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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-programs/Problem102_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 00:45:59,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 00:45:59,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 00:45:59,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 00:45:59,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 00:45:59,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 00:45:59,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 00:45:59,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 00:45:59,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 00:45:59,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 00:45:59,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 00:45:59,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 00:45:59,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 00:45:59,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 00:45:59,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 00:45:59,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 00:45:59,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 00:45:59,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 00:45:59,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 00:45:59,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 00:45:59,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 00:45:59,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 00:45:59,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 00:45:59,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 00:45:59,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 00:45:59,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 00:45:59,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 00:45:59,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 00:45:59,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 00:45:59,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 00:45:59,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 00:45:59,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 00:45:59,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 00:45:59,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 00:45:59,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 00:45:59,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 00:45:59,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 00:45:59,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 00:45:59,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 00:45:59,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 00:45:59,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 00:45:59,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 00:45:59,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 00:45:59,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 00:45:59,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 00:45:59,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 00:45:59,755 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 00:45:59,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 00:45:59,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 00:45:59,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 00:45:59,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 00:45:59,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 00:45:59,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 00:45:59,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 00:45:59,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 00:45:59,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 00:45:59,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 00:45:59,759 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 00:45:59,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 00:45:59,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 00:45:59,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 00:45:59,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 00:45:59,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 00:45:59,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 00:45:59,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 00:45:59,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 00:45:59,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 00:45:59,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 00:45:59,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 00:45:59,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 00:45:59,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 00:45:59,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 00:45:59,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 00:45:59,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 00:45:59,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 00:45:59,845 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 00:45:59,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem102_label58.c [2019-09-08 00:45:59,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356f09d84/968f09e8417f4ebe886dbe602a6aa22d/FLAGef1d05290 [2019-09-08 00:46:04,182 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 00:46:04,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem102_label58.c [2019-09-08 00:46:04,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356f09d84/968f09e8417f4ebe886dbe602a6aa22d/FLAGef1d05290 [2019-09-08 00:46:04,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356f09d84/968f09e8417f4ebe886dbe602a6aa22d [2019-09-08 00:46:04,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 00:46:04,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 00:46:04,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 00:46:04,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 00:46:04,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 00:46:04,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:46:04" (1/1) ... [2019-09-08 00:46:04,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bec4b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:46:04, skipping insertion in model container [2019-09-08 00:46:04,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:46:04" (1/1) ... [2019-09-08 00:46:04,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 00:46:06,431 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 00:46:36,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:46:36,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 00:46:54,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:47:05,491 INFO L192 MainTranslator]: Completed translation [2019-09-08 00:47:05,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05 WrapperNode [2019-09-08 00:47:05,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 00:47:05,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 00:47:05,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 00:47:05,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 00:47:05,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:10,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:10,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:12,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:13,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:14,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... [2019-09-08 00:47:15,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 00:47:15,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 00:47:15,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 00:47:15,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 00:47:15,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-08 00:47:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 00:47:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 00:47:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-08 00:47:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-08 00:47:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-08 00:47:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-08 00:47:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-08 00:47:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-08 00:47:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-08 00:47:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-08 00:47:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-08 00:47:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-08 00:47:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-08 00:47:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-08 00:47:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-08 00:47:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-08 00:47:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-08 00:47:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-08 00:47:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-08 00:47:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-08 00:47:15,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-08 00:47:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-08 00:47:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-08 00:47:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-08 00:47:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-08 00:47:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-08 00:47:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-08 00:47:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-08 00:47:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-08 00:47:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-08 00:47:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-08 00:47:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-08 00:47:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 00:47:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 00:47:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 00:49:03,020 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 00:49:03,020 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 00:49:03,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:49:03 BoogieIcfgContainer [2019-09-08 00:49:03,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 00:49:03,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 00:49:03,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 00:49:03,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 00:49:03,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:46:04" (1/3) ... [2019-09-08 00:49:03,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b73a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:49:03, skipping insertion in model container [2019-09-08 00:49:03,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:47:05" (2/3) ... [2019-09-08 00:49:03,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b73a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:49:03, skipping insertion in model container [2019-09-08 00:49:03,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:49:03" (3/3) ... [2019-09-08 00:49:03,043 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem102_label58.c [2019-09-08 00:49:03,054 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 00:49:03,080 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 00:49:03,100 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 00:49:03,202 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 00:49:03,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 00:49:03,203 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 00:49:03,203 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 00:49:03,203 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 00:49:03,203 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 00:49:03,204 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 00:49:03,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 00:49:03,204 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 00:49:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-08 00:49:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18059 [2019-09-08 00:49:06,864 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:49:06,878 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 00:49:06,882 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:49:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:49:06,906 INFO L82 PathProgramCache]: Analyzing trace with hash -44796483, now seen corresponding path program 1 times [2019-09-08 00:49:06,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:49:06,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:49:06,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:49:06,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:49:06,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:49:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:54:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 00:54:14,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:54:14,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 00:54:14,863 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 00:54:14,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 00:54:14,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 00:54:14,881 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 3 states. [2019-09-08 00:56:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 00:56:05,481 INFO L93 Difference]: Finished difference Result 66556 states and 126056 transitions. [2019-09-08 00:56:05,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 00:56:05,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18058 [2019-09-08 00:56:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 00:56:05,798 INFO L225 Difference]: With dead ends: 66556 [2019-09-08 00:56:05,799 INFO L226 Difference]: Without dead ends: 42946 [2019-09-08 00:56:05,865 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 00:56:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42946 states. [2019-09-08 00:56:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42946 to 42680. [2019-09-08 00:56:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42680 states. [2019-09-08 00:56:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42680 states to 42680 states and 78378 transitions. [2019-09-08 00:56:07,172 INFO L78 Accepts]: Start accepts. Automaton has 42680 states and 78378 transitions. Word has length 18058 [2019-09-08 00:56:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 00:56:07,210 INFO L475 AbstractCegarLoop]: Abstraction has 42680 states and 78378 transitions. [2019-09-08 00:56:07,210 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 00:56:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42680 states and 78378 transitions. [2019-09-08 00:56:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18072 [2019-09-08 00:56:09,572 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:56:09,581 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 00:56:09,582 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:56:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:56:09,591 INFO L82 PathProgramCache]: Analyzing trace with hash 491668277, now seen corresponding path program 1 times [2019-09-08 00:56:09,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:56:09,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:56:09,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:56:09,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:56:09,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:56:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:57:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 00:57:53,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:57:53,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 00:57:53,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 00:57:53,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 00:57:53,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 00:57:53,145 INFO L87 Difference]: Start difference. First operand 42680 states and 78378 transitions. Second operand 6 states.