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_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:35:39,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:35:39,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:35:39,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:35:39,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:35:39,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:35:39,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:35:39,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:35:39,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:35:39,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:35:39,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:35:39,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:35:39,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:35:39,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:35:39,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:35:39,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:35:39,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:35:39,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:35:39,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:35:39,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:35:39,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:35:39,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:35:39,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:35:39,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:35:39,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:35:39,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:35:39,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:35:39,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:35:39,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:35:39,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:35:39,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:35:39,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:35:39,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:35:39,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:35:39,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:35:39,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:35:39,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:35:39,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:35:39,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:35:39,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:35:39,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:35:39,467 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 [2019-09-16 16:35:39,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:35:39,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:35:39,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:35:39,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:35:39,495 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:35:39,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:35:39,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:35:39,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:35:39,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:35:39,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:35:39,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:35:39,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:35:39,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:35:39,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:35:39,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:35:39,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:35:39,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:35:39,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:35:39,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:35:39,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:35:39,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:35:39,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:35:39,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:35:39,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:35:39,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:35:39,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:35:39,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:35:39,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:35:39,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:35:39,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:35:39,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:35:39,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:35:39,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:35:39,552 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:35:39,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-09-16 16:35:39,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755679793/828c403fbc3b4e2dad339f8b04f3549b/FLAG48239702f [2019-09-16 16:35:40,138 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:35:40,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-09-16 16:35:40,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755679793/828c403fbc3b4e2dad339f8b04f3549b/FLAG48239702f [2019-09-16 16:35:40,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755679793/828c403fbc3b4e2dad339f8b04f3549b [2019-09-16 16:35:40,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:35:40,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:35:40,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:40,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:35:40,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:35:40,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:40" (1/1) ... [2019-09-16 16:35:40,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:40, skipping insertion in model container [2019-09-16 16:35:40,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:40" (1/1) ... [2019-09-16 16:35:40,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:35:40,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:35:41,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:41,081 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:35:41,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:41,229 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:35:41,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41 WrapperNode [2019-09-16 16:35:41,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:41,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:35:41,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:35:41,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:35:41,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (1/1) ... [2019-09-16 16:35:41,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:35:41,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:35:41,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:35:41,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:35:41,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (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 [2019-09-16 16:35:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:35:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:35:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:35:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:35:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:35:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:35:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:35:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:35:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:35:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:35:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:35:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:35:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:35:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:35:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:35:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:35:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:35:41,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:35:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:35:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:35:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:35:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:35:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:35:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:35:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:35:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:35:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:35:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:35:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:35:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:35:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:35:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:35:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:35:42,678 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:35:42,679 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:35:42,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:42 BoogieIcfgContainer [2019-09-16 16:35:42,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:35:42,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:35:42,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:35:42,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:35:42,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:35:40" (1/3) ... [2019-09-16 16:35:42,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e391c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:42, skipping insertion in model container [2019-09-16 16:35:42,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:41" (2/3) ... [2019-09-16 16:35:42,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e391c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:42, skipping insertion in model container [2019-09-16 16:35:42,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:42" (3/3) ... [2019-09-16 16:35:42,692 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-09-16 16:35:42,702 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:35:42,714 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:35:42,731 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:35:42,765 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:35:42,765 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:35:42,766 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:35:42,766 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:35:42,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:35:42,766 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:35:42,766 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:35:42,766 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:35:42,767 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:35:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-09-16 16:35:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:35:42,799 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:42,800 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:42,803 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:42,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:42,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2019-09-16 16:35:42,811 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:42,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:42,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:42,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:42,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:43,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:43,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:35:43,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:35:43,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:35:43,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:35:43,195 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2019-09-16 16:35:43,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:43,241 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2019-09-16 16:35:43,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:35:43,242 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-16 16:35:43,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:43,256 INFO L225 Difference]: With dead ends: 306 [2019-09-16 16:35:43,256 INFO L226 Difference]: Without dead ends: 155 [2019-09-16 16:35:43,261 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 [2019-09-16 16:35:43,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-09-16 16:35:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-09-16 16:35:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-09-16 16:35:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2019-09-16 16:35:43,316 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2019-09-16 16:35:43,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:43,316 INFO L475 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2019-09-16 16:35:43,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:35:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2019-09-16 16:35:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:35:43,321 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:43,321 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:43,321 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:43,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:43,322 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2019-09-16 16:35:43,322 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:43,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:43,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:43,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:43,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:43,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:43,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:43,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:43,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:43,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:43,461 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2019-09-16 16:35:43,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:43,515 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-09-16 16:35:43,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:43,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 16:35:43,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:43,521 INFO L225 Difference]: With dead ends: 255 [2019-09-16 16:35:43,521 INFO L226 Difference]: Without dead ends: 146 [2019-09-16 16:35:43,523 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 [2019-09-16 16:35:43,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-16 16:35:43,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-16 16:35:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-16 16:35:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2019-09-16 16:35:43,544 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2019-09-16 16:35:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:43,544 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2019-09-16 16:35:43,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2019-09-16 16:35:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-16 16:35:43,548 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:43,548 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:43,549 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:43,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:43,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1504957008, now seen corresponding path program 1 times [2019-09-16 16:35:43,549 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:43,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:43,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:43,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:43,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:43,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:43,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:43,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:43,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:43,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:43,731 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2019-09-16 16:35:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:44,150 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2019-09-16 16:35:44,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:44,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-16 16:35:44,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:44,156 INFO L225 Difference]: With dead ends: 264 [2019-09-16 16:35:44,157 INFO L226 Difference]: Without dead ends: 146 [2019-09-16 16:35:44,160 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 [2019-09-16 16:35:44,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-16 16:35:44,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-16 16:35:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-16 16:35:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-09-16 16:35:44,197 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2019-09-16 16:35:44,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:44,198 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-09-16 16:35:44,198 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-09-16 16:35:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-16 16:35:44,207 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:44,207 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:44,207 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2019-09-16 16:35:44,208 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:44,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:44,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:44,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:44,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:44,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:44,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:35:44,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:35:44,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:35:44,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:35:44,368 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2019-09-16 16:35:44,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:44,986 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2019-09-16 16:35:44,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:35:44,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2019-09-16 16:35:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:44,992 INFO L225 Difference]: With dead ends: 375 [2019-09-16 16:35:44,992 INFO L226 Difference]: Without dead ends: 257 [2019-09-16 16:35:44,995 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-09-16 16:35:45,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2019-09-16 16:35:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-09-16 16:35:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2019-09-16 16:35:45,051 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2019-09-16 16:35:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:45,052 INFO L475 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2019-09-16 16:35:45,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:35:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2019-09-16 16:35:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-16 16:35:45,059 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:45,059 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:45,060 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:45,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2094752105, now seen corresponding path program 1 times [2019-09-16 16:35:45,060 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:45,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:45,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:45,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:45,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:45,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:45,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:45,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:45,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:45,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:45,218 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2019-09-16 16:35:45,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:45,437 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2019-09-16 16:35:45,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:45,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-16 16:35:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:45,461 INFO L225 Difference]: With dead ends: 643 [2019-09-16 16:35:45,462 INFO L226 Difference]: Without dead ends: 432 [2019-09-16 16:35:45,463 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:45,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-09-16 16:35:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2019-09-16 16:35:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-09-16 16:35:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-09-16 16:35:45,503 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2019-09-16 16:35:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:45,503 INFO L475 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-09-16 16:35:45,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-09-16 16:35:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:35:45,506 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:45,506 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:45,506 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:45,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1169136517, now seen corresponding path program 1 times [2019-09-16 16:35:45,507 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:45,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:45,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:45,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:45,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:45,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:45,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:45,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:45,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:45,658 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2019-09-16 16:35:46,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:46,342 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2019-09-16 16:35:46,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:35:46,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-09-16 16:35:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:46,346 INFO L225 Difference]: With dead ends: 853 [2019-09-16 16:35:46,346 INFO L226 Difference]: Without dead ends: 455 [2019-09-16 16:35:46,348 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:35:46,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-09-16 16:35:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2019-09-16 16:35:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-09-16 16:35:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2019-09-16 16:35:46,378 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2019-09-16 16:35:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:46,379 INFO L475 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2019-09-16 16:35:46,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2019-09-16 16:35:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-16 16:35:46,381 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:46,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:46,382 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:46,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:46,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1253770304, now seen corresponding path program 1 times [2019-09-16 16:35:46,382 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:46,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:46,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:46,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:46,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:46,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:46,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:46,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:46,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:46,511 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2019-09-16 16:35:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:46,559 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2019-09-16 16:35:46,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:46,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-09-16 16:35:46,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:46,562 INFO L225 Difference]: With dead ends: 836 [2019-09-16 16:35:46,562 INFO L226 Difference]: Without dead ends: 439 [2019-09-16 16:35:46,564 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:46,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-09-16 16:35:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2019-09-16 16:35:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-09-16 16:35:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2019-09-16 16:35:46,588 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2019-09-16 16:35:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:46,588 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2019-09-16 16:35:46,589 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2019-09-16 16:35:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-16 16:35:46,591 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:46,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:46,591 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:46,592 INFO L82 PathProgramCache]: Analyzing trace with hash 685391742, now seen corresponding path program 1 times [2019-09-16 16:35:46,592 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:46,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:46,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:46,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:46,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:46,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:35:46,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:46,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:46,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:46,681 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2019-09-16 16:35:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:46,736 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2019-09-16 16:35:46,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:46,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-09-16 16:35:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:46,745 INFO L225 Difference]: With dead ends: 856 [2019-09-16 16:35:46,747 INFO L226 Difference]: Without dead ends: 449 [2019-09-16 16:35:46,749 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-09-16 16:35:46,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2019-09-16 16:35:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-09-16 16:35:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2019-09-16 16:35:46,772 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2019-09-16 16:35:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:46,773 INFO L475 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2019-09-16 16:35:46,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2019-09-16 16:35:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-16 16:35:46,775 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:46,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:46,775 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:46,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1454561757, now seen corresponding path program 1 times [2019-09-16 16:35:46,776 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:46,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:46,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:46,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:46,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:46,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:35:46,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:35:46,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:35:46,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:46,873 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2019-09-16 16:35:47,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:47,114 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2019-09-16 16:35:47,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:35:47,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-09-16 16:35:47,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:47,120 INFO L225 Difference]: With dead ends: 1306 [2019-09-16 16:35:47,120 INFO L226 Difference]: Without dead ends: 891 [2019-09-16 16:35:47,122 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:47,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-09-16 16:35:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2019-09-16 16:35:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2019-09-16 16:35:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2019-09-16 16:35:47,175 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2019-09-16 16:35:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:47,175 INFO L475 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2019-09-16 16:35:47,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:35:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2019-09-16 16:35:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-16 16:35:47,178 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:47,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:47,178 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1438503063, now seen corresponding path program 1 times [2019-09-16 16:35:47,179 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:47,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:47,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:47,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:47,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:35:47,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:47,334 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:35:47,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:47,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:35:47,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:47,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:47,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:35:47,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:35:47,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:35:47,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:35:47,807 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2019-09-16 16:35:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:49,222 INFO L93 Difference]: Finished difference Result 1691 states and 2002 transitions. [2019-09-16 16:35:49,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:35:49,223 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2019-09-16 16:35:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:49,228 INFO L225 Difference]: With dead ends: 1691 [2019-09-16 16:35:49,228 INFO L226 Difference]: Without dead ends: 843 [2019-09-16 16:35:49,231 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:35:49,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2019-09-16 16:35:49,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2019-09-16 16:35:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2019-09-16 16:35:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 971 transitions. [2019-09-16 16:35:49,283 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 971 transitions. Word has length 112 [2019-09-16 16:35:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:49,283 INFO L475 AbstractCegarLoop]: Abstraction has 843 states and 971 transitions. [2019-09-16 16:35:49,283 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:35:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 971 transitions. [2019-09-16 16:35:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-16 16:35:49,287 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:49,288 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:49,288 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:49,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:49,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2045020006, now seen corresponding path program 1 times [2019-09-16 16:35:49,289 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:49,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:49,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-16 16:35:49,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:49,463 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:35:49,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:49,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:35:49,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-16 16:35:49,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:49,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:35:49,881 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:35:49,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:35:49,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:35:49,882 INFO L87 Difference]: Start difference. First operand 843 states and 971 transitions. Second operand 19 states. [2019-09-16 16:35:51,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:51,217 INFO L93 Difference]: Finished difference Result 1403 states and 1644 transitions. [2019-09-16 16:35:51,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:35:51,217 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2019-09-16 16:35:51,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:51,218 INFO L225 Difference]: With dead ends: 1403 [2019-09-16 16:35:51,218 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:35:51,222 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:35:51,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:35:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:35:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:35:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:35:51,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2019-09-16 16:35:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:51,224 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:35:51,224 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:35:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:35:51,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:35:51,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:35:51,752 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2019-09-16 16:35:51,945 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2019-09-16 16:35:52,580 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-09-16 16:35:52,918 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2019-09-16 16:35:53,817 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2019-09-16 16:35:54,446 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2019-09-16 16:35:55,190 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2019-09-16 16:35:55,191 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-09-16 16:35:55,192 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2019-09-16 16:35:55,192 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2019-09-16 16:35:55,192 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2019-09-16 16:35:55,192 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2019-09-16 16:35:55,192 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2019-09-16 16:35:55,193 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,193 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2019-09-16 16:35:55,193 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,193 INFO L439 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,193 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-09-16 16:35:55,193 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2019-09-16 16:35:55,194 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2019-09-16 16:35:55,194 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-09-16 16:35:55,194 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,194 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,194 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,194 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-16 16:35:55,195 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-09-16 16:35:55,196 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-16 16:35:55,197 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2019-09-16 16:35:55,197 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2019-09-16 16:35:55,197 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,197 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,197 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2019-09-16 16:35:55,197 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,198 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-09-16 16:35:55,198 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,198 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-09-16 16:35:55,198 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-09-16 16:35:55,198 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2019-09-16 16:35:55,198 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2019-09-16 16:35:55,198 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2019-09-16 16:35:55,198 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L446 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 964) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2019-09-16 16:35:55,199 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2019-09-16 16:35:55,200 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2019-09-16 16:35:55,200 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 540) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2019-09-16 16:35:55,201 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2019-09-16 16:35:55,202 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,202 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2019-09-16 16:35:55,202 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,202 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2019-09-16 16:35:55,202 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2019-09-16 16:35:55,202 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2019-09-16 16:35:55,202 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-09-16 16:35:55,202 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2019-09-16 16:35:55,203 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2019-09-16 16:35:55,203 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2019-09-16 16:35:55,204 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-09-16 16:35:55,204 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-09-16 16:35:55,204 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-09-16 16:35:55,204 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2019-09-16 16:35:55,204 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-16 16:35:55,204 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse0 .cse2))) [2019-09-16 16:35:55,205 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2019-09-16 16:35:55,205 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-16 16:35:55,205 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:55,205 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-09-16 16:35:55,205 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2019-09-16 16:35:55,205 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2019-09-16 16:35:55,205 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-09-16 16:35:55,205 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,206 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2019-09-16 16:35:55,206 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:55,206 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-09-16 16:35:55,206 INFO L439 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and .cse0 (= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:55,206 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-09-16 16:35:55,206 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2019-09-16 16:35:55,207 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)))) [2019-09-16 16:35:55,207 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-09-16 16:35:55,207 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-09-16 16:35:55,207 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0)) (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:55,207 INFO L439 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)))) [2019-09-16 16:35:55,207 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-09-16 16:35:55,207 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-09-16 16:35:55,207 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2019-09-16 16:35:55,208 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-16 16:35:55,208 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-09-16 16:35:55,209 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-16 16:35:55,209 INFO L443 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2019-09-16 16:35:55,210 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-09-16 16:35:55,210 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2019-09-16 16:35:55,210 INFO L446 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2019-09-16 16:35:55,210 INFO L443 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2019-09-16 16:35:55,210 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2019-09-16 16:35:55,210 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2019-09-16 16:35:55,210 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:55,211 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2019-09-16 16:35:55,211 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-16 16:35:55,212 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2019-09-16 16:35:55,213 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2019-09-16 16:35:55,214 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2019-09-16 16:35:55,214 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2019-09-16 16:35:55,214 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,214 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-09-16 16:35:55,214 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,214 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2019-09-16 16:35:55,214 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-09-16 16:35:55,215 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2019-09-16 16:35:55,215 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2019-09-16 16:35:55,215 INFO L439 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~9) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-09-16 16:35:55,215 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2019-09-16 16:35:55,215 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-09-16 16:35:55,215 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2019-09-16 16:35:55,215 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L446 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2019-09-16 16:35:55,216 INFO L443 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= 1 ~methaneLevelCritical~0) .cse0))) [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,217 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2019-09-16 16:35:55,217 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2019-09-16 16:35:55,218 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2019-09-16 16:35:55,218 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse7)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not .cse4))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse3 .cse4 .cse1 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse0 .cse7 .cse3 .cse8 .cse1) (or .cse7 .cse3 .cse1 .cse6 .cse8)))) [2019-09-16 16:35:55,218 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0))) (let ((.cse8 (= |old(~waterLevel~0)| 1)) (.cse9 (not .cse2))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse7 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) .cse9)) (.cse4 (not .cse8)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (or .cse0 .cse3 .cse5) (or .cse8 .cse1 .cse3 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse8 .cse1 .cse9 .cse3))))) [2019-09-16 16:35:55,218 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse6)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not .cse4)) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse7 .cse1) (or .cse3 .cse4 .cse1 .cse5 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse7 .cse1 .cse8)))) [2019-09-16 16:35:55,219 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (and .cse1 .cse2)) (or .cse1 .cse0 .cse3) (or .cse2 .cse0 .cse3))) [2019-09-16 16:35:55,219 INFO L443 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2019-09-16 16:35:55,219 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2019-09-16 16:35:55,219 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2019-09-16 16:35:55,219 INFO L446 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2019-09-16 16:35:55,219 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2019-09-16 16:35:55,219 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-09-16 16:35:55,219 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2019-09-16 16:35:55,220 INFO L446 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2019-09-16 16:35:55,220 INFO L446 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2019-09-16 16:35:55,220 INFO L443 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2019-09-16 16:35:55,220 INFO L446 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2019-09-16 16:35:55,220 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-09-16 16:35:55,220 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-09-16 16:35:55,220 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2019-09-16 16:35:55,220 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: true [2019-09-16 16:35:55,220 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2019-09-16 16:35:55,221 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2019-09-16 16:35:55,221 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2019-09-16 16:35:55,221 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,221 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:35:55,221 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:35:55,221 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:55,221 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,221 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2019-09-16 16:35:55,222 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:35:55,222 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2019-09-16 16:35:55,222 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0) (or .cse3 .cse0 .cse1))) [2019-09-16 16:35:55,222 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))))) [2019-09-16 16:35:55,222 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-09-16 16:35:55,222 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-09-16 16:35:55,223 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2019-09-16 16:35:55,224 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2019-09-16 16:35:55,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:35:55 BoogieIcfgContainer [2019-09-16 16:35:55,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:35:55,244 INFO L168 Benchmark]: Toolchain (without parser) took 14772.41 ms. Allocated memory was 132.6 MB in the beginning and 438.8 MB in the end (delta: 306.2 MB). Free memory was 86.9 MB in the beginning and 209.0 MB in the end (delta: -122.1 MB). Peak memory consumption was 319.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,246 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.49 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 162.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,252 INFO L168 Benchmark]: Boogie Preprocessor took 126.05 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,253 INFO L168 Benchmark]: RCFGBuilder took 1325.00 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.3 MB in the beginning and 186.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,253 INFO L168 Benchmark]: TraceAbstraction took 12555.66 ms. Allocated memory was 222.8 MB in the beginning and 438.8 MB in the end (delta: 216.0 MB). Free memory was 184.9 MB in the beginning and 209.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 327.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:55,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.49 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 162.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.05 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.00 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.3 MB in the beginning and 186.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12555.66 ms. Allocated memory was 222.8 MB in the beginning and 438.8 MB in the end (delta: 216.0 MB). Free memory was 184.9 MB in the beginning and 209.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 327.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2245 SDtfs, 1656 SDslu, 8285 SDs, 0 SdLazy, 3518 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2004 PreInvPairs, 2092 NumberOfFragments, 1685 HoareAnnotationTreeSize, 2004 FomulaSimplifications, 1847 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7017 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 236209 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1781 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 115/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...