/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:44:25,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:44:25,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:44:25,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:44:25,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:44:25,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:44:25,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:44:25,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:44:25,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:44:25,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:44:25,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:44:25,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:44:25,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:44:25,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:44:25,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:44:25,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:44:25,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:44:25,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:44:25,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:44:25,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:44:25,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:44:25,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:44:25,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:44:25,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:44:25,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:44:25,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:44:25,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:44:25,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:44:25,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:44:25,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:44:25,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:44:25,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:44:25,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:44:25,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:44:25,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:44:25,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:44:25,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:44:25,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:44:25,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:44:25,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:44:25,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:44:25,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 17:44:25,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:44:25,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:44:25,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:44:25,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:44:25,715 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:44:25,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:44:25,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:44:25,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:44:25,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:44:25,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:44:25,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:44:25,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:44:25,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:44:25,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:44:25,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:44:25,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:44:25,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:44:25,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:44:25,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:44:25,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:44:25,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:44:25,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:44:25,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:44:25,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:44:25,721 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=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:44:26,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:44:26,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:44:26,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:44:26,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:44:26,083 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:44:26,084 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 17:44:26,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f42d461e/5f32ca35b6234d3ebc8925f1246af338/FLAGc27003a76 [2020-08-18 17:44:26,614 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:44:26,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 17:44:26,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f42d461e/5f32ca35b6234d3ebc8925f1246af338/FLAGc27003a76 [2020-08-18 17:44:26,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f42d461e/5f32ca35b6234d3ebc8925f1246af338 [2020-08-18 17:44:26,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:44:26,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:44:27,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:44:27,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:44:27,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:44:27,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:44:26" (1/1) ... [2020-08-18 17:44:27,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27, skipping insertion in model container [2020-08-18 17:44:27,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:44:26" (1/1) ... [2020-08-18 17:44:27,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:44:27,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:44:27,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:44:27,525 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:44:27,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:44:27,662 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:44:27,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27 WrapperNode [2020-08-18 17:44:27,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:44:27,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:44:27,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:44:27,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:44:27,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... [2020-08-18 17:44:27,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:44:27,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:44:27,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:44:27,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:44:27,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:44:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:44:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:44:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:44:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:44:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:44:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:44:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:44:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:44:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:44:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:44:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:44:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:44:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:44:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:44:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:44:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:44:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 17:44:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:44:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:44:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:44:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:44:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:44:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:44:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 17:44:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:44:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 17:44:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:44:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:44:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:44:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:44:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:44:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:44:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:44:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:44:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:44:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:44:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:44:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:44:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:44:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:44:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:44:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:44:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:44:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:44:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:44:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:44:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:44:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:44:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:44:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:44:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:44:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:44:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:44:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:44:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:44:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:44:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:44:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:44:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:44:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:44:28,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:44:28,964 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:44:28,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:44:28 BoogieIcfgContainer [2020-08-18 17:44:28,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:44:28,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:44:28,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:44:28,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:44:28,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:44:26" (1/3) ... [2020-08-18 17:44:28,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f3c8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:44:28, skipping insertion in model container [2020-08-18 17:44:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:44:27" (2/3) ... [2020-08-18 17:44:28,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f3c8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:44:28, skipping insertion in model container [2020-08-18 17:44:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:44:28" (3/3) ... [2020-08-18 17:44:28,977 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-08-18 17:44:28,987 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:44:28,995 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:44:29,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:44:29,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:44:29,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:44:29,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:44:29,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:44:29,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:44:29,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:44:29,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:44:29,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:44:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-18 17:44:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:44:29,066 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:29,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:44:29,068 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:29,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:29,075 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2020-08-18 17:44:29,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:29,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671856822] [2020-08-18 17:44:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,729 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:44:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:44:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:44:29,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671856822] [2020-08-18 17:44:29,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:44:29,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:44:29,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315522014] [2020-08-18 17:44:29,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:44:29,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:29,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:44:29,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:44:29,875 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-08-18 17:44:30,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:30,863 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-18 17:44:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:44:30,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:44:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:30,881 INFO L225 Difference]: With dead ends: 243 [2020-08-18 17:44:30,882 INFO L226 Difference]: Without dead ends: 132 [2020-08-18 17:44:30,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:44:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-18 17:44:30,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-18 17:44:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 17:44:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-18 17:44:30,990 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-18 17:44:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:30,992 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-18 17:44:30,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:44:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-18 17:44:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:44:30,997 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:30,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:44:30,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:44:30,998 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:30,999 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2020-08-18 17:44:30,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:30,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799836643] [2020-08-18 17:44:31,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,385 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:44:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:44:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:44:31,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799836643] [2020-08-18 17:44:31,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:44:31,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:44:31,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825698092] [2020-08-18 17:44:31,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:44:31,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:31,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:44:31,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:44:31,429 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-18 17:44:31,833 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:44:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:32,396 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-18 17:44:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:44:32,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:44:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:32,402 INFO L225 Difference]: With dead ends: 176 [2020-08-18 17:44:32,402 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 17:44:32,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:44:32,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 17:44:32,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 17:44:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 17:44:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-18 17:44:32,434 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-18 17:44:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:32,434 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-18 17:44:32,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:44:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-18 17:44:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 17:44:32,436 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:32,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:44:32,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:44:32,437 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:32,438 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2020-08-18 17:44:32,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:32,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727229303] [2020-08-18 17:44:32,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,774 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:32,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:44:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:44:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:44:32,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727229303] [2020-08-18 17:44:32,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:44:32,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:44:32,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162669407] [2020-08-18 17:44:32,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:44:32,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:32,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:44:32,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:44:32,907 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-18 17:44:33,243 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:44:33,535 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:33,800 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:34,070 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:34,917 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-18 17:44:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:44:34,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 17:44:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:34,920 INFO L225 Difference]: With dead ends: 185 [2020-08-18 17:44:34,920 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 17:44:34,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:44:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 17:44:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 17:44:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 17:44:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-18 17:44:34,961 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-18 17:44:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:34,962 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-18 17:44:34,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:44:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-18 17:44:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 17:44:34,964 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:34,964 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] [2020-08-18 17:44:34,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:44:34,964 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:34,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2020-08-18 17:44:34,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:34,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678009294] [2020-08-18 17:44:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,298 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:35,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 17:44:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:44:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 17:44:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 17:44:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:44:35,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678009294] [2020-08-18 17:44:35,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:44:35,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 17:44:35,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845480770] [2020-08-18 17:44:35,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 17:44:35,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:35,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 17:44:35,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:44:35,392 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-18 17:44:35,792 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:44:36,127 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:36,373 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:36,609 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:37,141 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:44:37,815 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:38,186 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:44:38,463 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:44:38,720 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:44:39,001 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:44:39,389 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:44:39,662 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:44:39,904 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:44:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:40,880 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-18 17:44:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 17:44:40,880 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 17:44:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:40,885 INFO L225 Difference]: With dead ends: 352 [2020-08-18 17:44:40,885 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 17:44:40,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 17:44:40,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 17:44:40,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-18 17:44:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-18 17:44:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-18 17:44:40,951 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-18 17:44:40,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:40,952 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-18 17:44:40,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 17:44:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-18 17:44:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 17:44:40,954 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:40,955 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] [2020-08-18 17:44:40,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:44:40,955 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:40,955 INFO L82 PathProgramCache]: Analyzing trace with hash 234743316, now seen corresponding path program 1 times [2020-08-18 17:44:40,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:40,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51007936] [2020-08-18 17:44:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,241 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:41,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 17:44:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:44:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:44:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 17:44:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 17:44:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:44:41,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51007936] [2020-08-18 17:44:41,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:44:41,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 17:44:41,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782647668] [2020-08-18 17:44:41,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 17:44:41,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:41,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 17:44:41,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:44:41,345 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-18 17:44:41,667 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:44:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:42,201 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-18 17:44:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:44:42,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-18 17:44:42,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:42,208 INFO L225 Difference]: With dead ends: 357 [2020-08-18 17:44:42,208 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 17:44:42,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:44:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 17:44:42,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 17:44:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 17:44:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 17:44:42,244 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-18 17:44:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:42,244 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 17:44:42,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 17:44:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 17:44:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 17:44:42,246 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:44:42,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:44:42,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:44:42,247 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:44:42,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:44:42,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1969970811, now seen corresponding path program 1 times [2020-08-18 17:44:42,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:44:42,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911640506] [2020-08-18 17:44:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:44:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,552 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:44:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:44:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:44:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:44:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:44:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 17:44:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:44:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:44:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:44:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 17:44:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:44:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 17:44:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 17:44:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:44:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 17:44:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 17:44:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:44:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 17:44:42,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911640506] [2020-08-18 17:44:42,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:44:42,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 17:44:42,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017484226] [2020-08-18 17:44:42,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 17:44:42,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:44:42,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 17:44:42,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:44:42,704 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 17:44:43,450 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 17:44:44,037 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:44:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:44:44,551 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 17:44:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:44:44,552 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 17:44:44,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:44:44,552 INFO L225 Difference]: With dead ends: 203 [2020-08-18 17:44:44,553 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:44:44,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:44:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:44:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:44:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:44:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:44:44,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 17:44:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:44:44,556 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:44:44,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 17:44:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:44:44,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:44:44,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 17:44:44,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:44:46,017 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-18 17:44:47,281 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 17:44:47,681 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:48,128 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:48,276 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 17:44:48,521 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:49,155 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 17:44:49,313 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 17:44:50,030 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 17:44:50,725 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 17:44:51,199 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 17:44:51,574 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:51,957 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:52,527 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 17:44:52,697 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 17:44:53,138 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:53,282 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 17:44:53,637 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 17:44:54,011 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 17:44:54,462 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 17:44:55,068 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 17:44:55,126 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-18 17:44:55,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-18 17:44:55,126 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-18 17:44:55,127 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-18 17:44:55,128 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 17:44:55,128 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-18 17:44:55,128 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-18 17:44:55,128 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-18 17:44:55,128 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-18 17:44:55,129 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-18 17:44:55,129 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 17:44:55,129 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-18 17:44:55,129 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2020-08-18 17:44:55,129 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2020-08-18 17:44:55,129 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2020-08-18 17:44:55,130 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2020-08-18 17:44:55,130 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2020-08-18 17:44:55,130 INFO L264 CegarLoopResult]: At program point L512(line 512) 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))) [2020-08-18 17:44:55,130 INFO L268 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-08-18 17:44:55,130 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2020-08-18 17:44:55,130 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-08-18 17:44:55,130 INFO L268 CegarLoopResult]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2020-08-18 17:44:55,130 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-08-18 17:44:55,131 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-08-18 17:44:55,131 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2020-08-18 17:44:55,131 INFO L264 CegarLoopResult]: At program point L516(line 516) 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))) [2020-08-18 17:44:55,131 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-08-18 17:44:55,131 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 606 628) 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))) [2020-08-18 17:44:55,131 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2020-08-18 17:44:55,132 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2020-08-18 17:44:55,132 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:55,132 INFO L264 CegarLoopResult]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:55,132 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-08-18 17:44:55,132 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2020-08-18 17:44:55,132 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-08-18 17:44:55,133 INFO L264 CegarLoopResult]: At program point L613(line 613) 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))) [2020-08-18 17:44:55,133 INFO L264 CegarLoopResult]: At program point L612(line 612) 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))) [2020-08-18 17:44:55,133 INFO L264 CegarLoopResult]: At program point L612-1(line 612) 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))) [2020-08-18 17:44:55,133 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 17:44:55,133 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 17:44:55,133 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-18 17:44:55,134 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2020-08-18 17:44:55,135 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2020-08-18 17:44:55,136 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-18 17:44:55,137 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-18 17:44:55,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-18 17:44:55,138 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 593 602) 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))) [2020-08-18 17:44:55,138 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2020-08-18 17:44:55,138 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2020-08-18 17:44:55,138 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2020-08-18 17:44:55,138 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2020-08-18 17:44:55,138 INFO L271 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: true [2020-08-18 17:44:55,139 INFO L268 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-08-18 17:44:55,139 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2020-08-18 17:44:55,139 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2020-08-18 17:44:55,139 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2020-08-18 17:44:55,139 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2020-08-18 17:44:55,139 INFO L264 CegarLoopResult]: At program point L673(line 673) 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))) [2020-08-18 17:44:55,139 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-08-18 17:44:55,140 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-08-18 17:44:55,140 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2020-08-18 17:44:55,140 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 667 691) 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))))) [2020-08-18 17:44:55,140 INFO L264 CegarLoopResult]: At program point L686(line 686) 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))))) [2020-08-18 17:44:55,140 INFO L268 CegarLoopResult]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2020-08-18 17:44:55,140 INFO L264 CegarLoopResult]: At program point L681(line 681) 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))) [2020-08-18 17:44:55,141 INFO L264 CegarLoopResult]: At program point L677(line 677) 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))) [2020-08-18 17:44:55,141 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-08-18 17:44:55,141 INFO L264 CegarLoopResult]: At program point testENTRY(lines 782 845) 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))) [2020-08-18 17:44:55,141 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-18 17:44:55,141 INFO L264 CegarLoopResult]: At program point L828-2(lines 822 833) 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))) [2020-08-18 17:44:55,141 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-08-18 17:44:55,142 INFO L268 CegarLoopResult]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2020-08-18 17:44:55,142 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-08-18 17:44:55,142 INFO L264 CegarLoopResult]: At program point L814(line 814) 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))) [2020-08-18 17:44:55,142 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-08-18 17:44:55,142 INFO L268 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-08-18 17:44:55,142 INFO L264 CegarLoopResult]: At program point L804(line 804) 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))) [2020-08-18 17:44:55,143 INFO L264 CegarLoopResult]: At program point L835(lines 792 837) 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))) [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-08-18 17:44:55,143 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-18 17:44:55,143 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 17:44:55,144 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-18 17:44:55,145 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-18 17:44:55,146 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2020-08-18 17:44:55,147 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2020-08-18 17:44:55,147 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2020-08-18 17:44:55,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,147 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 17:44:55,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,147 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-08-18 17:44:55,148 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 17:44:55,148 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) 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))) [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,149 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 17:44:55,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 17:44:55,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 17:44:55,150 INFO L264 CegarLoopResult]: At program point L641(line 641) 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))) [2020-08-18 17:44:55,150 INFO L268 CegarLoopResult]: For program point L639(lines 638 657) no Hoare annotation was computed. [2020-08-18 17:44:55,150 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 635 658) 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))) [2020-08-18 17:44:55,150 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2020-08-18 17:44:55,151 INFO L264 CegarLoopResult]: At program point L648(line 648) 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))) [2020-08-18 17:44:55,151 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2020-08-18 17:44:55,151 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) 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))) [2020-08-18 17:44:55,151 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-08-18 17:44:55,151 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2020-08-18 17:44:55,151 INFO L271 CegarLoopResult]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2020-08-18 17:44:55,151 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 17:44:55,152 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2020-08-18 17:44:55,152 INFO L271 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2020-08-18 17:44:55,152 INFO L271 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: true [2020-08-18 17:44:55,152 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-08-18 17:44:55,152 INFO L271 CegarLoopResult]: At program point L555(lines 530 559) the Hoare annotation is: true [2020-08-18 17:44:55,152 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 17:44:55,152 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 17:44:55,152 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 17:44:55,152 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 17:44:55,153 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2020-08-18 17:44:55,153 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2020-08-18 17:44:55,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,153 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 17:44:55,153 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:44:55,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:55,153 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 17:44:55,153 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 17:44:55,154 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) 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))) [2020-08-18 17:44:55,154 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-18 17:44:55,154 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-18 17:44:55,154 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-18 17:44:55,154 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-18 17:44:55,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:44:55 BoogieIcfgContainer [2020-08-18 17:44:55,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:44:55,175 INFO L168 Benchmark]: Toolchain (without parser) took 28177.44 ms. Allocated memory was 142.1 MB in the beginning and 584.1 MB in the end (delta: 442.0 MB). Free memory was 104.0 MB in the beginning and 250.4 MB in the end (delta: -146.4 MB). Peak memory consumption was 458.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,176 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.35 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.8 MB in the beginning and 171.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,178 INFO L168 Benchmark]: Boogie Preprocessor took 120.37 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,179 INFO L168 Benchmark]: RCFGBuilder took 1184.66 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 166.9 MB in the beginning and 191.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,180 INFO L168 Benchmark]: TraceAbstraction took 26202.93 ms. Allocated memory was 232.8 MB in the beginning and 584.1 MB in the end (delta: 351.3 MB). Free memory was 191.6 MB in the beginning and 250.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 455.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:55,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.35 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.8 MB in the beginning and 171.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.37 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.66 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 166.9 MB in the beginning and 191.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26202.93 ms. Allocated memory was 232.8 MB in the beginning and 584.1 MB in the end (delta: 351.3 MB). Free memory was 191.6 MB in the beginning and 250.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 455.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: 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: 791]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 989 SDslu, 343 SDs, 0 SdLazy, 2114 SolverSat, 643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...