./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4b93fd95db59308ae354d657aad5aa180f9f5d38fe62416b779ec6b4362cc20 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:23:36,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:23:36,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:23:36,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:23:36,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:23:36,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:23:36,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:23:36,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:23:36,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:23:36,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:23:36,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:23:36,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:23:36,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:23:36,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:23:36,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:23:36,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:23:36,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:23:36,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:23:36,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:23:36,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:23:36,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:23:36,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:23:36,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:23:36,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:23:36,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:23:36,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:23:36,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:23:36,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:23:36,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:23:36,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:23:36,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:23:36,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:23:36,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:23:36,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:23:36,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:23:36,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:23:36,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:23:36,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:23:36,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:23:36,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:23:36,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:23:36,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:23:36,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:23:36,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:23:36,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:23:36,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:23:36,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:23:36,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:23:36,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:23:36,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:23:36,796 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:23:36,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:23:36,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:23:36,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:23:36,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:23:36,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:23:36,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:23:36,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:23:36,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:23:36,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:23:36,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:23:36,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:23:36,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:23:36,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b93fd95db59308ae354d657aad5aa180f9f5d38fe62416b779ec6b4362cc20 [2021-12-22 15:23:37,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:23:37,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:23:37,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:23:37,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:23:37,049 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:23:37,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2021-12-22 15:23:37,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f98ee15/f61a8c584b7444d69da8c336f6bb5519/FLAG8de08272a [2021-12-22 15:23:37,882 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:23:37,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2021-12-22 15:23:37,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f98ee15/f61a8c584b7444d69da8c336f6bb5519/FLAG8de08272a [2021-12-22 15:23:38,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f98ee15/f61a8c584b7444d69da8c336f6bb5519 [2021-12-22 15:23:38,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:23:38,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:23:38,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:23:38,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:23:38,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:23:38,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:23:38" (1/1) ... [2021-12-22 15:23:38,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dac547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:38, skipping insertion in model container [2021-12-22 15:23:38,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:23:38" (1/1) ... [2021-12-22 15:23:38,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:23:38,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:23:40,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[460247,460260] [2021-12-22 15:23:40,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:23:40,422 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:23:40,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[460247,460260] [2021-12-22 15:23:40,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:23:41,010 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:23:41,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41 WrapperNode [2021-12-22 15:23:41,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:23:41,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:23:41,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:23:41,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:23:41,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,357 INFO L137 Inliner]: procedures = 281, calls = 4152, calls flagged for inlining = 158, calls inlined = 152, statements flattened = 7036 [2021-12-22 15:23:41,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:23:41,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:23:41,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:23:41,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:23:41,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:23:41,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:23:41,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:23:41,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:23:41,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (1/1) ... [2021-12-22 15:23:41,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:23:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:23:41,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:23:41,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:23:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-12-22 15:23:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-12-22 15:23:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2021-12-22 15:23:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2021-12-22 15:23:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2021-12-22 15:23:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2021-12-22 15:23:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:23:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:23:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2021-12-22 15:23:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2021-12-22 15:23:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:23:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:23:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-22 15:23:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-22 15:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2021-12-22 15:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2021-12-22 15:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2021-12-22 15:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2021-12-22 15:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2021-12-22 15:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2021-12-22 15:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2021-12-22 15:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2021-12-22 15:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2021-12-22 15:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2021-12-22 15:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-12-22 15:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-12-22 15:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2021-12-22 15:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2021-12-22 15:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2021-12-22 15:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2021-12-22 15:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2021-12-22 15:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2021-12-22 15:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2021-12-22 15:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2021-12-22 15:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2021-12-22 15:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2021-12-22 15:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2021-12-22 15:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2021-12-22 15:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2021-12-22 15:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2021-12-22 15:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2021-12-22 15:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2021-12-22 15:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2021-12-22 15:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2021-12-22 15:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2021-12-22 15:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2021-12-22 15:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2021-12-22 15:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2021-12-22 15:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2021-12-22 15:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2021-12-22 15:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2021-12-22 15:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2021-12-22 15:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2021-12-22 15:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2021-12-22 15:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2021-12-22 15:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2021-12-22 15:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-12-22 15:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-12-22 15:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2021-12-22 15:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2021-12-22 15:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2021-12-22 15:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2021-12-22 15:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2021-12-22 15:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2021-12-22 15:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2021-12-22 15:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2021-12-22 15:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 15:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 15:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-12-22 15:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-12-22 15:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2021-12-22 15:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2021-12-22 15:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2021-12-22 15:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2021-12-22 15:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2021-12-22 15:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2021-12-22 15:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-22 15:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-22 15:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2021-12-22 15:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2021-12-22 15:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2021-12-22 15:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2021-12-22 15:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2021-12-22 15:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2021-12-22 15:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2021-12-22 15:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2021-12-22 15:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2021-12-22 15:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-12-22 15:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-12-22 15:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2021-12-22 15:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2021-12-22 15:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2021-12-22 15:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2021-12-22 15:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2021-12-22 15:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2021-12-22 15:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2021-12-22 15:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2021-12-22 15:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2021-12-22 15:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2021-12-22 15:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2021-12-22 15:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2021-12-22 15:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2021-12-22 15:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2021-12-22 15:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2021-12-22 15:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2021-12-22 15:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2021-12-22 15:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2021-12-22 15:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2021-12-22 15:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2021-12-22 15:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2021-12-22 15:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2021-12-22 15:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2021-12-22 15:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2021-12-22 15:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2021-12-22 15:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2021-12-22 15:23:42,573 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:23:42,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:23:42,806 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:23:58,506 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:23:58,837 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:23:58,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:23:58,852 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:23:58,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:23:58 BoogieIcfgContainer [2021-12-22 15:23:58,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:23:58,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:23:58,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:23:58,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:23:58,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:23:38" (1/3) ... [2021-12-22 15:23:58,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44770230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:23:58, skipping insertion in model container [2021-12-22 15:23:58,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:23:41" (2/3) ... [2021-12-22 15:23:58,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44770230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:23:58, skipping insertion in model container [2021-12-22 15:23:58,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:23:58" (3/3) ... [2021-12-22 15:23:58,863 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2021-12-22 15:23:58,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:23:58,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:23:58,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:23:58,924 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:23:58,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:23:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 2394 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) [2021-12-22 15:23:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-12-22 15:23:59,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:23:59,011 INFO L514 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:23:59,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:23:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:23:59,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2145312418, now seen corresponding path program 1 times [2021-12-22 15:23:59,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:23:59,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388100409] [2021-12-22 15:23:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:23:59,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:23:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:23:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:23:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:23:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:23:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:23:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:23:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:23:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:23:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:23:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:24:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:24:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:24:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:24:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:24:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:24:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:24:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:24:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:24:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:24:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:24:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:24:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:24:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:24:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:24:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:24:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:24:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:24:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:24:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:24:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:24:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:24:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:24:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:24:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:24:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:24:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:24:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:24:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:24:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:24:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:24:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:24:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-22 15:24:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-22 15:24:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-22 15:24:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-22 15:24:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-22 15:24:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-22 15:24:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-22 15:24:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-22 15:24:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-22 15:24:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-22 15:24:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-22 15:24:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-22 15:24:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-22 15:24:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-22 15:24:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-22 15:24:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-22 15:24:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11175 trivial. 0 not checked. [2021-12-22 15:24:01,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:24:01,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388100409] [2021-12-22 15:24:01,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388100409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:24:01,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:24:01,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:24:01,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543595771] [2021-12-22 15:24:01,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:24:01,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:24:01,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:24:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:24:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:24:01,378 INFO L87 Difference]: Start difference. First operand has 2394 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-22 15:24:04,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:24:06,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:24:10,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:24:10,843 INFO L93 Difference]: Finished difference Result 6964 states and 10562 transitions. [2021-12-22 15:24:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:24:10,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 579 [2021-12-22 15:24:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:24:10,914 INFO L225 Difference]: With dead ends: 6964 [2021-12-22 15:24:10,914 INFO L226 Difference]: Without dead ends: 4663 [2021-12-22 15:24:10,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:24:10,955 INFO L933 BasicCegarLoop]: 3977 mSDtfsCounter, 3633 mSDsluCounter, 6131 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 1035 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 10108 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:24:10,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3790 Valid, 10108 Invalid, 1880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1035 Valid, 844 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-12-22 15:24:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2021-12-22 15:24:11,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4562. [2021-12-22 15:24:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4562 states, 3468 states have (on average 1.4230103806228374) internal successors, (4935), 3530 states have internal predecessors, (4935), 955 states have call successors, (955), 139 states have call predecessors, (955), 138 states have return successors, (952), 912 states have call predecessors, (952), 952 states have call successors, (952) [2021-12-22 15:24:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 6842 transitions. [2021-12-22 15:24:11,199 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 6842 transitions. Word has length 579 [2021-12-22 15:24:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:24:11,202 INFO L470 AbstractCegarLoop]: Abstraction has 4562 states and 6842 transitions. [2021-12-22 15:24:11,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-22 15:24:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 6842 transitions. [2021-12-22 15:24:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2021-12-22 15:24:11,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:24:11,223 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 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] [2021-12-22 15:24:11,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:24:11,224 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:24:11,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:24:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash -100145442, now seen corresponding path program 1 times [2021-12-22 15:24:11,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:24:11,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329340622] [2021-12-22 15:24:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:24:11,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:24:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:24:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:24:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:24:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:24:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:24:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:24:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:24:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:24:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:24:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:24:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:24:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:24:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:24:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:24:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:24:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:24:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:24:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:24:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:24:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:24:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:24:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:24:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:24:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:24:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:24:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:24:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:24:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:24:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:24:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:24:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:24:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:24:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:24:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:24:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:24:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:24:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-22 15:24:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-22 15:24:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-22 15:24:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-22 15:24:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-22 15:24:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-22 15:24:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-22 15:24:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-22 15:24:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-22 15:24:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-22 15:24:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-22 15:24:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-22 15:24:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-22 15:24:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-22 15:24:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-22 15:24:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-22 15:24:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-22 15:24:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-22 15:24:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-22 15:24:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:24:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-22 15:24:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-22 15:24:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2021-12-22 15:24:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:24:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2021-12-22 15:24:13,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:24:13,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329340622] [2021-12-22 15:24:13,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329340622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:24:13,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:24:13,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:24:13,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446459046] [2021-12-22 15:24:13,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:24:13,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:24:13,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:24:13,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:24:13,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:24:13,513 INFO L87 Difference]: Start difference. First operand 4562 states and 6842 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-22 15:24:17,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:24:21,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:24:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:24:23,459 INFO L93 Difference]: Finished difference Result 4745 states and 7206 transitions. [2021-12-22 15:24:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 15:24:23,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 638 [2021-12-22 15:24:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:24:23,461 INFO L225 Difference]: With dead ends: 4745 [2021-12-22 15:24:23,461 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 15:24:23,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:24:23,488 INFO L933 BasicCegarLoop]: 3512 mSDtfsCounter, 3500 mSDsluCounter, 6012 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 580 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3650 SdHoareTripleChecker+Valid, 9524 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:24:23,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3650 Valid, 9524 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 639 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2021-12-22 15:24:23,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 15:24:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 15:24:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 15:24:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 15:24:23,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 638 [2021-12-22 15:24:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:24:23,492 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 15:24:23,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-22 15:24:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 15:24:23,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 15:24:23,495 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 15:24:23,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:24:23,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.