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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:07:04,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:07:04,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:07:04,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:07:04,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:07:04,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:07:04,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:07:04,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:07:04,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:07:04,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:07:04,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:07:04,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:07:04,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:07:04,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:07:04,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:07:04,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:07:04,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:07:04,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:07:04,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:07:04,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:07:04,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:07:04,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:07:04,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:07:04,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:07:04,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:07:04,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:07:04,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:07:04,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:07:04,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:07:04,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:07:04,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:07:04,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:07:04,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:07:04,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:07:04,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:07:04,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:07:04,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:07:04,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:07:04,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:07:04,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:07:04,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:07:04,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:07:04,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:07:04,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:07:04,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:07:04,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:07:04,514 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:07:04,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:07:04,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:07:04,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:07:04,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:07:04,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:07:04,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:07:04,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:07:04,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:07:04,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:07:04,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:07:04,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:07:04,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:07:04,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:07:04,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:07:04,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:07:04,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:07:04,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:07:04,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:07:04,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:07:04,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:07:04,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:07:04,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:07:04,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:07:04,573 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:07:04,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-09-20 13:07:04,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0af9e9d1/3e9c62120cfb46ccb20d6b41c727cf9b/FLAG103285dfd [2019-09-20 13:07:05,153 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:07:05,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-09-20 13:07:05,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0af9e9d1/3e9c62120cfb46ccb20d6b41c727cf9b/FLAG103285dfd [2019-09-20 13:07:05,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0af9e9d1/3e9c62120cfb46ccb20d6b41c727cf9b [2019-09-20 13:07:05,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:07:05,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:07:05,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:07:05,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:07:05,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:07:05,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:05" (1/1) ... [2019-09-20 13:07:05,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:05, skipping insertion in model container [2019-09-20 13:07:05,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:05" (1/1) ... [2019-09-20 13:07:05,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:07:05,554 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:07:06,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:07:06,033 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:07:06,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:07:06,187 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:07:06,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06 WrapperNode [2019-09-20 13:07:06,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:07:06,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:07:06,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:07:06,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:07:06,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... [2019-09-20 13:07:06,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:07:06,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:07:06,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:07:06,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:07:06,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:07:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:07:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:07:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:07:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:07:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:07:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:07:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:07:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:07:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:07:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:07:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:07:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:07:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:07:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:07:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:07:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:07:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:07:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:07:07,447 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:07:07,449 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:07:07,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:07:07 BoogieIcfgContainer [2019-09-20 13:07:07,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:07:07,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:07:07,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:07:07,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:07:07,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:07:05" (1/3) ... [2019-09-20 13:07:07,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d6bd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:07:07, skipping insertion in model container [2019-09-20 13:07:07,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:06" (2/3) ... [2019-09-20 13:07:07,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d6bd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:07:07, skipping insertion in model container [2019-09-20 13:07:07,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:07:07" (3/3) ... [2019-09-20 13:07:07,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2019-09-20 13:07:07,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:07:07,486 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:07:07,518 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:07:07,549 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:07:07,550 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:07:07,550 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:07:07,550 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:07:07,551 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:07:07,551 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:07:07,551 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:07:07,551 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:07:07,551 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:07:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-09-20 13:07:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:07:07,585 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:07,586 INFO L407 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] [2019-09-20 13:07:07,588 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:07,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:07,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1595461522, now seen corresponding path program 1 times [2019-09-20 13:07:07,595 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:07,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:07,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:07,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:07,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:07,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:07,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:07:07,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:07:07,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:07:07,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:07:08,001 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-09-20 13:07:08,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:08,060 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2019-09-20 13:07:08,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:07:08,063 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:07:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:08,086 INFO L225 Difference]: With dead ends: 220 [2019-09-20 13:07:08,086 INFO L226 Difference]: Without dead ends: 112 [2019-09-20 13:07:08,095 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:07:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-20 13:07:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-20 13:07:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-20 13:07:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-09-20 13:07:08,202 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 59 [2019-09-20 13:07:08,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:08,203 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-09-20 13:07:08,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:07:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-09-20 13:07:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:07:08,212 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:08,213 INFO L407 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] [2019-09-20 13:07:08,213 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:08,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:08,215 INFO L82 PathProgramCache]: Analyzing trace with hash 164051159, now seen corresponding path program 1 times [2019-09-20 13:07:08,215 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:08,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:08,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:08,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:08,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:08,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:07:08,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:07:08,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:07:08,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:07:08,462 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 7 states. [2019-09-20 13:07:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:08,787 INFO L93 Difference]: Finished difference Result 196 states and 235 transitions. [2019-09-20 13:07:08,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:07:08,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:07:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:08,790 INFO L225 Difference]: With dead ends: 196 [2019-09-20 13:07:08,791 INFO L226 Difference]: Without dead ends: 112 [2019-09-20 13:07:08,793 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:07:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-20 13:07:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-20 13:07:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-20 13:07:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-09-20 13:07:08,807 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 64 [2019-09-20 13:07:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:08,809 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-09-20 13:07:08,810 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:07:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-09-20 13:07:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:07:08,812 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:08,812 INFO L407 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] [2019-09-20 13:07:08,812 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1287960888, now seen corresponding path program 1 times [2019-09-20 13:07:08,813 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:08,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:08,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:08,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:07:08,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:08,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:07:08,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:07:08,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:07:08,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:08,892 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 3 states. [2019-09-20 13:07:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:08,904 INFO L93 Difference]: Finished difference Result 169 states and 193 transitions. [2019-09-20 13:07:08,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:07:08,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-20 13:07:08,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:08,907 INFO L225 Difference]: With dead ends: 169 [2019-09-20 13:07:08,907 INFO L226 Difference]: Without dead ends: 103 [2019-09-20 13:07:08,908 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:07:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-09-20 13:07:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-09-20 13:07:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-09-20 13:07:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2019-09-20 13:07:08,919 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 68 [2019-09-20 13:07:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:08,920 INFO L475 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2019-09-20 13:07:08,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:07:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2019-09-20 13:07:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-20 13:07:08,922 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:08,922 INFO L407 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] [2019-09-20 13:07:08,922 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:08,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1236378138, now seen corresponding path program 1 times [2019-09-20 13:07:08,923 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:08,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:08,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:08,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:07:09,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:07:09,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:07:09,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:07:09,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:07:09,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:07:09,072 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 7 states. [2019-09-20 13:07:09,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:09,405 INFO L93 Difference]: Finished difference Result 156 states and 184 transitions. [2019-09-20 13:07:09,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:07:09,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-09-20 13:07:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:09,407 INFO L225 Difference]: With dead ends: 156 [2019-09-20 13:07:09,407 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:07:09,409 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:07:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:07:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:07:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:07:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:07:09,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2019-09-20 13:07:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:09,410 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:07:09,411 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:07:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:07:09,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:07:09,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:07:09,904 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-09-20 13:07:09,905 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-09-20 13:07:09,906 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-09-20 13:07:09,907 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-09-20 13:07:09,907 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-09-20 13:07:09,907 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-20 13:07:09,907 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-09-20 13:07:09,907 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:07:09,908 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:07:09,908 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:07:09,908 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:07:09,908 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:07:09,908 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2019-09-20 13:07:09,908 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2019-09-20 13:07:09,908 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2019-09-20 13:07:09,909 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2019-09-20 13:07:09,909 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-20 13:07:09,909 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2019-09-20 13:07:09,909 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 456 465) no Hoare annotation was computed. [2019-09-20 13:07:09,909 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,909 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-09-20 13:07:09,910 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2019-09-20 13:07:09,910 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-09-20 13:07:09,910 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-09-20 13:07:09,910 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2019-09-20 13:07:09,910 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2019-09-20 13:07:09,910 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-09-20 13:07:09,910 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-09-20 13:07:09,911 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2019-09-20 13:07:09,911 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2019-09-20 13:07:09,911 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,911 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,911 INFO L439 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,912 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,912 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2019-09-20 13:07:09,912 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 666 688) no Hoare annotation was computed. [2019-09-20 13:07:09,912 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:09,912 INFO L439 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:09,912 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 623 646) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-09-20 13:07:09,913 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 623 646) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 623 646) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-09-20 13:07:09,914 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2019-09-20 13:07:09,915 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 755 762) no Hoare annotation was computed. [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 755 762) no Hoare annotation was computed. [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 755 762) no Hoare annotation was computed. [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2019-09-20 13:07:09,916 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2019-09-20 13:07:09,916 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 835) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point L827-2(lines 827 835) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 808 843) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point L815-2(lines 815 823) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 808 843) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-09-20 13:07:09,917 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 808 843) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 424) no Hoare annotation was computed. [2019-09-20 13:07:09,918 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 431) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2019-09-20 13:07:09,919 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2019-09-20 13:07:09,920 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,920 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2019-09-20 13:07:09,920 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2019-09-20 13:07:09,920 INFO L446 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2019-09-20 13:07:09,920 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-09-20 13:07:09,920 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 788 798) no Hoare annotation was computed. [2019-09-20 13:07:09,920 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2019-09-20 13:07:09,921 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:07:09,921 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:07:09,921 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,921 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-09-20 13:07:09,921 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-09-20 13:07:09,921 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2019-09-20 13:07:09,921 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,922 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,922 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2019-09-20 13:07:09,922 INFO L439 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,922 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,922 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2019-09-20 13:07:09,922 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-09-20 13:07:09,922 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2019-09-20 13:07:09,923 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,923 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2019-09-20 13:07:09,923 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2019-09-20 13:07:09,923 INFO L439 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,923 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-09-20 13:07:09,923 INFO L439 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,923 INFO L443 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2019-09-20 13:07:09,924 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 896) no Hoare annotation was computed. [2019-09-20 13:07:09,924 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,924 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2019-09-20 13:07:09,924 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2019-09-20 13:07:09,924 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,924 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2019-09-20 13:07:09,924 INFO L439 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 378) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 385) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2019-09-20 13:07:09,925 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 564) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 548 570) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 548 570) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 548 570) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:09,926 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 344) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-09-20 13:07:09,927 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-09-20 13:07:09,928 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 303) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-09-20 13:07:09,929 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 763 779) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 763 779) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 763 779) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 571 579) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2019-09-20 13:07:09,930 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,931 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,931 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,931 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2019-09-20 13:07:09,931 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2019-09-20 13:07:09,931 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2019-09-20 13:07:09,931 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2019-09-20 13:07:09,931 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 539 547) no Hoare annotation was computed. [2019-09-20 13:07:09,932 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2019-09-20 13:07:09,932 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,932 INFO L443 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2019-09-20 13:07:09,932 INFO L443 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2019-09-20 13:07:09,932 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,932 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2019-09-20 13:07:09,932 INFO L439 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,933 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2019-09-20 13:07:09,933 INFO L439 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-20 13:07:09,933 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2019-09-20 13:07:09,933 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-09-20 13:07:09,933 INFO L446 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2019-09-20 13:07:09,933 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2019-09-20 13:07:09,933 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-09-20 13:07:09,933 INFO L446 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2019-09-20 13:07:09,934 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-09-20 13:07:09,934 INFO L443 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2019-09-20 13:07:09,934 INFO L446 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2019-09-20 13:07:09,934 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-09-20 13:07:09,934 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2019-09-20 13:07:09,934 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 503 514) no Hoare annotation was computed. [2019-09-20 13:07:09,934 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2019-09-20 13:07:09,935 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2019-09-20 13:07:09,935 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2019-09-20 13:07:09,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,935 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-09-20 13:07:09,935 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:09,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:09,935 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2019-09-20 13:07:09,936 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2019-09-20 13:07:09,936 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2019-09-20 13:07:09,936 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2019-09-20 13:07:09,936 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2019-09-20 13:07:09,936 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2019-09-20 13:07:09,936 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-09-20 13:07:09,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:09 BoogieIcfgContainer [2019-09-20 13:07:09,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:09,955 INFO L168 Benchmark]: Toolchain (without parser) took 4473.88 ms. Allocated memory was 130.5 MB in the beginning and 266.9 MB in the end (delta: 136.3 MB). Free memory was 83.9 MB in the beginning and 107.7 MB in the end (delta: -23.8 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,956 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.5 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.31 ms. Allocated memory was 130.5 MB in the beginning and 199.8 MB in the end (delta: 69.2 MB). Free memory was 83.7 MB in the beginning and 164.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,958 INFO L168 Benchmark]: Boogie Preprocessor took 112.69 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 160.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,959 INFO L168 Benchmark]: RCFGBuilder took 1149.42 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 75.2 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,960 INFO L168 Benchmark]: TraceAbstraction took 2499.64 ms. Allocated memory was 199.8 MB in the beginning and 266.9 MB in the end (delta: 67.1 MB). Free memory was 74.5 MB in the beginning and 107.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:09,964 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 130.5 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.31 ms. Allocated memory was 130.5 MB in the beginning and 199.8 MB in the end (delta: 69.2 MB). Free memory was 83.7 MB in the beginning and 164.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.69 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 160.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.42 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 75.2 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2499.64 ms. Allocated memory was 199.8 MB in the beginning and 266.9 MB in the end (delta: 67.1 MB). Free memory was 74.5 MB in the beginning and 107.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 451 SDtfs, 212 SDslu, 485 SDs, 0 SdLazy, 289 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 183 PreInvPairs, 191 NumberOfFragments, 330 HoareAnnotationTreeSize, 183 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 27694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...