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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 12:39:23,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 12:39:23,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 12:39:23,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 12:39:23,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 12:39:23,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 12:39:23,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 12:39:23,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 12:39:23,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 12:39:23,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 12:39:23,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 12:39:23,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 12:39:23,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 12:39:23,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 12:39:23,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 12:39:23,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 12:39:23,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 12:39:23,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 12:39:23,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 12:39:23,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 12:39:23,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 12:39:23,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 12:39:23,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 12:39:23,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 12:39:23,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-09 12:39:23,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-09 12:39:23,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-09 12:39:23,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-09 12:39:23,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-09 12:39:23,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-09 12:39:23,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 12:39:23,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 12:39:23,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 12:39:23,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 12:39:23,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 12:39:23,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 12:39:23,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 12:39:23,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 12:39:23,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 12:39:23,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 12:39:23,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 12:39:23,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 12:39:23,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 12:39:23,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 12:39:23,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 12:39:23,731 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 12:39:23,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 12:39:23,732 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 12:39:23,732 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 12:39:23,732 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 12:39:23,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 12:39:23,732 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 12:39:23,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 12:39:23,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 12:39:23,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 12:39:23,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 12:39:23,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 12:39:23,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 12:39:23,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 12:39:23,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 12:39:23,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 12:39:23,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 12:39:23,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 12:39:23,735 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 12:39:23,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 12:39:23,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 12:39:23,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 12:39:23,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 12:39:23,736 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 12:39:23,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 12:39:23,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 12:39:23,737 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 12:39:23,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 12:39:23,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 12:39:23,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 12:39:23,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 12:39:23,797 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 12:39:23,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label24.c [2019-09-09 12:39:23,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52e5a30a/67666a773f30425db3b053d8f8479602/FLAGb08f0e6f9 [2019-09-09 12:39:27,566 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 12:39:27,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label24.c [2019-09-09 12:39:27,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52e5a30a/67666a773f30425db3b053d8f8479602/FLAGb08f0e6f9 [2019-09-09 12:39:28,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52e5a30a/67666a773f30425db3b053d8f8479602 [2019-09-09 12:39:28,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 12:39:28,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 12:39:28,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 12:39:28,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 12:39:28,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 12:39:28,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 12:39:28" (1/1) ... [2019-09-09 12:39:28,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7064d033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:39:28, skipping insertion in model container [2019-09-09 12:39:28,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 12:39:28" (1/1) ... [2019-09-09 12:39:28,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 12:39:29,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 12:39:54,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 12:39:54,635 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 12:40:15,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 12:40:26,514 INFO L192 MainTranslator]: Completed translation [2019-09-09 12:40:26,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26 WrapperNode [2019-09-09 12:40:26,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 12:40:26,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 12:40:26,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 12:40:26,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 12:40:26,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:26,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:27,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:27,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:29,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:30,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:32,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (1/1) ... [2019-09-09 12:40:32,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 12:40:32,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 12:40:32,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 12:40:32,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 12:40:32,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (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 [2019-09-09 12:40:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 12:40:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 12:40:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-09 12:40:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-09 12:40:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-09 12:40:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-09 12:40:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-09 12:40:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-09 12:40:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-09 12:40:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-09 12:40:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-09 12:40:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-09 12:40:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-09 12:40:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-09 12:40:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-09 12:40:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-09 12:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-09 12:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-09 12:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-09 12:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-09 12:40:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-09 12:40:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-09 12:40:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-09 12:40:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-09 12:40:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-09 12:40:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-09 12:40:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-09 12:40:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-09 12:40:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-09 12:40:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-09 12:40:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-09 12:40:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-09 12:40:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-09 12:40:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-09 12:40:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-09 12:40:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-09 12:40:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-09 12:40:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-09 12:40:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-09 12:40:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-09 12:40:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-09 12:40:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-09 12:40:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-09 12:40:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-09 12:40:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-09 12:40:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-09 12:40:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-09 12:40:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-09 12:40:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-09 12:40:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-09 12:40:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-09 12:40:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-09 12:40:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-09 12:40:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-09 12:40:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-09 12:40:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-09 12:40:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-09 12:40:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-09 12:40:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 12:40:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-09 12:40:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-09 12:40:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-09 12:40:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-09 12:40:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-09 12:40:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-09 12:40:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-09 12:40:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-09 12:40:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-09 12:40:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-09 12:40:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-09 12:40:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-09 12:40:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-09 12:40:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-09 12:40:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-09 12:40:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-09 12:40:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-09 12:40:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-09 12:40:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-09 12:40:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-09 12:40:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-09 12:40:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-09 12:40:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-09 12:40:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-09 12:40:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-09 12:40:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-09 12:40:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-09 12:40:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-09 12:40:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-09 12:40:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-09 12:40:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-09 12:40:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-09 12:40:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-09 12:40:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-09 12:40:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-09 12:40:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-09 12:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-09 12:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-09 12:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-09 12:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-09 12:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-09 12:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-09 12:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-09 12:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-09 12:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 12:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 12:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 12:42:07,743 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 12:42:07,744 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-09 12:42:07,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 12:42:07 BoogieIcfgContainer [2019-09-09 12:42:07,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 12:42:07,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 12:42:07,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 12:42:07,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 12:42:07,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 12:39:28" (1/3) ... [2019-09-09 12:42:07,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f355a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 12:42:07, skipping insertion in model container [2019-09-09 12:42:07,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 12:40:26" (2/3) ... [2019-09-09 12:42:07,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f355a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 12:42:07, skipping insertion in model container [2019-09-09 12:42:07,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 12:42:07" (3/3) ... [2019-09-09 12:42:07,765 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem08_label24.c [2019-09-09 12:42:07,776 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 12:42:07,792 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 12:42:07,810 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 12:42:07,837 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 12:42:07,837 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 12:42:07,838 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 12:42:07,838 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 12:42:07,838 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 12:42:07,838 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 12:42:07,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 12:42:07,838 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 12:42:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-09 12:42:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18042 [2019-09-09 12:42:11,789 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 12:42:11,802 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] [2019-09-09 12:42:11,806 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 12:42:11,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 12:42:11,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1556179229, now seen corresponding path program 1 times [2019-09-09 12:42:11,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 12:42:11,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:42:11,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 12:42:11,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:42:11,874 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 12:42:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 12:47:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 12:47:25,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 12:47:25,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 12:47:25,120 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 12:47:25,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 12:47:25,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 12:47:25,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 12:47:25,166 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 3 states. [2019-09-09 12:49:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 12:49:12,039 INFO L93 Difference]: Finished difference Result 43158 states and 72840 transitions. [2019-09-09 12:49:12,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 12:49:12,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18041 [2019-09-09 12:49:12,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 12:49:12,385 INFO L225 Difference]: With dead ends: 43158 [2019-09-09 12:49:12,385 INFO L226 Difference]: Without dead ends: 43090 [2019-09-09 12:49:12,389 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 83 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 12:49:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43090 states. [2019-09-09 12:49:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43090 to 43034. [2019-09-09 12:49:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43034 states. [2019-09-09 12:49:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43034 states to 43034 states and 72639 transitions. [2019-09-09 12:49:13,935 INFO L78 Accepts]: Start accepts. Automaton has 43034 states and 72639 transitions. Word has length 18041 [2019-09-09 12:49:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 12:49:13,974 INFO L475 AbstractCegarLoop]: Abstraction has 43034 states and 72639 transitions. [2019-09-09 12:49:13,974 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 12:49:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 43034 states and 72639 transitions. [2019-09-09 12:49:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18050 [2019-09-09 12:49:16,706 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 12:49:16,717 INFO L399 BasicCegarLoop]: trace histogram [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, 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] [2019-09-09 12:49:16,718 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 12:49:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 12:49:16,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1418993203, now seen corresponding path program 1 times [2019-09-09 12:49:16,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 12:49:16,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:49:16,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 12:49:16,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 12:49:16,738 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 12:49:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 12:51:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 12:51:15,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 12:51:15,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 12:51:15,242 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 12:51:15,262 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 12:51:15,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 12:51:15,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 12:51:15,264 INFO L87 Difference]: Start difference. First operand 43034 states and 72639 transitions. Second operand 5 states.