/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:30:14,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 19:30:14,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 19:30:14,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 19:30:14,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:30:14,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:30:14,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:30:14,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:30:14,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:30:14,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:30:14,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:30:14,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:30:14,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:30:14,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:30:14,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:30:14,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:30:14,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:30:14,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:30:14,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:30:14,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:30:14,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:30:14,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:30:14,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:30:14,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:30:14,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 19:30:14,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 19:30:14,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 19:30:14,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 19:30:14,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 19:30:14,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 19:30:14,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 19:30:14,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 19:30:14,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 19:30:14,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 19:30:14,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 19:30:14,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 19:30:14,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 19:30:14,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 19:30:14,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:30:14,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:30:14,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:30:14,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 19:30:14,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:30:14,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:30:14,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:30:14,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:30:14,785 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:30:14,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:30:14,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:30:14,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:30:14,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:30:14,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:30:14,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:30:14,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:30:14,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:30:14,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:30:14,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:30:14,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:30:14,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:30:14,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:30:14,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:30:14,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:30:14,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:30:14,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:30:14,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:30:14,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:30:14,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:30:14,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:30:14,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:30:14,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:30:14,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:30:14,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-08-21 19:30:15,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:30:15,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:30:15,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:30:15,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:30:15,138 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:30:15,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-08-21 19:30:15,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88fa4502/43e2bfcf9b2349d78940bd8b0e454dd0/FLAGff9c18d2e [2020-08-21 19:30:15,726 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:30:15,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-08-21 19:30:15,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88fa4502/43e2bfcf9b2349d78940bd8b0e454dd0/FLAGff9c18d2e [2020-08-21 19:30:16,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88fa4502/43e2bfcf9b2349d78940bd8b0e454dd0 [2020-08-21 19:30:16,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:30:16,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:30:16,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:30:16,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:30:16,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:30:16,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f750b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16, skipping insertion in model container [2020-08-21 19:30:16,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:30:16,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:30:16,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:30:16,564 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:30:16,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:30:16,684 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:30:16,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16 WrapperNode [2020-08-21 19:30:16,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:30:16,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:30:16,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:30:16,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:30:16,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... [2020-08-21 19:30:16,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:30:16,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:30:16,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:30:16,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:30:16,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:30:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:30:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:30:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 19:30:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 19:30:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 19:30:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 19:30:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 19:30:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 19:30:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 19:30:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 19:30:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 19:30:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 19:30:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 19:30:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 19:30:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 19:30:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 19:30:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:30:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 19:30:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 19:30:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 19:30:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 19:30:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 19:30:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:30:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 19:30:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:30:17,896 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:30:17,897 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 19:30:17,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:30:17 BoogieIcfgContainer [2020-08-21 19:30:17,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:30:17,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:30:17,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:30:17,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:30:17,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:30:16" (1/3) ... [2020-08-21 19:30:17,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1659d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:30:17, skipping insertion in model container [2020-08-21 19:30:17,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:30:16" (2/3) ... [2020-08-21 19:30:17,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1659d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:30:17, skipping insertion in model container [2020-08-21 19:30:17,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:30:17" (3/3) ... [2020-08-21 19:30:17,919 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-08-21 19:30:17,930 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:30:17,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:30:17,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:30:18,006 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:30:18,006 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:30:18,007 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:30:18,007 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:30:18,007 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:30:18,007 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:30:18,008 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:30:18,008 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:30:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-08-21 19:30:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 19:30:18,039 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:30:18,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:30:18,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:30:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:30:18,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2020-08-21 19:30:18,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:30:18,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032890320] [2020-08-21 19:30:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:30:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,684 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:18,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:30:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:30:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:30:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:30:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:30:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 19:30:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 19:30:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:30:18,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032890320] [2020-08-21 19:30:18,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:30:18,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:30:18,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464577490] [2020-08-21 19:30:18,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:30:18,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:30:18,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:30:18,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:30:18,885 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-08-21 19:30:19,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:30:19,980 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-08-21 19:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:30:19,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 19:30:19,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:30:20,010 INFO L225 Difference]: With dead ends: 251 [2020-08-21 19:30:20,010 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 19:30:20,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:30:20,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 19:30:20,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-08-21 19:30:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-21 19:30:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-08-21 19:30:20,153 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-08-21 19:30:20,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:30:20,154 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-08-21 19:30:20,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:30:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-08-21 19:30:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 19:30:20,159 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:30:20,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:30:20,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:30:20,161 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:30:20,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:30:20,161 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2020-08-21 19:30:20,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:30:20,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59383688] [2020-08-21 19:30:20,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:30:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,555 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:20,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:30:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:30:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:30:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:30:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:30:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 19:30:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 19:30:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:30:20,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59383688] [2020-08-21 19:30:20,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:30:20,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:30:20,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538298011] [2020-08-21 19:30:20,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 19:30:20,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:30:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 19:30:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 19:30:20,600 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-08-21 19:30:21,100 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 19:30:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:30:21,727 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-08-21 19:30:21,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:30:21,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 19:30:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:30:21,734 INFO L225 Difference]: With dead ends: 178 [2020-08-21 19:30:21,735 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 19:30:21,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:30:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 19:30:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-08-21 19:30:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-21 19:30:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-08-21 19:30:21,784 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-08-21 19:30:21,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:30:21,784 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-08-21 19:30:21,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 19:30:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-08-21 19:30:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 19:30:21,796 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:30:21,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:30:21,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:30:21,797 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:30:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:30:21,798 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2020-08-21 19:30:21,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:30:21,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358168354] [2020-08-21 19:30:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:30:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,114 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:30:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:30:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:30:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:30:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:30:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 19:30:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 19:30:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:30:22,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358168354] [2020-08-21 19:30:22,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:30:22,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 19:30:22,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159312164] [2020-08-21 19:30:22,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:30:22,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:30:22,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:30:22,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:30:22,195 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states. [2020-08-21 19:30:22,592 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:30:22,883 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:23,161 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:23,390 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:24,110 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 19:30:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:30:25,376 INFO L93 Difference]: Finished difference Result 336 states and 422 transitions. [2020-08-21 19:30:25,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:30:25,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 19:30:25,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:30:25,389 INFO L225 Difference]: With dead ends: 336 [2020-08-21 19:30:25,392 INFO L226 Difference]: Without dead ends: 264 [2020-08-21 19:30:25,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 19:30:25,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-08-21 19:30:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2020-08-21 19:30:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-08-21 19:30:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-08-21 19:30:25,464 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2020-08-21 19:30:25,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:30:25,464 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-08-21 19:30:25,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:30:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-08-21 19:30:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 19:30:25,466 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:30:25,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:30:25,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:30:25,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:30:25,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:30:25,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2020-08-21 19:30:25,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:30:25,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300190494] [2020-08-21 19:30:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:30:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,763 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:25,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:30:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:30:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:30:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:30:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:30:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 19:30:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 19:30:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 19:30:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:30:25,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300190494] [2020-08-21 19:30:25,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:30:25,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 19:30:25,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547993220] [2020-08-21 19:30:25,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:30:25,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:30:25,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:30:25,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:30:25,895 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states. [2020-08-21 19:30:26,260 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:30:27,147 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:27,496 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:30:27,822 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:28,067 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:28,395 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 19:30:29,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:30:29,046 INFO L93 Difference]: Finished difference Result 680 states and 901 transitions. [2020-08-21 19:30:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 19:30:29,048 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-21 19:30:29,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:30:29,060 INFO L225 Difference]: With dead ends: 680 [2020-08-21 19:30:29,060 INFO L226 Difference]: Without dead ends: 494 [2020-08-21 19:30:29,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 19:30:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-21 19:30:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375. [2020-08-21 19:30:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-21 19:30:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2020-08-21 19:30:29,162 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2020-08-21 19:30:29,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:30:29,163 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2020-08-21 19:30:29,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:30:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2020-08-21 19:30:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-21 19:30:29,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:30:29,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:30:29,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:30:29,165 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:30:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:30:29,166 INFO L82 PathProgramCache]: Analyzing trace with hash 718604337, now seen corresponding path program 1 times [2020-08-21 19:30:29,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:30:29,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548364999] [2020-08-21 19:30:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:30:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,461 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:30:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:30:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:30:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:30:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:30:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 19:30:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 19:30:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 19:30:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 19:30:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:30:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:30:29,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548364999] [2020-08-21 19:30:29,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:30:29,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 19:30:29,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621778005] [2020-08-21 19:30:29,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 19:30:29,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:30:29,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 19:30:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 19:30:29,563 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states. [2020-08-21 19:30:30,019 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:30:30,932 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:31,197 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:31,453 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:30:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:30:31,807 INFO L93 Difference]: Finished difference Result 705 states and 922 transitions. [2020-08-21 19:30:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 19:30:31,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-21 19:30:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:30:31,808 INFO L225 Difference]: With dead ends: 705 [2020-08-21 19:30:31,809 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:30:31,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 19:30:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:30:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:30:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:30:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:30:31,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-21 19:30:31,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:30:31,820 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:30:31,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 19:30:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:30:31,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:30:31,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:30:31,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:30:34,684 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 19:30:35,000 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 19:30:35,178 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:35,328 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 19:30:35,479 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 19:30:35,681 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-21 19:30:35,850 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:36,311 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-21 19:30:36,497 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:30:36,808 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 19:30:36,959 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 19:30:37,251 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-21 19:30:37,555 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 19:30:37,773 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 19:30:37,974 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 19:30:38,168 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:38,344 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:38,512 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 19:30:38,847 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 19:30:39,023 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 19:30:39,206 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:39,520 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 19:30:39,695 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 19:30:39,700 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-21 19:30:39,700 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 605) no Hoare annotation was computed. [2020-08-21 19:30:39,700 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-08-21 19:30:39,700 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 570 625) no Hoare annotation was computed. [2020-08-21 19:30:39,700 INFO L268 CegarLoopResult]: For program point L595-2(lines 595 616) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point L617(lines 594 618) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 570 625) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 570 625) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 626 685) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-08-21 19:30:39,701 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 626 685) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 677) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 626 685) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point L678(lines 651 679) no Hoare annotation was computed. [2020-08-21 19:30:39,702 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2020-08-21 19:30:39,702 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2020-08-21 19:30:39,703 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2020-08-21 19:30:39,703 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2020-08-21 19:30:39,703 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2020-08-21 19:30:39,703 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,703 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,704 INFO L264 CegarLoopResult]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,704 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2020-08-21 19:30:39,704 INFO L268 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2020-08-21 19:30:39,704 INFO L268 CegarLoopResult]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2020-08-21 19:30:39,704 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 19:30:39,704 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,704 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,705 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 453 476) no Hoare annotation was computed. [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 453 476) no Hoare annotation was computed. [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 453 476) no Hoare annotation was computed. [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-08-21 19:30:39,705 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 19:30:39,706 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-08-21 19:30:39,707 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 300 314) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2020-08-21 19:30:39,708 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2020-08-21 19:30:39,708 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-08-21 19:30:39,708 INFO L268 CegarLoopResult]: For program point L271(lines 271 279) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 264 299) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point L271-2(lines 271 279) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 264 299) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 264 299) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2020-08-21 19:30:39,709 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 524 569) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 524 569) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 524 569) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 837 882) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 837 882) no Hoare annotation was computed. [2020-08-21 19:30:39,710 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 837 882) no Hoare annotation was computed. [2020-08-21 19:30:39,711 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,711 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2020-08-21 19:30:39,711 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2020-08-21 19:30:39,711 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2020-08-21 19:30:39,711 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2020-08-21 19:30:39,711 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-08-21 19:30:39,711 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-08-21 19:30:39,712 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2020-08-21 19:30:39,712 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2020-08-21 19:30:39,712 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2020-08-21 19:30:39,712 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2020-08-21 19:30:39,712 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,712 INFO L268 CegarLoopResult]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2020-08-21 19:30:39,712 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,712 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2020-08-21 19:30:39,713 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,713 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,713 INFO L268 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-08-21 19:30:39,713 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,713 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-08-21 19:30:39,713 INFO L268 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2020-08-21 19:30:39,713 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2020-08-21 19:30:39,713 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2020-08-21 19:30:39,714 INFO L264 CegarLoopResult]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,714 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:30:39,714 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-08-21 19:30:39,714 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-08-21 19:30:39,714 INFO L268 CegarLoopResult]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2020-08-21 19:30:39,714 INFO L264 CegarLoopResult]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:30:39,715 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:30:39,715 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-08-21 19:30:39,715 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2020-08-21 19:30:39,715 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-08-21 19:30:39,715 INFO L264 CegarLoopResult]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:30:39,715 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:30:39,715 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L264 CegarLoopResult]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point L328(lines 327 374) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point L357(lines 357 370) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 791 836) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 791 836) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 791 836) no Hoare annotation was computed. [2020-08-21 19:30:39,716 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point L805(lines 805 825) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point L805-1(lines 805 825) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 19:30:39,717 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 388 397) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 388 397) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 388 397) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 757) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 688 790) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point L758(lines 736 759) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point L717(lines 717 733) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point L777(lines 777 784) no Hoare annotation was computed. [2020-08-21 19:30:39,718 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 688 790) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L738(lines 737 757) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L734(lines 734 775) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 688 790) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-08-21 19:30:39,719 INFO L268 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2020-08-21 19:30:39,720 INFO L268 CegarLoopResult]: For program point L776(lines 776 787) no Hoare annotation was computed. [2020-08-21 19:30:39,720 INFO L268 CegarLoopResult]: For program point L739(lines 739 743) no Hoare annotation was computed. [2020-08-21 19:30:39,720 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,720 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#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~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 19:30:39,720 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,720 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 228 235) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 19:30:39,721 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 19:30:39,722 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 19:30:39,722 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,723 INFO L264 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,723 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 19:30:39,723 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:30:39,723 INFO L268 CegarLoopResult]: For program point L175(lines 174 193) no Hoare annotation was computed. [2020-08-21 19:30:39,723 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2020-08-21 19:30:39,723 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2020-08-21 19:30:39,723 INFO L271 CegarLoopResult]: At program point L448(lines 423 452) the Hoare annotation is: true [2020-08-21 19:30:39,723 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2020-08-21 19:30:39,724 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2020-08-21 19:30:39,724 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-21 19:30:39,724 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-08-21 19:30:39,724 INFO L271 CegarLoopResult]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2020-08-21 19:30:39,724 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 19:30:39,724 INFO L271 CegarLoopResult]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2020-08-21 19:30:39,724 INFO L271 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-08-21 19:30:39,724 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-08-21 19:30:39,724 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 19:30:39,725 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 19:30:39,725 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 19:30:39,725 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2020-08-21 19:30:39,725 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2020-08-21 19:30:39,725 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,725 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 19:30:39,725 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:30:39,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:30:39,726 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 19:30:39,726 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 19:30:39,726 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 19:30:39,726 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2020-08-21 19:30:39,726 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-08-21 19:30:39,727 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2020-08-21 19:30:39,727 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2020-08-21 19:30:39,727 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-08-21 19:30:39,727 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-08-21 19:30:39,727 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 19:30:39,727 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-08-21 19:30:39,727 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-21 19:30:39,728 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-08-21 19:30:39,728 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-08-21 19:30:39,728 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-08-21 19:30:39,728 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-21 19:30:39,728 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-21 19:30:39,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:30:39 BoogieIcfgContainer [2020-08-21 19:30:39,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:30:39,765 INFO L168 Benchmark]: Toolchain (without parser) took 23689.17 ms. Allocated memory was 140.5 MB in the beginning and 595.1 MB in the end (delta: 454.6 MB). Free memory was 102.4 MB in the beginning and 343.9 MB in the end (delta: -241.5 MB). Peak memory consumption was 441.0 MB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,766 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.43 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 172.9 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,769 INFO L168 Benchmark]: Boogie Preprocessor took 88.34 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 168.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,772 INFO L168 Benchmark]: RCFGBuilder took 1133.86 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,777 INFO L168 Benchmark]: TraceAbstraction took 21848.55 ms. Allocated memory was 235.4 MB in the beginning and 595.1 MB in the end (delta: 359.7 MB). Free memory was 199.4 MB in the beginning and 343.9 MB in the end (delta: -144.6 MB). Peak memory consumption was 443.0 MB. Max. memory is 7.1 GB. [2020-08-21 19:30:39,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.43 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 172.9 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.34 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 168.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1133.86 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21848.55 ms. Allocated memory was 235.4 MB in the beginning and 595.1 MB in the end (delta: 359.7 MB). Free memory was 199.4 MB in the beginning and 343.9 MB in the end (delta: -144.6 MB). Peak memory consumption was 443.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 751 SDslu, 398 SDs, 0 SdLazy, 1924 SolverSat, 506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 676 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...