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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 00:06:34,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 00:06:34,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 00:06:34,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 00:06:34,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 00:06:34,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 00:06:34,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 00:06:34,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 00:06:34,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 00:06:34,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 00:06:34,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 00:06:34,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 00:06:34,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 00:06:34,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 00:06:34,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 00:06:34,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 00:06:34,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 00:06:34,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 00:06:34,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 00:06:34,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 00:06:34,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 00:06:34,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 00:06:34,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 00:06:34,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 00:06:34,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 00:06:34,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 00:06:34,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 00:06:34,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 00:06:34,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 00:06:34,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 00:06:34,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 00:06:34,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 00:06:34,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 00:06:34,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 00:06:34,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 00:06:34,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 00:06:34,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 00:06:34,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 00:06:34,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 00:06:34,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 00:06:34,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 00:06:34,909 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 00:06:34,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 00:06:34,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 00:06:34,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 00:06:34,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 00:06:34,925 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 00:06:34,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 00:06:34,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 00:06:34,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 00:06:34,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 00:06:34,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 00:06:34,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 00:06:34,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 00:06:34,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 00:06:34,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 00:06:34,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 00:06:34,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 00:06:34,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 00:06:34,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 00:06:34,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 00:06:34,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 00:06:34,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 00:06:34,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 00:06:34,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 00:06:34,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 00:06:34,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 00:06:34,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 00:06:34,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 00:06:34,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 00:06:34,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 00:06:34,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 00:06:34,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 00:06:34,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 00:06:34,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 00:06:34,979 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 00:06:34,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem102_label12.c [2019-09-08 00:06:35,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7254a0fb/79c5876dea424fee8029aa8cd4fe349e/FLAG15069b325 [2019-09-08 00:06:39,376 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 00:06:39,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem102_label12.c [2019-09-08 00:06:39,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7254a0fb/79c5876dea424fee8029aa8cd4fe349e/FLAG15069b325 [2019-09-08 00:06:39,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7254a0fb/79c5876dea424fee8029aa8cd4fe349e [2019-09-08 00:06:39,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 00:06:39,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 00:06:39,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 00:06:39,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 00:06:39,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 00:06:39,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:06:39" (1/1) ... [2019-09-08 00:06:40,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cb8da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:06:39, skipping insertion in model container [2019-09-08 00:06:40,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:06:39" (1/1) ... [2019-09-08 00:06:40,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 00:06:41,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 00:07:10,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:07:10,107 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 00:07:30,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 00:07:42,014 INFO L192 MainTranslator]: Completed translation [2019-09-08 00:07:42,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42 WrapperNode [2019-09-08 00:07:42,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 00:07:42,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 00:07:42,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 00:07:42,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 00:07:42,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:42,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:42,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:42,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:46,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:47,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:47,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (1/1) ... [2019-09-08 00:07:48,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 00:07:48,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 00:07:48,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 00:07:48,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 00:07:48,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (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 00:07:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 00:07:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 00:07:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-08 00:07:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-08 00:07:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-08 00:07:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2019-09-08 00:07:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2019-09-08 00:07:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2019-09-08 00:07:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2019-09-08 00:07:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2019-09-08 00:07:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2019-09-08 00:07:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2019-09-08 00:07:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2019-09-08 00:07:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2019-09-08 00:07:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2019-09-08 00:07:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2019-09-08 00:07:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2019-09-08 00:07:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2019-09-08 00:07:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2019-09-08 00:07:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2019-09-08 00:07:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2019-09-08 00:07:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2019-09-08 00:07:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2019-09-08 00:07:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2019-09-08 00:07:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output47 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output48 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output49 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output50 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output51 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output52 [2019-09-08 00:07:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output53 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output54 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output55 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output56 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output57 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output58 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output59 [2019-09-08 00:07:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output60 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output61 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output62 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output63 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output64 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output65 [2019-09-08 00:07:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output66 [2019-09-08 00:07:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output67 [2019-09-08 00:07:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output68 [2019-09-08 00:07:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output69 [2019-09-08 00:07:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output70 [2019-09-08 00:07:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output71 [2019-09-08 00:07:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output72 [2019-09-08 00:07:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output73 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output74 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output75 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output76 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output77 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output78 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output79 [2019-09-08 00:07:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output80 [2019-09-08 00:07:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output81 [2019-09-08 00:07:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output82 [2019-09-08 00:07:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 00:07:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-08 00:07:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-08 00:07:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-08 00:07:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-08 00:07:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2019-09-08 00:07:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2019-09-08 00:07:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2019-09-08 00:07:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2019-09-08 00:07:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2019-09-08 00:07:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2019-09-08 00:07:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2019-09-08 00:07:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2019-09-08 00:07:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2019-09-08 00:07:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2019-09-08 00:07:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2019-09-08 00:07:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2019-09-08 00:07:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2019-09-08 00:07:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2019-09-08 00:07:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2019-09-08 00:07:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2019-09-08 00:07:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2019-09-08 00:07:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2019-09-08 00:07:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2019-09-08 00:07:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output47 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output48 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output49 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output50 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output51 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output52 [2019-09-08 00:07:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output53 [2019-09-08 00:07:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output54 [2019-09-08 00:07:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output55 [2019-09-08 00:07:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output56 [2019-09-08 00:07:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output57 [2019-09-08 00:07:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output58 [2019-09-08 00:07:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output59 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output60 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output61 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output62 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output63 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output64 [2019-09-08 00:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output65 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output66 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output67 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output68 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output69 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output70 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output71 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output72 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output73 [2019-09-08 00:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output74 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output75 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output76 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output77 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output78 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output79 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output80 [2019-09-08 00:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output81 [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output82 [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 00:07:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 00:09:21,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 00:09:21,410 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 00:09:21,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:09:21 BoogieIcfgContainer [2019-09-08 00:09:21,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 00:09:21,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 00:09:21,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 00:09:21,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 00:09:21,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:06:39" (1/3) ... [2019-09-08 00:09:21,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a5a94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:09:21, skipping insertion in model container [2019-09-08 00:09:21,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:07:42" (2/3) ... [2019-09-08 00:09:21,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a5a94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:09:21, skipping insertion in model container [2019-09-08 00:09:21,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:09:21" (3/3) ... [2019-09-08 00:09:21,428 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem102_label12.c [2019-09-08 00:09:21,436 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 00:09:21,452 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 00:09:21,470 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 00:09:21,577 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 00:09:21,578 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 00:09:21,578 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 00:09:21,579 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 00:09:21,579 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 00:09:21,579 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 00:09:21,579 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 00:09:21,579 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 00:09:21,579 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 00:09:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 23548 states. [2019-09-08 00:09:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18064 [2019-09-08 00:09:24,964 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:09:24,977 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, 1, 1, 1, 1, 1] [2019-09-08 00:09:24,982 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:09:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:09:25,001 INFO L82 PathProgramCache]: Analyzing trace with hash -2069541515, now seen corresponding path program 1 times [2019-09-08 00:09:25,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:09:25,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:09:25,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:09:25,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:09:25,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:09:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 00:14:28,769 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 00:14:28,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 00:14:28,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 00:14:28,805 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 00:14:28,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 00:14:28,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 00:14:28,824 INFO L87 Difference]: Start difference. First operand 23548 states. Second operand 4 states. [2019-09-08 00:17:05,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 00:17:05,917 INFO L93 Difference]: Finished difference Result 85919 states and 164178 transitions. [2019-09-08 00:17:05,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 00:17:05,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18063 [2019-09-08 00:17:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 00:17:06,273 INFO L225 Difference]: With dead ends: 85919 [2019-09-08 00:17:06,273 INFO L226 Difference]: Without dead ends: 62305 [2019-09-08 00:17:06,335 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 2 SyntacticMatches, 83 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 00:17:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62305 states. [2019-09-08 00:17:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62305 to 42841. [2019-09-08 00:17:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42841 states. [2019-09-08 00:17:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42841 states to 42841 states and 76905 transitions. [2019-09-08 00:17:07,646 INFO L78 Accepts]: Start accepts. Automaton has 42841 states and 76905 transitions. Word has length 18063 [2019-09-08 00:17:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 00:17:07,696 INFO L475 AbstractCegarLoop]: Abstraction has 42841 states and 76905 transitions. [2019-09-08 00:17:07,696 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 00:17:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42841 states and 76905 transitions. [2019-09-08 00:17:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18073 [2019-09-08 00:17:10,101 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 00:17:10,110 INFO L399 BasicCegarLoop]: trace histogram [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, 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] [2019-09-08 00:17:10,111 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 00:17:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 00:17:10,119 INFO L82 PathProgramCache]: Analyzing trace with hash -346358283, now seen corresponding path program 1 times [2019-09-08 00:17:10,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 00:17:10,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 00:17:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:17:10,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 00:17:10,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 00:17:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat