/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 true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:13:39,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:13:39,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:13:39,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:13:39,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:13:39,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:13:39,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:13:39,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:13:39,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:13:39,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:13:39,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:13:39,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:13:39,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:13:39,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:13:39,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:13:39,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:13:39,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:13:39,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:13:39,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:13:39,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:13:39,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:13:39,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:13:39,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:13:39,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:13:39,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:13:39,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:13:39,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:13:39,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:13:39,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:13:39,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:13:39,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:13:39,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:13:39,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:13:39,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:13:39,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:13:39,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:13:39,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:13:39,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:13:39,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:13:39,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:13:39,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:13:39,672 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 [2020-08-21 21:13:39,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:13:39,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:13:39,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:13:39,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:13:39,711 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:13:39,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:13:39,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:13:39,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:13:39,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:13:39,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:13:39,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:13:39,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:13:39,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:13:39,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:13:39,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:13:39,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:13:39,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:13:39,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:13:39,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:13:39,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:13:39,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:13:39,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:13:39,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:13:39,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:13:39,716 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 -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:13:40,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:13:40,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:13:40,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:13:40,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:13:40,024 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:13:40,025 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-08-21 21:13:40,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8966a6152/66f1c3fe8c6d450a9e08561408931e87/FLAG7de934ce6 [2020-08-21 21:13:40,693 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:13:40,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-08-21 21:13:40,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8966a6152/66f1c3fe8c6d450a9e08561408931e87/FLAG7de934ce6 [2020-08-21 21:13:41,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8966a6152/66f1c3fe8c6d450a9e08561408931e87 [2020-08-21 21:13:41,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:13:41,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:13:41,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:13:41,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:13:41,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:13:41,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc2875a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41, skipping insertion in model container [2020-08-21 21:13:41,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:13:41,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:13:41,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:13:41,525 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:13:41,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:13:41,672 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:13:41,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41 WrapperNode [2020-08-21 21:13:41,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:13:41,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:13:41,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:13:41,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:13:41,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (1/1) ... [2020-08-21 21:13:41,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:13:41,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:13:41,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:13:41,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:13:41,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (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 [2020-08-21 21:13:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:13:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:13:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:13:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:13:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:13:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-21 21:13:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:13:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:13:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:13:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:13:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:13:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:13:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 21:13:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:13:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:13:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:13:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:13:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:13:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:13:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:13:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:13:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:13:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:13:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:13:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:13:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:13:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:13:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:13:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:13:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:13:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:13:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:13:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 21:13:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:13:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:13:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:13:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:13:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:13:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:13:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 21:13:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:13:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:13:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:13:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:13:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:13:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 21:13:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:13:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:13:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 21:13:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-21 21:13:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:13:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:13:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:13:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:13:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:13:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:13:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:13:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:13:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:13:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:13:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:13:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:13:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:13:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:13:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:13:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:13:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:13:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:13:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:13:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:13:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:13:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:13:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:13:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:13:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:13:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:13:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:13:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:13:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:13:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:13:43,212 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:13:43,212 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:13:43,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:13:43 BoogieIcfgContainer [2020-08-21 21:13:43,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:13:43,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:13:43,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:13:43,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:13:43,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:13:41" (1/3) ... [2020-08-21 21:13:43,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d3c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:13:43, skipping insertion in model container [2020-08-21 21:13:43,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:13:41" (2/3) ... [2020-08-21 21:13:43,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d3c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:13:43, skipping insertion in model container [2020-08-21 21:13:43,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:13:43" (3/3) ... [2020-08-21 21:13:43,231 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-08-21 21:13:43,243 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:13:43,253 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:13:43,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:13:43,299 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:13:43,299 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:13:43,299 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:13:43,299 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:13:43,299 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:13:43,300 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:13:43,300 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:13:43,300 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:13:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-08-21 21:13:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 21:13:43,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:43,334 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] [2020-08-21 21:13:43,335 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:43,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:43,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2020-08-21 21:13:43,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:43,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324229745] [2020-08-21 21:13:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:43,956 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:43,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:13:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:13:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:13:44,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324229745] [2020-08-21 21:13:44,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:13:44,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 21:13:44,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994146095] [2020-08-21 21:13:44,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 21:13:44,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:44,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 21:13:44,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:13:44,117 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2020-08-21 21:13:45,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:45,192 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2020-08-21 21:13:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 21:13:45,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 21:13:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:45,210 INFO L225 Difference]: With dead ends: 285 [2020-08-21 21:13:45,211 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 21:13:45,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:13:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 21:13:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2020-08-21 21:13:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-08-21 21:13:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2020-08-21 21:13:45,391 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2020-08-21 21:13:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:45,392 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2020-08-21 21:13:45,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 21:13:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2020-08-21 21:13:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 21:13:45,400 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:45,400 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] [2020-08-21 21:13:45,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:13:45,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:45,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2020-08-21 21:13:45,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:45,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90305367] [2020-08-21 21:13:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,745 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:13:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:13:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:13:45,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90305367] [2020-08-21 21:13:45,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:13:45,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:13:45,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012334225] [2020-08-21 21:13:45,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:13:45,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:45,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:13:45,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:13:45,827 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2020-08-21 21:13:46,212 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:13:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:46,976 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2020-08-21 21:13:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:13:46,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 21:13:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:46,979 INFO L225 Difference]: With dead ends: 218 [2020-08-21 21:13:46,979 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 21:13:46,981 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 [2020-08-21 21:13:46,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 21:13:47,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-21 21:13:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 21:13:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-08-21 21:13:47,016 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-08-21 21:13:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:47,017 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-08-21 21:13:47,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:13:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-08-21 21:13:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 21:13:47,019 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:47,019 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] [2020-08-21 21:13:47,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:13:47,020 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:47,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:47,020 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2020-08-21 21:13:47,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:47,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553324517] [2020-08-21 21:13:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,331 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:13:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:13:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:13:47,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553324517] [2020-08-21 21:13:47,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:13:47,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:13:47,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914146892] [2020-08-21 21:13:47,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:13:47,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:47,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:13:47,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:13:47,405 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2020-08-21 21:13:47,732 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:13:48,035 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:48,308 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:48,533 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:49,573 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2020-08-21 21:13:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:13:49,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 21:13:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:49,577 INFO L225 Difference]: With dead ends: 227 [2020-08-21 21:13:49,578 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 21:13:49,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:13:49,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 21:13:49,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-21 21:13:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 21:13:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-08-21 21:13:49,610 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2020-08-21 21:13:49,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:49,610 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-08-21 21:13:49,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:13:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-08-21 21:13:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:13:49,613 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:49,613 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, 1, 1, 1] [2020-08-21 21:13:49,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:13:49,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:49,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2020-08-21 21:13:49,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:49,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538995088] [2020-08-21 21:13:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,900 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 21:13:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:13:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 21:13:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:13:49,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538995088] [2020-08-21 21:13:49,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:13:49,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 21:13:49,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731156624] [2020-08-21 21:13:49,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 21:13:49,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:49,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 21:13:49,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:13:49,999 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2020-08-21 21:13:50,365 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:13:50,677 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:50,924 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:51,165 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:51,715 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:13:52,941 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:53,308 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:13:53,581 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:13:53,873 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:13:54,120 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:13:54,435 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:13:54,710 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:13:54,990 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:13:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:56,041 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2020-08-21 21:13:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 21:13:56,042 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-08-21 21:13:56,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:56,051 INFO L225 Difference]: With dead ends: 438 [2020-08-21 21:13:56,051 INFO L226 Difference]: Without dead ends: 349 [2020-08-21 21:13:56,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 21:13:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-21 21:13:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2020-08-21 21:13:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-21 21:13:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2020-08-21 21:13:56,139 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2020-08-21 21:13:56,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:56,140 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2020-08-21 21:13:56,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 21:13:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2020-08-21 21:13:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 21:13:56,143 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:56,144 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, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:13:56,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:13:56,144 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:56,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:56,144 INFO L82 PathProgramCache]: Analyzing trace with hash -2113576122, now seen corresponding path program 1 times [2020-08-21 21:13:56,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:56,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406535672] [2020-08-21 21:13:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,414 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 21:13:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:13:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 21:13:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 21:13:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:13:56,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406535672] [2020-08-21 21:13:56,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:13:56,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:13:56,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238229775] [2020-08-21 21:13:56,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:13:56,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:56,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:13:56,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:13:56,536 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2020-08-21 21:13:56,881 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:13:57,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:57,417 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2020-08-21 21:13:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:13:57,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 21:13:57,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:57,421 INFO L225 Difference]: With dead ends: 434 [2020-08-21 21:13:57,421 INFO L226 Difference]: Without dead ends: 178 [2020-08-21 21:13:57,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:13:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-08-21 21:13:57,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2020-08-21 21:13:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-08-21 21:13:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2020-08-21 21:13:57,459 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 68 [2020-08-21 21:13:57,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:57,459 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2020-08-21 21:13:57,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:13:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2020-08-21 21:13:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-21 21:13:57,461 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:13:57,462 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, 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] [2020-08-21 21:13:57,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:13:57,462 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:13:57,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:13:57,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1672476349, now seen corresponding path program 1 times [2020-08-21 21:13:57,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:13:57,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112703011] [2020-08-21 21:13:57,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:13:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,738 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:13:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:13:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:13:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:13:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:13:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:13:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 21:13:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:13:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-21 21:13:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:13:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-21 21:13:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-21 21:13:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:13:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 21:13:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-21 21:13:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:13:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 21:13:57,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112703011] [2020-08-21 21:13:57,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:13:57,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:13:57,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864121361] [2020-08-21 21:13:57,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:13:57,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:13:57,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:13:57,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:13:57,940 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 10 states. [2020-08-21 21:13:58,570 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 21:13:59,083 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:13:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:13:59,633 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2020-08-21 21:13:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:13:59,634 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-08-21 21:13:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:13:59,635 INFO L225 Difference]: With dead ends: 223 [2020-08-21 21:13:59,635 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:13:59,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:13:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:13:59,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:13:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:13:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:13:59,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2020-08-21 21:13:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:13:59,638 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:13:59,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:13:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:13:59,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:13:59,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:13:59,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:14:00,056 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2020-08-21 21:14:00,246 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 25 [2020-08-21 21:14:02,152 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:02,507 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:03,108 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:03,564 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 21:14:03,811 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:04,489 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:04,664 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:04,858 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:05,203 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:05,430 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:06,035 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-21 21:14:06,764 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:07,377 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 21:14:08,079 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-21 21:14:08,267 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:08,852 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 21:14:09,272 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:09,677 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:10,120 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:10,486 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:10,979 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 21:14:11,372 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 21:14:11,407 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L404(lines 381 405) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-08-21 21:14:11,408 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point L465(lines 438 466) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:14:11,409 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 21:14:11,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:14:11,410 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-21 21:14:11,410 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2020-08-21 21:14:11,411 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2020-08-21 21:14:11,411 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2020-08-21 21:14:11,411 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2020-08-21 21:14:11,411 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2020-08-21 21:14:11,411 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2020-08-21 21:14:11,412 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,412 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2020-08-21 21:14:11,412 INFO L268 CegarLoopResult]: For program point L818(lines 818 824) no Hoare annotation was computed. [2020-08-21 21:14:11,412 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,412 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-08-21 21:14:11,413 INFO L268 CegarLoopResult]: For program point L814(lines 814 827) no Hoare annotation was computed. [2020-08-21 21:14:11,413 INFO L268 CegarLoopResult]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2020-08-21 21:14:11,413 INFO L271 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: true [2020-08-21 21:14:11,413 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-08-21 21:14:11,413 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,413 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:14:11,414 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2020-08-21 21:14:11,414 INFO L264 CegarLoopResult]: At program point L793-1(line 793) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:14:11,414 INFO L268 CegarLoopResult]: For program point L791(lines 791 798) no Hoare annotation was computed. [2020-08-21 21:14:11,414 INFO L268 CegarLoopResult]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2020-08-21 21:14:11,414 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-08-21 21:14:11,414 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,415 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,415 INFO L264 CegarLoopResult]: At program point L787-1(line 787) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,415 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2020-08-21 21:14:11,415 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 740 763) no Hoare annotation was computed. [2020-08-21 21:14:11,415 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 740 763) no Hoare annotation was computed. [2020-08-21 21:14:11,415 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 740 763) no Hoare annotation was computed. [2020-08-21 21:14:11,415 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-08-21 21:14:11,416 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point L745(line 745) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-08-21 21:14:11,417 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-08-21 21:14:11,417 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-08-21 21:14:11,418 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-08-21 21:14:11,418 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-08-21 21:14:11,418 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-08-21 21:14:11,418 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-08-21 21:14:11,418 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-08-21 21:14:11,418 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-08-21 21:14:11,418 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-21 21:14:11,419 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:14:11,420 INFO L268 CegarLoopResult]: For program point L638(lines 638 658) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point L644(lines 644 651) no Hoare annotation was computed. [2020-08-21 21:14:11,421 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,421 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2020-08-21 21:14:11,422 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2020-08-21 21:14:11,422 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-08-21 21:14:11,422 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-08-21 21:14:11,422 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-08-21 21:14:11,422 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-08-21 21:14:11,422 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-08-21 21:14:11,422 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2020-08-21 21:14:11,422 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-08-21 21:14:11,423 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-08-21 21:14:11,423 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-08-21 21:14:11,423 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,423 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,423 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-08-21 21:14:11,423 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-08-21 21:14:11,423 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,424 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-08-21 21:14:11,424 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:11,424 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-08-21 21:14:11,424 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:11,424 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-21 21:14:11,424 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-08-21 21:14:11,425 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:11,425 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:14:11,425 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-08-21 21:14:11,425 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-08-21 21:14:11,425 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:11,425 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-08-21 21:14:11,425 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-08-21 21:14:11,426 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:11,426 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-08-21 21:14:11,426 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-08-21 21:14:11,426 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:11,426 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:11,426 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-08-21 21:14:11,426 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point L598(lines 598 605) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point L592(lines 592 612) no Hoare annotation was computed. [2020-08-21 21:14:11,427 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2020-08-21 21:14:11,428 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2020-08-21 21:14:11,428 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2020-08-21 21:14:11,428 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2020-08-21 21:14:11,428 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 879 901) no Hoare annotation was computed. [2020-08-21 21:14:11,428 INFO L268 CegarLoopResult]: For program point L887(lines 887 895) no Hoare annotation was computed. [2020-08-21 21:14:11,428 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 879 901) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point L887-2(lines 887 895) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 879 901) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point L545(lines 523 546) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point L504(lines 504 520) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point L564(lines 564 571) no Hoare annotation was computed. [2020-08-21 21:14:11,429 INFO L268 CegarLoopResult]: For program point L525(lines 524 544) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L556-1(line 556) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L521(lines 521 562) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-08-21 21:14:11,430 INFO L268 CegarLoopResult]: For program point L563(lines 563 574) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 675 684) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 675 684) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 675 684) no Hoare annotation was computed. [2020-08-21 21:14:11,431 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,432 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~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#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~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.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~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 21:14:11,432 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,432 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-08-21 21:14:11,432 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-08-21 21:14:11,432 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 136 143) no Hoare annotation was computed. [2020-08-21 21:14:11,432 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2020-08-21 21:14:11,433 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2020-08-21 21:14:11,433 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2020-08-21 21:14:11,433 INFO L268 CegarLoopResult]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2020-08-21 21:14:11,433 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 21:14:11,433 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2020-08-21 21:14:11,433 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,434 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,434 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,434 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2020-08-21 21:14:11,434 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2020-08-21 21:14:11,434 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2020-08-21 21:14:11,434 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:11,435 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 1 ~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))) [2020-08-21 21:14:11,435 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-21 21:14:11,435 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:11,435 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-21 21:14:11,435 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-21 21:14:11,435 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:11,436 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2020-08-21 21:14:11,436 INFO L271 CegarLoopResult]: At program point L735(lines 710 739) the Hoare annotation is: true [2020-08-21 21:14:11,436 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2020-08-21 21:14:11,436 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-08-21 21:14:11,436 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-08-21 21:14:11,436 INFO L271 CegarLoopResult]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2020-08-21 21:14:11,436 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-08-21 21:14:11,436 INFO L271 CegarLoopResult]: At program point L720-2(lines 720 734) the Hoare annotation is: true [2020-08-21 21:14:11,437 INFO L271 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: true [2020-08-21 21:14:11,437 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-08-21 21:14:11,437 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2020-08-21 21:14:11,437 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2020-08-21 21:14:11,437 INFO L268 CegarLoopResult]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2020-08-21 21:14:11,437 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2020-08-21 21:14:11,437 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2020-08-21 21:14:11,437 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,438 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:14:11,438 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:14:11,438 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:11,438 INFO L268 CegarLoopResult]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2020-08-21 21:14:11,438 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2020-08-21 21:14:11,438 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 21:14:11,439 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2020-08-21 21:14:11,439 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2020-08-21 21:14:11,439 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2020-08-21 21:14:11,439 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2020-08-21 21:14:11,439 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,439 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-08-21 21:14:11,440 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-08-21 21:14:11,440 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,440 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:11,440 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-21 21:14:11,440 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-08-21 21:14:11,440 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:11,441 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-08-21 21:14:11,441 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:11,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:14:11 BoogieIcfgContainer [2020-08-21 21:14:11,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:14:11,469 INFO L168 Benchmark]: Toolchain (without parser) took 30419.14 ms. Allocated memory was 141.0 MB in the beginning and 664.8 MB in the end (delta: 523.8 MB). Free memory was 102.9 MB in the beginning and 601.7 MB in the end (delta: -498.8 MB). Peak memory consumption was 521.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:11,470 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 21:14:11,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.34 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 172.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:11,472 INFO L168 Benchmark]: Boogie Preprocessor took 102.24 ms. Allocated memory is still 204.5 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:11,473 INFO L168 Benchmark]: RCFGBuilder took 1445.13 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 194.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:11,473 INFO L168 Benchmark]: TraceAbstraction took 28240.82 ms. Allocated memory was 234.9 MB in the beginning and 664.8 MB in the end (delta: 429.9 MB). Free memory was 193.4 MB in the beginning and 601.7 MB in the end (delta: -408.4 MB). Peak memory consumption was 517.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:11,477 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.34 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 172.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.24 ms. Allocated memory is still 204.5 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1445.13 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 194.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28240.82 ms. Allocated memory was 234.9 MB in the beginning and 664.8 MB in the end (delta: 429.9 MB). Free memory was 193.4 MB in the beginning and 601.7 MB in the end (delta: -408.4 MB). Peak memory consumption was 517.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 572 SDtfs, 1130 SDslu, 397 SDs, 0 SdLazy, 2550 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 41818 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9677 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 118871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/36 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...