/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:19:48,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:19:48,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:19:48,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:19:48,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:19:48,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:19:48,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:19:48,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:19:48,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:19:48,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:19:48,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:19:48,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:19:48,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:19:48,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:19:48,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:19:48,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:19:48,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:19:48,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:19:48,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:19:48,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:19:48,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:19:48,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:19:48,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:19:48,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:19:48,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:19:48,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:19:48,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:19:48,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:19:48,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:19:48,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:19:48,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:19:48,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:19:48,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:19:48,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:19:48,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:19:48,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:19:48,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:19:48,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:19:48,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:19:48,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:19:48,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:19:48,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 15:19:48,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:19:48,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:19:48,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:19:48,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:19:48,548 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:19:48,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:19:48,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:19:48,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:19:48,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:19:48,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:19:48,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:19:48,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:19:48,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:19:48,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:19:48,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:19:48,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:19:48,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:19:48,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:19:48,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:19:48,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:19:48,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:19:48,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:19:48,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:19:48,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:19:48,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 15:19:48,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:19:48,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:19:48,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:19:48,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:19:48,866 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:19:48,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-08-18 15:19:48,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/686489d0c/57d78772b07244328a2a4ab59da3ccb8/FLAG34cbe912f [2020-08-18 15:19:49,454 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:19:49,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-08-18 15:19:49,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/686489d0c/57d78772b07244328a2a4ab59da3ccb8/FLAG34cbe912f [2020-08-18 15:19:49,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/686489d0c/57d78772b07244328a2a4ab59da3ccb8 [2020-08-18 15:19:49,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:19:49,734 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:19:49,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:19:49,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:19:49,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:19:49,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:19:49" (1/1) ... [2020-08-18 15:19:49,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fe9fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:49, skipping insertion in model container [2020-08-18 15:19:49,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:19:49" (1/1) ... [2020-08-18 15:19:49,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:19:49,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:19:50,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:19:50,215 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:19:50,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:19:50,343 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:19:50,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50 WrapperNode [2020-08-18 15:19:50,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:19:50,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:19:50,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:19:50,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:19:50,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... [2020-08-18 15:19:50,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:19:50,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:19:50,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:19:50,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:19:50,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 15:19:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:19:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:19:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:19:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:19:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:19:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:19:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:19:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:19:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:19:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:19:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:19:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 15:19:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:19:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:19:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:19:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:19:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:19:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:19:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 15:19:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:19:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 15:19:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:19:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:19:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:19:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:19:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:19:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:19:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:19:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:19:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:19:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:19:51,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:19:51,736 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:19:51,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:19:51 BoogieIcfgContainer [2020-08-18 15:19:51,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:19:51,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:19:51,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:19:51,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:19:51,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:19:49" (1/3) ... [2020-08-18 15:19:51,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501949c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:19:51, skipping insertion in model container [2020-08-18 15:19:51,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:19:50" (2/3) ... [2020-08-18 15:19:51,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501949c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:19:51, skipping insertion in model container [2020-08-18 15:19:51,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:19:51" (3/3) ... [2020-08-18 15:19:51,757 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2020-08-18 15:19:51,768 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:19:51,779 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:19:51,790 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:19:51,812 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:19:51,812 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:19:51,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:19:51,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:19:51,813 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:19:51,813 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:19:51,813 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:19:51,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:19:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-08-18 15:19:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 15:19:51,847 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:19:51,848 INFO L422 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] [2020-08-18 15:19:51,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:19:51,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:19:51,855 INFO L82 PathProgramCache]: Analyzing trace with hash 143568661, now seen corresponding path program 1 times [2020-08-18 15:19:51,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:19:51,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866427388] [2020-08-18 15:19:51,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:19:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,572 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:19:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:19:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:19:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:19:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:19:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:19:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 15:19:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:19:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:19:52,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866427388] [2020-08-18 15:19:52,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:19:52,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 15:19:52,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759904712] [2020-08-18 15:19:52,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 15:19:52,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:19:52,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 15:19:52,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:19:52,682 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2020-08-18 15:19:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:19:53,783 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2020-08-18 15:19:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 15:19:53,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 15:19:53,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:19:53,800 INFO L225 Difference]: With dead ends: 257 [2020-08-18 15:19:53,800 INFO L226 Difference]: Without dead ends: 140 [2020-08-18 15:19:53,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:19:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-18 15:19:53,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2020-08-18 15:19:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-18 15:19:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-08-18 15:19:53,968 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-08-18 15:19:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:19:53,969 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-08-18 15:19:53,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 15:19:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-08-18 15:19:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 15:19:53,975 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:19:53,975 INFO L422 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] [2020-08-18 15:19:53,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:19:53,976 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:19:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:19:53,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1665995157, now seen corresponding path program 1 times [2020-08-18 15:19:53,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:19:53,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666505351] [2020-08-18 15:19:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:19:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,370 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:19:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:19:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:19:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:19:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:19:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:19:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:19:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:19:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:19:54,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666505351] [2020-08-18 15:19:54,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:19:54,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:19:54,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896835261] [2020-08-18 15:19:54,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:19:54,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:19:54,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:19:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:19:54,422 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2020-08-18 15:19:54,869 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:19:55,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:19:55,561 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2020-08-18 15:19:55,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:19:55,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 15:19:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:19:55,566 INFO L225 Difference]: With dead ends: 184 [2020-08-18 15:19:55,567 INFO L226 Difference]: Without dead ends: 124 [2020-08-18 15:19:55,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:19:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-08-18 15:19:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2020-08-18 15:19:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 15:19:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-18 15:19:55,617 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-08-18 15:19:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:19:55,617 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-18 15:19:55,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:19:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-18 15:19:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 15:19:55,630 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:19:55,630 INFO L422 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] [2020-08-18 15:19:55,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:19:55,631 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:19:55,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:19:55,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1977159256, now seen corresponding path program 1 times [2020-08-18 15:19:55,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:19:55,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164224398] [2020-08-18 15:19:55,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:19:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,031 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:19:56,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:19:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:19:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:19:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:19:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:19:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:19:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:19:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:19:56,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164224398] [2020-08-18 15:19:56,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:19:56,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:19:56,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963035353] [2020-08-18 15:19:56,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:19:56,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:19:56,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:19:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:19:56,147 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2020-08-18 15:19:56,518 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:19:56,833 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:19:57,120 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:19:57,369 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:19:58,127 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:19:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:19:59,500 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2020-08-18 15:19:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:19:59,502 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 15:19:59,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:19:59,508 INFO L225 Difference]: With dead ends: 345 [2020-08-18 15:19:59,508 INFO L226 Difference]: Without dead ends: 270 [2020-08-18 15:19:59,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 15:19:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-08-18 15:19:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2020-08-18 15:19:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-08-18 15:19:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2020-08-18 15:19:59,629 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2020-08-18 15:19:59,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:19:59,629 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2020-08-18 15:19:59,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:19:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2020-08-18 15:19:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 15:19:59,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:19:59,631 INFO L422 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] [2020-08-18 15:19:59,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:19:59,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:19:59,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:19:59,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1061912152, now seen corresponding path program 1 times [2020-08-18 15:19:59,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:19:59,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785206307] [2020-08-18 15:19:59,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:19:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:59,939 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:19:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:19:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:19:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:20:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:20:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:20:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:20:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:20:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:20:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 15:20:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:20:00,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785206307] [2020-08-18 15:20:00,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:20:00,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 15:20:00,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488516978] [2020-08-18 15:20:00,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 15:20:00,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:20:00,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 15:20:00,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 15:20:00,094 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 12 states. [2020-08-18 15:20:00,508 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:20:00,796 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:20:01,040 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:20:01,277 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:20:01,838 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:20:02,738 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:20:03,125 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:20:03,428 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:20:03,673 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 15:20:03,928 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:20:04,273 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:20:04,594 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:20:04,880 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:20:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:20:05,984 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2020-08-18 15:20:05,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 15:20:05,988 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-18 15:20:05,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:20:05,996 INFO L225 Difference]: With dead ends: 855 [2020-08-18 15:20:05,997 INFO L226 Difference]: Without dead ends: 663 [2020-08-18 15:20:05,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 15:20:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-08-18 15:20:06,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2020-08-18 15:20:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-08-18 15:20:06,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2020-08-18 15:20:06,126 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2020-08-18 15:20:06,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:20:06,126 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2020-08-18 15:20:06,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 15:20:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2020-08-18 15:20:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 15:20:06,129 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:20:06,130 INFO L422 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] [2020-08-18 15:20:06,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:20:06,130 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:20:06,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:20:06,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1238507602, now seen corresponding path program 1 times [2020-08-18 15:20:06,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:20:06,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931393921] [2020-08-18 15:20:06,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:20:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,400 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:20:06,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:20:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:20:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:20:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:20:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:20:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:20:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 15:20:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:20:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 15:20:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:20:06,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931393921] [2020-08-18 15:20:06,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:20:06,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 15:20:06,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022349774] [2020-08-18 15:20:06,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 15:20:06,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:20:06,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 15:20:06,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 15:20:06,468 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand 6 states. [2020-08-18 15:20:06,761 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:20:07,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:20:07,615 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2020-08-18 15:20:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 15:20:07,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-18 15:20:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:20:07,621 INFO L225 Difference]: With dead ends: 961 [2020-08-18 15:20:07,621 INFO L226 Difference]: Without dead ends: 415 [2020-08-18 15:20:07,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-18 15:20:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-18 15:20:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-08-18 15:20:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-08-18 15:20:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-08-18 15:20:07,705 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-08-18 15:20:07,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:20:07,708 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-08-18 15:20:07,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 15:20:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-08-18 15:20:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 15:20:07,710 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:20:07,711 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 15:20:07,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:20:07,711 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:20:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:20:07,712 INFO L82 PathProgramCache]: Analyzing trace with hash 5395237, now seen corresponding path program 1 times [2020-08-18 15:20:07,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:20:07,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774437888] [2020-08-18 15:20:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:20:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:07,985 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:20:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:20:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:20:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:20:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:20:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:20:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 15:20:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:20:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 15:20:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 15:20:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 15:20:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 15:20:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 15:20:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-18 15:20:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:20:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 15:20:08,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774437888] [2020-08-18 15:20:08,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:20:08,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 15:20:08,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480217567] [2020-08-18 15:20:08,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 15:20:08,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:20:08,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 15:20:08,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-18 15:20:08,153 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 10 states. [2020-08-18 15:20:08,727 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 15:20:09,286 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:20:10,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:20:10,138 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-08-18 15:20:10,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:20:10,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-08-18 15:20:10,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:20:10,140 INFO L225 Difference]: With dead ends: 522 [2020-08-18 15:20:10,140 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:20:10,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-18 15:20:10,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:20:10,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:20:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:20:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:20:10,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-18 15:20:10,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:20:10,144 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:20:10,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 15:20:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:20:10,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:20:10,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 15:20:10,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:20:10,487 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 156 [2020-08-18 15:20:13,605 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 15:20:13,937 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:14,531 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-18 15:20:14,851 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 15:20:15,217 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:15,465 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:20:16,170 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-18 15:20:16,355 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 15:20:17,041 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 15:20:17,473 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:18,038 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-18 15:20:18,406 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:18,602 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 15:20:19,121 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-18 15:20:19,505 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:19,668 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 15:20:20,267 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 15:20:20,584 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 15:20:20,922 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 15:20:21,268 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 15:20:21,918 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-18 15:20:21,922 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-08-18 15:20:21,922 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-08-18 15:20:21,923 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 15:20:21,923 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-08-18 15:20:21,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-08-18 15:20:21,923 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-08-18 15:20:21,924 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 15:20:21,925 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-08-18 15:20:21,926 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 15:20:21,926 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 15:20:21,926 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:20:21,926 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 15:20:21,926 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:20:21,926 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2020-08-18 15:20:21,926 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 15:20:21,927 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-08-18 15:20:21,927 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 15:20:21,927 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-08-18 15:20:21,927 INFO L268 CegarLoopResult]: For program point L883(lines 883 896) no Hoare annotation was computed. [2020-08-18 15:20:21,927 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2020-08-18 15:20:21,927 INFO L268 CegarLoopResult]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2020-08-18 15:20:21,927 INFO L271 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: true [2020-08-18 15:20:21,928 INFO L268 CegarLoopResult]: For program point L881-1(line 881) no Hoare annotation was computed. [2020-08-18 15:20:21,928 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,928 INFO L264 CegarLoopResult]: At program point L863-1(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,928 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,928 INFO L268 CegarLoopResult]: For program point L861(lines 861 868) no Hoare annotation was computed. [2020-08-18 15:20:21,929 INFO L268 CegarLoopResult]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2020-08-18 15:20:21,929 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-18 15:20:21,929 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,929 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L264 CegarLoopResult]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 810 833) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 810 833) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 810 833) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-08-18 15:20:21,930 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-18 15:20:21,931 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2020-08-18 15:20:21,932 INFO L268 CegarLoopResult]: For program point L320(lines 320 326) no Hoare annotation was computed. [2020-08-18 15:20:21,933 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 15:20:21,933 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2020-08-18 15:20:21,933 INFO L264 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 15:20:21,933 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 227 234) no Hoare annotation was computed. [2020-08-18 15:20:21,933 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 227 234) no Hoare annotation was computed. [2020-08-18 15:20:21,933 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 227 234) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point L287(lines 287 295) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-08-18 15:20:21,934 INFO L268 CegarLoopResult]: For program point L310-1(line 310) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 280 315) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 15:20:21,935 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 15:20:21,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-08-18 15:20:21,936 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,937 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2020-08-18 15:20:21,937 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2020-08-18 15:20:21,937 INFO L271 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: true [2020-08-18 15:20:21,938 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-08-18 15:20:21,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2020-08-18 15:20:21,938 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2020-08-18 15:20:21,938 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2020-08-18 15:20:21,938 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2020-08-18 15:20:21,938 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 15:20:21,938 INFO L268 CegarLoopResult]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2020-08-18 15:20:21,939 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 15:20:21,939 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2020-08-18 15:20:21,939 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 15:20:21,939 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 15:20:21,939 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-08-18 15:20:21,939 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 15:20:21,940 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-08-18 15:20:21,940 INFO L268 CegarLoopResult]: For program point L206(lines 206 223) no Hoare annotation was computed. [2020-08-18 15:20:21,940 INFO L264 CegarLoopResult]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,940 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 15:20:21,940 INFO L268 CegarLoopResult]: For program point L122(lines 122 128) no Hoare annotation was computed. [2020-08-18 15:20:21,940 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2020-08-18 15:20:21,940 INFO L268 CegarLoopResult]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2020-08-18 15:20:21,941 INFO L264 CegarLoopResult]: At program point L147(lines 102 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 15:20:21,941 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 15:20:21,941 INFO L268 CegarLoopResult]: For program point L112(lines 112 118) no Hoare annotation was computed. [2020-08-18 15:20:21,941 INFO L268 CegarLoopResult]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2020-08-18 15:20:21,941 INFO L268 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-08-18 15:20:21,941 INFO L264 CegarLoopResult]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:20:21,942 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point L138(lines 138 144) no Hoare annotation was computed. [2020-08-18 15:20:21,942 INFO L264 CegarLoopResult]: At program point L138-1(lines 132 145) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point L103(lines 102 149) no Hoare annotation was computed. [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-08-18 15:20:21,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 746 768) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 746 768) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 746 768) no Hoare annotation was computed. [2020-08-18 15:20:21,943 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-08-18 15:20:21,944 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-08-18 15:20:21,945 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-08-18 15:20:21,946 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-08-18 15:20:21,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,946 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 15:20:21,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,946 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-18 15:20:21,946 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 235 251) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 235 251) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point L246-1(lines 235 251) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2020-08-18 15:20:21,947 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 15:20:21,948 INFO L268 CegarLoopResult]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,948 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 15:20:21,949 INFO L264 CegarLoopResult]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 15:20:21,949 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 15:20:21,949 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 15:20:21,949 INFO L268 CegarLoopResult]: For program point L174(lines 173 192) no Hoare annotation was computed. [2020-08-18 15:20:21,949 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2020-08-18 15:20:21,949 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2020-08-18 15:20:21,949 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-18 15:20:21,949 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2020-08-18 15:20:21,950 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2020-08-18 15:20:21,950 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-08-18 15:20:21,950 INFO L271 CegarLoopResult]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2020-08-18 15:20:21,950 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-08-18 15:20:21,950 INFO L271 CegarLoopResult]: At program point L790-2(lines 790 804) the Hoare annotation is: true [2020-08-18 15:20:21,950 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-08-18 15:20:21,950 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-18 15:20:21,950 INFO L271 CegarLoopResult]: At program point L805(lines 780 809) the Hoare annotation is: true [2020-08-18 15:20:21,951 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2020-08-18 15:20:21,951 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2020-08-18 15:20:21,951 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2020-08-18 15:20:21,951 INFO L268 CegarLoopResult]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2020-08-18 15:20:21,951 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2020-08-18 15:20:21,951 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2020-08-18 15:20:21,951 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2020-08-18 15:20:21,952 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2020-08-18 15:20:21,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,952 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 15:20:21,952 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:20:21,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:20:21,952 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2020-08-18 15:20:21,952 INFO L268 CegarLoopResult]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2020-08-18 15:20:21,953 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 15:20:21,953 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-18 15:20:21,956 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-18 15:20:21,956 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-18 15:20:21,956 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-18 15:20:21,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:20:21 BoogieIcfgContainer [2020-08-18 15:20:21,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:20:21,976 INFO L168 Benchmark]: Toolchain (without parser) took 32241.75 ms. Allocated memory was 141.0 MB in the beginning and 633.9 MB in the end (delta: 492.8 MB). Free memory was 102.9 MB in the beginning and 347.6 MB in the end (delta: -244.7 MB). Peak memory consumption was 505.3 MB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,976 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.11 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 174.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,978 INFO L168 Benchmark]: Boogie Preprocessor took 103.64 ms. Allocated memory is still 205.0 MB. Free memory was 174.0 MB in the beginning and 168.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,979 INFO L168 Benchmark]: RCFGBuilder took 1293.61 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.8 MB in the beginning and 197.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,979 INFO L168 Benchmark]: TraceAbstraction took 30230.09 ms. Allocated memory was 235.4 MB in the beginning and 633.9 MB in the end (delta: 398.5 MB). Free memory was 196.2 MB in the beginning and 347.6 MB in the end (delta: -151.4 MB). Peak memory consumption was 504.2 MB. Max. memory is 7.1 GB. [2020-08-18 15:20:21,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 609.11 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 174.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.64 ms. Allocated memory is still 205.0 MB. Free memory was 174.0 MB in the beginning and 168.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1293.61 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.8 MB in the beginning and 197.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30230.09 ms. Allocated memory was 235.4 MB in the beginning and 633.9 MB in the end (delta: 398.5 MB). Free memory was 196.2 MB in the beginning and 347.6 MB in the end (delta: -151.4 MB). Peak memory consumption was 504.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 101]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 562 SDtfs, 1112 SDslu, 582 SDs, 0 SdLazy, 2825 SolverSat, 720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 115 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 69140 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 19084 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 105112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 16/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...