23,449 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:40:23,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:40:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash -834881370, now seen corresponding path program 1 times [2019-10-14 23:40:23,450 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:40:23,450 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749231430] [2019-10-14 23:40:23,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:23,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:40:23,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:40:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,845 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:40:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:40:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:40:23,945 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749231430] [2019-10-14 23:40:23,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:40:23,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:40:23,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607803712] [2019-10-14 23:40:23,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:40:23,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:40:23,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:40:23,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:40:23,948 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 9 states. [2019-10-14 23:40:24,498 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:40:25,280 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:40:25,979 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:40:26,286 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:40:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:40:26,350 INFO L93 Difference]: Finished difference Result 212 states and 264 transitions. [2019-10-14 23:40:26,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:40:26,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2019-10-14 23:40:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:40:26,352 INFO L225 Difference]: With dead ends: 212 [2019-10-14 23:40:26,353 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:40:26,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:40:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:40:26,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:40:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:40:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:40:26,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-14 23:40:26,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:40:26,356 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:40:26,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:40:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:40:26,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:40:26,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:40:27,633 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2019-10-14 23:40:27,771 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:27,958 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2019-10-14 23:40:28,109 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2019-10-14 23:40:28,343 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:40:28,511 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:28,666 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2019-10-14 23:40:28,835 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2019-10-14 23:40:28,983 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2019-10-14 23:40:29,118 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2019-10-14 23:40:29,285 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2019-10-14 23:40:29,451 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:29,623 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:29,773 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:29,918 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2019-10-14 23:40:30,074 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2019-10-14 23:40:30,233 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2019-10-14 23:40:30,486 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2019-10-14 23:40:30,666 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 500 504) no Hoare annotation was computed. [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 469 524) no Hoare annotation was computed. [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point L494-2(lines 494 515) no Hoare annotation was computed. [2019-10-14 23:40:30,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 469 524) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point L516(lines 493 517) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 469 524) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point L577(lines 550 578) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 525 584) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 525 584) no Hoare annotation was computed. [2019-10-14 23:40:30,671 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-14 23:40:30,672 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2019-10-14 23:40:30,672 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 525 584) no Hoare annotation was computed. [2019-10-14 23:40:30,672 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-14 23:40:30,672 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 576) no Hoare annotation was computed. [2019-10-14 23:40:30,672 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2019-10-14 23:40:30,672 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2019-10-14 23:40:30,673 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-14 23:40:30,673 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2019-10-14 23:40:30,673 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2019-10-14 23:40:30,673 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 331 338) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,673 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 331 338) no Hoare annotation was computed. [2019-10-14 23:40:30,673 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 331 338) no Hoare annotation was computed. [2019-10-14 23:40:30,674 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 339 348) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,674 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 339 348) no Hoare annotation was computed. [2019-10-14 23:40:30,674 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-14 23:40:30,674 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 339 348) no Hoare annotation was computed. [2019-10-14 23:40:30,674 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 349 377) the Hoare annotation is: true [2019-10-14 23:40:30,674 INFO L439 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 349 377) no Hoare annotation was computed. [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 368) no Hoare annotation was computed. [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 371) no Hoare annotation was computed. [2019-10-14 23:40:30,675 INFO L446 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2019-10-14 23:40:30,675 INFO L443 ceAbstractionStarter]: For program point L357-1(lines 349 377) no Hoare annotation was computed. [2019-10-14 23:40:30,676 INFO L446 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2019-10-14 23:40:30,676 INFO L443 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2019-10-14 23:40:30,676 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 865 887) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,676 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2019-10-14 23:40:30,676 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0))) [2019-10-14 23:40:30,677 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2019-10-14 23:40:30,677 INFO L439 ceAbstractionStarter]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0))) [2019-10-14 23:40:30,677 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 882) no Hoare annotation was computed. [2019-10-14 23:40:30,677 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2019-10-14 23:40:30,677 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-14 23:40:30,677 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,678 INFO L439 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,678 INFO L439 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,678 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-10-14 23:40:30,678 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-14 23:40:30,678 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 823 846) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 823 846) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 823 846) no Hoare annotation was computed. [2019-10-14 23:40:30,679 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-14 23:40:30,680 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-14 23:40:30,681 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,681 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-10-14 23:40:30,681 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-10-14 23:40:30,681 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 90 114) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,681 INFO L439 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,681 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-10-14 23:40:30,681 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 90 114) no Hoare annotation was computed. [2019-10-14 23:40:30,682 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,682 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,682 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-14 23:40:30,682 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2019-10-14 23:40:30,682 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2019-10-14 23:40:30,682 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 185 193) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L446 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point L239-2(lines 239 243) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point L237-1(line 237) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 230 248) the Hoare annotation is: true [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 230 248) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 230 248) no Hoare annotation was computed. [2019-10-14 23:40:30,683 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 221) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 194 229) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 209) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 194 229) no Hoare annotation was computed. [2019-10-14 23:40:30,684 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 194 229) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 423 468) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 423 468) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 423 468) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 736 781) no Hoare annotation was computed. [2019-10-14 23:40:30,685 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 763) no Hoare annotation was computed. [2019-10-14 23:40:30,686 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 770) no Hoare annotation was computed. [2019-10-14 23:40:30,686 INFO L443 ceAbstractionStarter]: For program point L750-1(lines 750 770) no Hoare annotation was computed. [2019-10-14 23:40:30,686 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 736 781) no Hoare annotation was computed. [2019-10-14 23:40:30,686 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 736 781) no Hoare annotation was computed. [2019-10-14 23:40:30,686 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 854 864) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,686 INFO L439 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,687 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2019-10-14 23:40:30,687 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2019-10-14 23:40:30,687 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 174 184) the Hoare annotation is: true [2019-10-14 23:40:30,687 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2019-10-14 23:40:30,687 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 174 184) no Hoare annotation was computed. [2019-10-14 23:40:30,687 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-14 23:40:30,687 INFO L443 ceAbstractionStarter]: For program point L179-1(line 179) no Hoare annotation was computed. [2019-10-14 23:40:30,688 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2019-10-14 23:40:30,688 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2019-10-14 23:40:30,688 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2019-10-14 23:40:30,688 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,688 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-10-14 23:40:30,688 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,688 INFO L443 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2019-10-14 23:40:30,689 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-10-14 23:40:30,689 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2019-10-14 23:40:30,689 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,689 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,689 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2019-10-14 23:40:30,689 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,689 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-10-14 23:40:30,690 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-10-14 23:40:30,690 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 326) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,690 INFO L439 ceAbstractionStarter]: At program point L316(lines 271 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,690 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,690 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-14 23:40:30,690 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-14 23:40:30,691 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 326) no Hoare annotation was computed. [2019-10-14 23:40:30,691 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-14 23:40:30,691 INFO L439 ceAbstractionStarter]: At program point L319(lines 270 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,691 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2019-10-14 23:40:30,691 INFO L439 ceAbstractionStarter]: At program point L309-2(lines 301 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,691 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 318) no Hoare annotation was computed. [2019-10-14 23:40:30,691 INFO L439 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 314) no Hoare annotation was computed. [2019-10-14 23:40:30,692 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 326) no Hoare annotation was computed. [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 724) no Hoare annotation was computed. [2019-10-14 23:40:30,692 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 704 724) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 690 735) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 690 735) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 690 735) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 717) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 141 148) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 141 148) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-14 23:40:30,693 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 968 976) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 968 976) the Hoare annotation is: true [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 968 976) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 936 958) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 936 958) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 936 958) no Hoare annotation was computed. [2019-10-14 23:40:30,694 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 383 392) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 587 689) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point L636-2(lines 636 656) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point L657(lines 635 658) no Hoare annotation was computed. [2019-10-14 23:40:30,695 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 632) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 587 689) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point L637(lines 636 656) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 674) no Hoare annotation was computed. [2019-10-14 23:40:30,696 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 587 689) no Hoare annotation was computed. [2019-10-14 23:40:30,697 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-14 23:40:30,697 INFO L443 ceAbstractionStarter]: For program point L652-1(line 652) no Hoare annotation was computed. [2019-10-14 23:40:30,697 INFO L443 ceAbstractionStarter]: For program point L611(lines 611 615) no Hoare annotation was computed. [2019-10-14 23:40:30,697 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 686) no Hoare annotation was computed. [2019-10-14 23:40:30,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point L160-1(lines 149 165) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 162) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 149 165) no Hoare annotation was computed. [2019-10-14 23:40:30,698 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-14 23:40:30,699 INFO L443 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2019-10-14 23:40:30,699 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 149 165) no Hoare annotation was computed. [2019-10-14 23:40:30,699 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 959 967) the Hoare annotation is: true [2019-10-14 23:40:30,699 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 959 967) no Hoare annotation was computed. [2019-10-14 23:40:30,699 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2019-10-14 23:40:30,699 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: (or (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,699 INFO L443 ceAbstractionStarter]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 927 935) the Hoare annotation is: true [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 927 935) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2019-10-14 23:40:30,700 INFO L439 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,701 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-10-14 23:40:30,701 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-10-14 23:40:30,701 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,701 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-10-14 23:40:30,701 INFO L439 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,701 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-10-14 23:40:30,702 INFO L439 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,702 INFO L446 ceAbstractionStarter]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2019-10-14 23:40:30,702 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2019-10-14 23:40:30,702 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-10-14 23:40:30,702 INFO L443 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2019-10-14 23:40:30,702 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2019-10-14 23:40:30,702 INFO L446 ceAbstractionStarter]: At program point L818(lines 793 822) the Hoare annotation is: true [2019-10-14 23:40:30,702 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L446 ceAbstractionStarter]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2019-10-14 23:40:30,703 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 891 902) the Hoare annotation is: true [2019-10-14 23:40:30,703 INFO L443 ceAbstractionStarter]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2019-10-14 23:40:30,703 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2019-10-14 23:40:30,704 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,704 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-14 23:40:30,704 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:40:30,704 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:40:30,704 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 249 256) no Hoare annotation was computed. [2019-10-14 23:40:30,704 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 249 256) the Hoare annotation is: (or (= ~systemActive~0 |old(~systemActive~0)|) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-14 23:40:30,704 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 249 256) no Hoare annotation was computed. [2019-10-14 23:40:30,704 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2019-10-14 23:40:30,705 INFO L443 ceAbstractionStarter]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2019-10-14 23:40:30,705 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-14 23:40:30,705 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 783 790) no Hoare annotation was computed. [2019-10-14 23:40:30,705 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 787) no Hoare annotation was computed. [2019-10-14 23:40:30,705 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 783 790) the Hoare annotation is: true [2019-10-14 23:40:30,705 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 783 790) no Hoare annotation was computed. [2019-10-14 23:40:30,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:40:30 BoogieIcfgContainer [2019-10-14 23:40:30,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:40:30,721 INFO L168 Benchmark]: Toolchain (without parser) took 17092.33 ms. Allocated memory was 144.2 MB in the beginning and 515.4 MB in the end (delta: 371.2 MB). Free memory was 100.1 MB in the beginning and 454.0 MB in the end (delta: -354.0 MB). Peak memory consumption was 348.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,722 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.72 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 170.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,724 INFO L168 Benchmark]: Boogie Preprocessor took 83.94 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,725 INFO L168 Benchmark]: RCFGBuilder took 1228.73 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 197.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,726 INFO L168 Benchmark]: TraceAbstraction took 15049.99 ms. Allocated memory was 233.3 MB in the beginning and 515.4 MB in the end (delta: 282.1 MB). Free memory was 197.2 MB in the beginning and 454.0 MB in the end (delta: -256.8 MB). Peak memory consumption was 356.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:40:30,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.72 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 170.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.94 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.73 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 197.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15049.99 ms. Allocated memory was 233.3 MB in the beginning and 515.4 MB in the end (delta: 282.1 MB). Free memory was 197.2 MB in the beginning and 454.0 MB in the end (delta: -256.8 MB). Peak memory consumption was 356.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 787]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 14.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 431 SDtfs, 605 SDslu, 268 SDs, 0 SdLazy, 1197 SolverSat, 408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 249 PreInvPairs, 269 NumberOfFragments, 768 HoareAnnotationTreeSize, 249 FomulaSimplifications, 10482 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5351 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 78432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...