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/Problem103_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 00:57:13,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 00:57:13,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 00:57:13,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 00:57:13,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 00:57:13,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 00:57:13,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 00:57:13,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 00:57:13,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 00:57:13,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 00:57:13,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 00:57:13,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 00:57:13,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 00:57:13,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 00:57:13,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 00:57:13,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 00:57:13,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 00:57:13,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 00:57:13,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 00:57:13,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 00:57:13,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 00:57:13,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 00:57:13,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 00:57:13,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 00:57:13,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 00:57:13,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 00:57:13,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 00:57:13,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 00:57:13,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 00:57:13,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 00:57:13,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 00:57:13,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 00:57:13,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 00:57:13,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 00:57:13,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 00:57:13,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 00:57:13,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 00:57:13,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 00:57:13,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 00:57:13,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 00:57:13,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 00:57:13,824 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 00:57:13,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 00:57:13,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 00:57:13,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 00:57:13,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 00:57:13,847 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 00:57:13,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 00:57:13,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 00:57:13,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 00:57:13,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 00:57:13,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 00:57:13,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 00:57:13,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 00:57:13,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 00:57:13,851 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 00:57:13,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 00:57:13,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 00:57:13,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 00:57:13,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 00:57:13,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 00:57:13,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 00:57:13,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 00:57:13,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 00:57:13,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 00:57:13,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 00:57:13,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 00:57:13,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 00:57:13,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 00:57:13,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 00:57:13,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 00:57:13,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 00:57:13,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 00:57:13,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 00:57:13,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 00:57:13,909 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 00:57:13,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem103_label49.c [2019-09-08 00:57:13,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbab60ac/7862ac73b87244559059ac27f5c99e3d/FLAG17c3afa0b [2019-09-08 00:57:18,459 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 00:57:18,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem103_label49.c [2019-09-08 00:57:18,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbab60ac/7862ac73b87244559059ac27f5c99e3d/FLAG17c3afa0b [2019-09-08 00:57:18,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbab60ac/7862ac73b87244559059ac27f5c99e3d [2019-09-08 00:57:18,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 00:57:18,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 00:57:18,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 00:57:18,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 00:57:18,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 00:57:18,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:57:18" (1/1) ... [2019-09-08 00:57:18,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7916dcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:57:18, skipping insertion in model container [2019-09-08 00:57:18,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:57:18" (1/1) ... [2019-09-08 00:57:19,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 00:57:21,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 00:57:51,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:57:51,608 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 00:58:10,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:58:24,907 INFO L192 MainTranslator]: Completed translation [2019-09-08 00:58:24,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24 WrapperNode [2019-09-08 00:58:24,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 00:58:24,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 00:58:24,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 00:58:24,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 00:58:24,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:24,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:25,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:25,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:34,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:34,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:36,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (1/1) ... [2019-09-08 00:58:36,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 00:58:36,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 00:58:36,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 00:58:36,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 00:58:36,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (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 00:58:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 00:58:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 00:58:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-08 00:58:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-08 00:58:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-08 00:58:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-08 00:58:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-08 00:58:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-08 00:58:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-08 00:58:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-08 00:58:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-08 00:58:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-08 00:58:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-08 00:58:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-08 00:58:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-08 00:58:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-08 00:58:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-08 00:58:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-08 00:58:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-08 00:58:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-08 00:58:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-08 00:58:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-08 00:58:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-08 00:58:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-08 00:58:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-08 00:58:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-08 00:58:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 00:58:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-08 00:58:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-08 00:58:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-08 00:58:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-08 00:58:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-08 00:58:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-08 00:58:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-08 00:58:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-08 00:58:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-08 00:58:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-08 00:58:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-08 00:58:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-08 00:58:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-08 00:58:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 00:58:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:00:20,379 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:00:20,379 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 01:00:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:00:20 BoogieIcfgContainer [2019-09-08 01:00:20,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:00:20,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:00:20,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:00:20,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:00:20,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:57:18" (1/3) ... [2019-09-08 01:00:20,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d181d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:00:20, skipping insertion in model container [2019-09-08 01:00:20,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:58:24" (2/3) ... [2019-09-08 01:00:20,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d181d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:00:20, skipping insertion in model container [2019-09-08 01:00:20,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:00:20" (3/3) ... [2019-09-08 01:00:20,401 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem103_label49.c [2019-09-08 01:00:20,411 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:00:20,426 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:00:20,444 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:00:20,535 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:00:20,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:00:20,535 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:00:20,536 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:00:20,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:00:20,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:00:20,536 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:00:20,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:00:20,536 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:00:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20661 states. [2019-09-08 01:00:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16673 [2019-09-08 01:00:24,385 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:00:24,397 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] [2019-09-08 01:00:24,402 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:00:24,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:00:24,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1277514824, now seen corresponding path program 1 times [2019-09-08 01:00:24,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:00:24,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:00:24,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:00:24,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:00:24,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:00:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:05:25,494 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 01:05:25,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:05:25,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:05:25,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:05:25,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:05:25,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:05:25,548 INFO L87 Difference]: Start difference. First operand 20661 states. Second operand 3 states. [2019-09-08 01:07:16,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:07:16,033 INFO L93 Difference]: Finished difference Result 59318 states and 113351 transitions. [2019-09-08 01:07:16,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:07:16,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16672 [2019-09-08 01:07:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:07:16,315 INFO L225 Difference]: With dead ends: 59318 [2019-09-08 01:07:16,315 INFO L226 Difference]: Without dead ends: 38595 [2019-09-08 01:07:16,383 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 77 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:07:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38595 states. [2019-09-08 01:07:17,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38595 to 38202. [2019-09-08 01:07:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38202 states. [2019-09-08 01:07:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38202 states to 38202 states and 70899 transitions. [2019-09-08 01:07:17,677 INFO L78 Accepts]: Start accepts. Automaton has 38202 states and 70899 transitions. Word has length 16672 [2019-09-08 01:07:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:07:17,711 INFO L475 AbstractCegarLoop]: Abstraction has 38202 states and 70899 transitions. [2019-09-08 01:07:17,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:07:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 38202 states and 70899 transitions. [2019-09-08 01:07:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16690 [2019-09-08 01:07:19,686 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:07:19,695 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2019-09-08 01:07:19,696 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:07:19,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:07:19,704 INFO L82 PathProgramCache]: Analyzing trace with hash -10316928, now seen corresponding path program 1 times [2019-09-08 01:07:19,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:07:19,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:07:19,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:07:19,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:07:19,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:07:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:09:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:09:01,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:09:01,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 01:09:01,340 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 01:09:01,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 01:09:01,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 01:09:01,341 INFO L87 Difference]: Start difference. First operand 38202 states and 70899 transitions. Second operand 6 states.