/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=WIDEST --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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:55:31,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:55:31,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:55:31,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:55:31,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:55:31,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:55:31,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:55:31,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:55:31,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:55:31,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:55:31,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:55:31,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:55:31,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:55:31,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:55:31,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:55:31,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:55:31,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:55:31,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:55:31,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:55:31,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:55:31,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:55:31,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:55:31,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:55:31,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:55:31,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:55:31,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:55:31,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:55:31,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:55:31,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:55:31,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:55:31,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:55:31,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:55:31,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:55:31,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:55:31,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:55:31,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:55:31,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:55:31,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:55:31,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:55:31,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:55:31,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:55:31,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:55:31,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:55:31,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:55:31,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:55:31,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:55:31,951 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:55:31,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:55:31,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:55:31,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:55:31,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:55:31,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:55:31,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:55:31,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:55:31,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:55:31,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:55:31,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:55:31,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:55:31,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:55:31,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:55:31,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:55:31,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:55:31,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:55:31,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:55:31,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:55:31,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:55:31,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:55:31,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:55:31,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:55:31,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:55:31,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:55:31,956 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=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 21:55:32,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:55:32,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:55:32,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:55:32,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:55:32,313 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:55:32,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2020-08-21 21:55:32,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/429927c3a/36e02de12b494e47a7ac2f42cee5f486/FLAGb83aba25b [2020-08-21 21:55:32,868 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:55:32,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2020-08-21 21:55:32,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/429927c3a/36e02de12b494e47a7ac2f42cee5f486/FLAGb83aba25b [2020-08-21 21:55:33,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/429927c3a/36e02de12b494e47a7ac2f42cee5f486 [2020-08-21 21:55:33,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:55:33,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:55:33,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:55:33,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:55:33,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:55:33,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265a33a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33, skipping insertion in model container [2020-08-21 21:55:33,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:55:33,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:55:33,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:55:33,600 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:55:33,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:55:33,833 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:55:33,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33 WrapperNode [2020-08-21 21:55:33,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:55:33,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:55:33,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:55:33,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:55:33,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... [2020-08-21 21:55:33,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:55:33,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:55:33,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:55:33,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:55:33,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 21:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 21:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:55:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 21:55:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:55:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:55:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:55:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:55:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:55:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:55:35,121 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:55:35,122 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:55:35,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:55:35 BoogieIcfgContainer [2020-08-21 21:55:35,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:55:35,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:55:35,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:55:35,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:55:35,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:55:33" (1/3) ... [2020-08-21 21:55:35,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf6d111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:55:35, skipping insertion in model container [2020-08-21 21:55:35,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:55:33" (2/3) ... [2020-08-21 21:55:35,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf6d111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:55:35, skipping insertion in model container [2020-08-21 21:55:35,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:55:35" (3/3) ... [2020-08-21 21:55:35,135 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2020-08-21 21:55:35,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:55:35,154 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:55:35,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:55:35,195 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:55:35,196 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:55:35,196 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:55:35,196 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:55:35,196 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:55:35,196 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:55:35,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:55:35,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:55:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-08-21 21:55:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 21:55:35,230 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:55:35,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:55:35,231 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:55:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:55:35,238 INFO L82 PathProgramCache]: Analyzing trace with hash -712803612, now seen corresponding path program 1 times [2020-08-21 21:55:35,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:55:35,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608925816] [2020-08-21 21:55:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:55:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,884 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:55:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:55:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:55:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:55:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:55:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:55:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:55:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:55:35,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608925816] [2020-08-21 21:55:35,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:55:35,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 21:55:35,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571220743] [2020-08-21 21:55:35,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 21:55:35,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:55:36,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 21:55:36,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:55:36,007 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-08-21 21:55:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:55:37,006 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-08-21 21:55:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 21:55:37,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 21:55:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:55:37,023 INFO L225 Difference]: With dead ends: 208 [2020-08-21 21:55:37,024 INFO L226 Difference]: Without dead ends: 114 [2020-08-21 21:55:37,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:55:37,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-08-21 21:55:37,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-08-21 21:55:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-21 21:55:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-08-21 21:55:37,149 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-08-21 21:55:37,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:55:37,150 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-08-21 21:55:37,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 21:55:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-08-21 21:55:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 21:55:37,154 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:55:37,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:55:37,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:55:37,155 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:55:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:55:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1977757942, now seen corresponding path program 1 times [2020-08-21 21:55:37,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:55:37,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129958139] [2020-08-21 21:55:37,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:55:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,569 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:55:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:55:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:55:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:55:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:55:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:55:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:55:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:55:37,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129958139] [2020-08-21 21:55:37,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:55:37,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:55:37,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108320706] [2020-08-21 21:55:37,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:55:37,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:55:37,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:55:37,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:55:37,619 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-08-21 21:55:38,122 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:55:38,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:55:38,609 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-08-21 21:55:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:55:38,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 21:55:38,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:55:38,612 INFO L225 Difference]: With dead ends: 137 [2020-08-21 21:55:38,612 INFO L226 Difference]: Without dead ends: 98 [2020-08-21 21:55:38,614 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 21:55:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-21 21:55:38,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-21 21:55:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-21 21:55:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-08-21 21:55:38,643 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-08-21 21:55:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:55:38,644 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-08-21 21:55:38,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:55:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-08-21 21:55:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 21:55:38,646 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:55:38,646 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] [2020-08-21 21:55:38,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:55:38,647 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:55:38,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:55:38,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2058663948, now seen corresponding path program 1 times [2020-08-21 21:55:38,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:55:38,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808995001] [2020-08-21 21:55:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:55:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,027 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:55:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:55:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:55:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:55:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:55:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:55:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:55:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:55:39,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808995001] [2020-08-21 21:55:39,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:55:39,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:55:39,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785134720] [2020-08-21 21:55:39,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:55:39,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:55:39,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:55:39,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:55:39,136 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-08-21 21:55:39,576 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:55:39,891 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:40,153 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:40,385 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:55:41,096 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-08-21 21:55:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:55:41,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 21:55:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:55:41,101 INFO L225 Difference]: With dead ends: 150 [2020-08-21 21:55:41,101 INFO L226 Difference]: Without dead ends: 98 [2020-08-21 21:55:41,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:55:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-21 21:55:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-21 21:55:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-21 21:55:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-08-21 21:55:41,128 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-08-21 21:55:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:55:41,128 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-08-21 21:55:41,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:55:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-08-21 21:55:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 21:55:41,130 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:55:41,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:55:41,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:55:41,131 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:55:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:55:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1628377793, now seen corresponding path program 1 times [2020-08-21 21:55:41,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:55:41,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579442035] [2020-08-21 21:55:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:55:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,411 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:41,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:55:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:55:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:55:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:55:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:55:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:55:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 21:55:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:55:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:55:41,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579442035] [2020-08-21 21:55:41,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:55:41,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:55:41,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712645570] [2020-08-21 21:55:41,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:55:41,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:55:41,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:55:41,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:55:41,482 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-08-21 21:55:41,855 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:55:42,640 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:42,900 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:43,145 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:43,377 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:55:43,658 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:55:43,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:55:43,951 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2020-08-21 21:55:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:55:43,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-21 21:55:43,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:55:43,959 INFO L225 Difference]: With dead ends: 204 [2020-08-21 21:55:43,959 INFO L226 Difference]: Without dead ends: 152 [2020-08-21 21:55:43,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:55:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-08-21 21:55:43,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2020-08-21 21:55:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-21 21:55:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-08-21 21:55:43,997 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2020-08-21 21:55:43,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:55:43,998 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-08-21 21:55:43,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:55:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-08-21 21:55:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 21:55:44,000 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:55:44,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:55:44,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:55:44,000 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:55:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:55:44,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1482549181, now seen corresponding path program 1 times [2020-08-21 21:55:44,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:55:44,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240870024] [2020-08-21 21:55:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:55:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,286 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:55:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:55:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:55:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:55:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:55:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 21:55:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 21:55:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 21:55:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 21:55:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:55:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:55:44,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240870024] [2020-08-21 21:55:44,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:55:44,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:55:44,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859110603] [2020-08-21 21:55:44,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:55:44,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:55:44,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:55:44,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:55:44,360 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-08-21 21:55:44,788 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:55:45,555 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:45,842 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:46,102 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:55:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:55:46,280 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2020-08-21 21:55:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:55:46,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 21:55:46,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:55:46,281 INFO L225 Difference]: With dead ends: 235 [2020-08-21 21:55:46,282 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:55:46,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:55:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:55:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:55:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:55:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:55:46,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-21 21:55:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:55:46,290 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:55:46,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:55:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:55:46,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:55:46,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:55:46,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:55:46,537 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 15 [2020-08-21 21:55:47,990 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:48,228 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:48,572 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 21:55:48,739 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:49,057 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 21:55:49,212 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:49,380 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:49,699 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-21 21:55:49,893 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:55:50,041 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:55:50,333 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 21:55:50,496 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:55:50,828 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 21:55:50,974 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:55:51,136 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:55:51,330 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:55:51,517 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:55:51,805 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 21:55:51,997 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 21:55:52,001 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 21:55:52,001 INFO L268 CegarLoopResult]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L404(lines 381 405) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2020-08-21 21:55:52,002 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point L465(lines 438 466) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2020-08-21 21:55:52,003 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-21 21:55:52,004 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-08-21 21:55:52,004 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-08-21 21:55:52,004 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-08-21 21:55:52,004 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-08-21 21:55:52,005 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-08-21 21:55:52,005 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-08-21 21:55:52,005 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,005 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,005 INFO L264 CegarLoopResult]: At program point L287-1(line 287) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,006 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,006 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2020-08-21 21:55:52,006 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 281 303) no Hoare annotation was computed. [2020-08-21 21:55:52,006 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2020-08-21 21:55:52,006 INFO L264 CegarLoopResult]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2020-08-21 21:55:52,006 INFO L268 CegarLoopResult]: For program point L291(lines 291 298) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 237 260) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 237 260) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 237 260) no Hoare annotation was computed. [2020-08-21 21:55:52,007 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-08-21 21:55:52,008 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 709 716) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 709 716) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 709 716) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 754 762) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point L770-2(lines 770 778) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-08-21 21:55:52,009 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 763 798) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 763 798) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 763 798) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point L770(lines 770 778) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:55:52,010 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point L638(lines 638 658) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point L644(lines 644 651) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2020-08-21 21:55:52,011 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 743 753) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 743 753) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 743 753) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 735 742) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 735 742) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 735 742) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2020-08-21 21:55:52,012 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2020-08-21 21:55:52,013 INFO L264 CegarLoopResult]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,013 INFO L268 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-08-21 21:55:52,013 INFO L264 CegarLoopResult]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,013 INFO L268 CegarLoopResult]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2020-08-21 21:55:52,013 INFO L268 CegarLoopResult]: For program point L149(lines 148 195) no Hoare annotation was computed. [2020-08-21 21:55:52,013 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,013 INFO L268 CegarLoopResult]: For program point L178(lines 178 191) no Hoare annotation was computed. [2020-08-21 21:55:52,013 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,014 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-08-21 21:55:52,014 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-08-21 21:55:52,014 INFO L264 CegarLoopResult]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,014 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,014 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-08-21 21:55:52,014 INFO L268 CegarLoopResult]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2020-08-21 21:55:52,014 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L264 CegarLoopResult]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point L598(lines 598 605) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2020-08-21 21:55:52,015 INFO L268 CegarLoopResult]: For program point L592(lines 592 612) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 102 124) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point L545(lines 523 546) no Hoare annotation was computed. [2020-08-21 21:55:52,016 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L504(lines 504 520) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L564(lines 564 571) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L525(lines 524 544) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L556-1(line 556) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L521(lines 521 562) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:55:52,017 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point L563(lines 563 574) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-08-21 21:55:52,018 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,019 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)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 718 734) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 718 734) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point L729-1(lines 718 734) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point L725(lines 725 731) no Hoare annotation was computed. [2020-08-21 21:55:52,019 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 125 133) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,020 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L264 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,021 INFO L264 CegarLoopResult]: At program point L689(lines 689 695) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,021 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,021 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point L682(lines 681 700) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2020-08-21 21:55:52,021 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2020-08-21 21:55:52,022 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2020-08-21 21:55:52,022 INFO L268 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-08-21 21:55:52,022 INFO L271 CegarLoopResult]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2020-08-21 21:55:52,022 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-08-21 21:55:52,022 INFO L271 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2020-08-21 21:55:52,022 INFO L271 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: true [2020-08-21 21:55:52,022 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-08-21 21:55:52,022 INFO L271 CegarLoopResult]: At program point L231(lines 206 235) the Hoare annotation is: true [2020-08-21 21:55:52,022 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,023 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 21:55:52,023 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2020-08-21 21:55:52,023 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 799 806) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 21:55:52,024 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 21:55:52,024 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2020-08-21 21:55:52,025 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-08-21 21:55:52,025 INFO L264 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2020-08-21 21:55:52,025 INFO L271 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: true [2020-08-21 21:55:52,025 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-08-21 21:55:52,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:55:52 BoogieIcfgContainer [2020-08-21 21:55:52,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:55:52,044 INFO L168 Benchmark]: Toolchain (without parser) took 18863.17 ms. Allocated memory was 138.4 MB in the beginning and 552.6 MB in the end (delta: 414.2 MB). Free memory was 100.7 MB in the beginning and 506.1 MB in the end (delta: -405.4 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:55:52,048 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 21:55:52,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.6 MB in the end (delta: -72.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:55:52,049 INFO L168 Benchmark]: Boogie Preprocessor took 89.63 ms. Allocated memory is still 202.4 MB. Free memory was 172.6 MB in the beginning and 168.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-21 21:55:52,050 INFO L168 Benchmark]: RCFGBuilder took 1202.28 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 203.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:55:52,051 INFO L168 Benchmark]: TraceAbstraction took 16914.22 ms. Allocated memory was 233.8 MB in the beginning and 552.6 MB in the end (delta: 318.8 MB). Free memory was 203.1 MB in the beginning and 506.1 MB in the end (delta: -303.0 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. [2020-08-21 21:55:52,055 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 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.6 MB in the end (delta: -72.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.63 ms. Allocated memory is still 202.4 MB. Free memory was 172.6 MB in the beginning and 168.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.28 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 203.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16914.22 ms. Allocated memory was 233.8 MB in the beginning and 552.6 MB in the end (delta: 318.8 MB). Free memory was 203.1 MB in the beginning and 506.1 MB in the end (delta: -303.0 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 438 SDslu, 259 SDs, 0 SdLazy, 1170 SolverSat, 269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 617 HoareAnnotationTreeSize, 175 FomulaSimplifications, 28399 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6774 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 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...