./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0 --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 d593cb259f20aa9be3f3239c5f8f32160aefa50b46e3becfd823801c12116e6f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:04:16,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:04:16,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:04:16,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:04:16,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:04:16,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:04:16,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:04:16,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:04:16,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:04:16,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:04:16,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:04:16,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:04:16,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:04:16,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:04:16,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:04:16,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:04:16,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:04:16,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:04:16,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:04:16,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:04:16,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:04:16,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:04:16,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:04:16,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:04:16,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:04:16,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:04:16,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:04:16,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:04:16,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:04:16,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:04:16,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:04:16,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:04:16,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:04:16,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:04:16,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:04:16,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:04:16,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:04:16,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:04:16,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:04:16,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:04:16,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:04:16,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 15:04:16,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:04:16,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:04:16,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:04:16,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:04:16,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:04:16,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:04:16,178 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:04:16,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:04:16,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:04:16,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:04:16,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:04:16,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:04:16,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:04:16,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:04:16,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:04:16,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:04:16,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:04:16,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:04:16,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:04:16,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:16,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:04:16,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:04:16,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:04:16,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:04:16,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:04:16,183 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:04:16,183 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:04:16,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:04:16,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:04:16,184 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d593cb259f20aa9be3f3239c5f8f32160aefa50b46e3becfd823801c12116e6f [2021-11-22 15:04:16,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:04:16,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:04:16,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:04:16,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:04:16,533 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:04:16,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-22 15:04:16,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/data/0d95e26a4/a2ec62166b41429f954ea04375413964/FLAG51007aaaf [2021-11-22 15:04:17,938 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:04:17,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-22 15:04:18,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/data/0d95e26a4/a2ec62166b41429f954ea04375413964/FLAG51007aaaf [2021-11-22 15:04:18,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/data/0d95e26a4/a2ec62166b41429f954ea04375413964 [2021-11-22 15:04:18,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:04:18,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:04:18,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:18,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:04:18,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:04:18,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:18" (1/1) ... [2021-11-22 15:04:18,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106e963f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:18, skipping insertion in model container [2021-11-22 15:04:18,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:18" (1/1) ... [2021-11-22 15:04:18,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:04:18,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:04:27,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661460,661473] [2021-11-22 15:04:27,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661607,661620] [2021-11-22 15:04:27,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661746,661759] [2021-11-22 15:04:27,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661904,661917] [2021-11-22 15:04:27,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:27,873 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:04:29,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661460,661473] [2021-11-22 15:04:29,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661607,661620] [2021-11-22 15:04:29,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661746,661759] [2021-11-22 15:04:29,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661904,661917] [2021-11-22 15:04:29,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:29,618 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:04:29,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29 WrapperNode [2021-11-22 15:04:29,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:29,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:29,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:04:29,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:04:29,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:29,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:31,204 INFO L137 Inliner]: procedures = 861, calls = 6047, calls flagged for inlining = 1623, calls inlined = 3196, statements flattened = 39708 [2021-11-22 15:04:31,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:31,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:04:31,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:04:31,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:04:31,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:31,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:31,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:31,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:33,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:33,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:33,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:33,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:04:33,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:04:33,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:04:33,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:04:33,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (1/1) ... [2021-11-22 15:04:33,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:33,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:33,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:04:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb16f25-a8b2-4d2f-bcf0-2322a6a97fc7/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:04:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_2_hw_phy_config [2021-11-22 15:04:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_2_hw_phy_config [2021-11-22 15:04:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_2_hw_phy_config [2021-11-22 15:04:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_2_hw_phy_config [2021-11-22 15:04:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_enable [2021-11-22 15:04:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_enable [2021-11-22 15:04:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_patchphy [2021-11-22 15:04:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_patchphy [2021-11-22 15:04:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config [2021-11-22 15:04:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config [2021-11-22 15:04:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_work [2021-11-22 15:04:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_work [2021-11-22 15:04:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_remove_one [2021-11-22 15:04:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_remove_one [2021-11-22 15:04:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_down [2021-11-22 15:04:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_down [2021-11-22 15:04:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_close [2021-11-22 15:04:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_close [2021-11-22 15:04:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_reset [2021-11-22 15:04:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_reset [2021-11-22 15:04:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_write [2021-11-22 15:04:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_write [2021-11-22 15:04:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_27 [2021-11-22 15:04:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_27 [2021-11-22 15:04:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_generic_op [2021-11-22 15:04:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_generic_op [2021-11-22 15:04:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_3_hw_phy_config [2021-11-22 15:04:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_3_hw_phy_config [2021-11-22 15:04:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_driver_stop [2021-11-22 15:04:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_driver_stop [2021-11-22 15:04:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8106e_hw_phy_config [2021-11-22 15:04:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8106e_hw_phy_config [2021-11-22 15:04:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_read [2021-11-22 15:04:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_read [2021-11-22 15:04:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_access [2021-11-22 15:04:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_access [2021-11-22 15:04:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_2 [2021-11-22 15:04:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_2 [2021-11-22 15:04:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_1 [2021-11-22 15:04:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_1 [2021-11-22 15:04:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_read [2021-11-22 15:04:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_read [2021-11-22 15:04:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_1_hw_phy_config [2021-11-22 15:04:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_1_hw_phy_config [2021-11-22 15:04:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_1_hw_phy_config [2021-11-22 15:04:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_1_hw_phy_config [2021-11-22 15:04:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_write [2021-11-22 15:04:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_write [2021-11-22 15:04:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bef_hw_phy_config [2021-11-22 15:04:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bef_hw_phy_config [2021-11-22 15:04:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_down [2021-11-22 15:04:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_down [2021-11-22 15:04:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:04:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_read [2021-11-22 15:04:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_read [2021-11-22 15:04:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_wol_pll_power_down [2021-11-22 15:04:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_wol_pll_power_down [2021-11-22 15:04:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:04:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_change_mtu [2021-11-22 15:04:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_change_mtu [2021-11-22 15:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write [2021-11-22 15:04:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write [2021-11-22 15:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_write [2021-11-22 15:04:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_write [2021-11-22 15:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_hw_phy_config [2021-11-22 15:04:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_hw_phy_config [2021-11-22 15:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_resume [2021-11-22 15:04:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_resume [2021-11-22 15:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_3 [2021-11-22 15:04:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_3 [2021-11-22 15:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_4_hw_phy_config [2021-11-22 15:04:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_4_hw_phy_config [2021-11-22 15:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_1 [2021-11-22 15:04:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_1 [2021-11-22 15:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_2 [2021-11-22 15:04:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_2 [2021-11-22 15:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:04:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 15:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_enable [2021-11-22 15:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_enable [2021-11-22 15:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d_4 [2021-11-22 15:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d_4 [2021-11-22 15:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168dp [2021-11-22 15:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168dp [2021-11-22 15:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_read [2021-11-22 15:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_read [2021-11-22 15:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_1_hw_phy_config [2021-11-22 15:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_1_hw_phy_config [2021-11-22 15:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_suspend [2021-11-22 15:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_suspend [2021-11-22 15:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_1 [2021-11-22 15:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_1 [2021-11-22 15:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_set [2021-11-22 15:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_set [2021-11-22 15:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_2 [2021-11-22 15:04:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_2 [2021-11-22 15:04:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_read [2021-11-22 15:04:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_read [2021-11-22 15:04:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:04:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_init_phy [2021-11-22 15:04:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_init_phy [2021-11-22 15:04:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware [2021-11-22 15:04:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware [2021-11-22 15:04:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_check_dash [2021-11-22 15:04:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_check_dash [2021-11-22 15:04:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:04:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_phy_reset [2021-11-22 15:04:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_phy_reset [2021-11-22 15:04:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f_1 [2021-11-22 15:04:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f_1 [2021-11-22 15:04:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_read [2021-11-22 15:04:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_read [2021-11-22 15:04:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy_batch [2021-11-22 15:04:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy_batch [2021-11-22 15:04:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_write_fw [2021-11-22 15:04:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_write_fw [2021-11-22 15:04:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read [2021-11-22 15:04:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read [2021-11-22 15:04:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_suspend [2021-11-22 15:04:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_suspend [2021-11-22 15:04:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_write [2021-11-22 15:04:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_write [2021-11-22 15:04:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_speed_down [2021-11-22 15:04:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_speed_down [2021-11-22 15:04:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_check_link_status [2021-11-22 15:04:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_check_link_status [2021-11-22 15:04:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_4_hw_phy_config [2021-11-22 15:04:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_4_hw_phy_config [2021-11-22 15:04:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:04:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_up [2021-11-22 15:04:33,979 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_up [2021-11-22 15:04:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_reset_cond_check [2021-11-22 15:04:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_reset_cond_check [2021-11-22 15:04:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_write [2021-11-22 15:04:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_write [2021-11-22 15:04:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_read [2021-11-22 15:04:33,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_read [2021-11-22 15:04:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_resume [2021-11-22 15:04:33,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_resume [2021-11-22 15:04:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_write [2021-11-22 15:04:33,982 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_write [2021-11-22 15:04:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_resume [2021-11-22 15:04:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_resume [2021-11-22 15:04:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_shutdown [2021-11-22 15:04:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_shutdown [2021-11-22 15:04:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sb_hw_phy_config [2021-11-22 15:04:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sb_hw_phy_config [2021-11-22 15:04:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_disable [2021-11-22 15:04:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_disable [2021-11-22 15:04:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sce_hw_phy_config [2021-11-22 15:04:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sce_hw_phy_config [2021-11-22 15:04:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_up [2021-11-22 15:04:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_up [2021-11-22 15:04:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-22 15:04:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-22 15:04:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config_quirk [2021-11-22 15:04:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config_quirk [2021-11-22 15:04:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_net_suspend [2021-11-22 15:04:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_net_suspend [2021-11-22 15:04:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_down [2021-11-22 15:04:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_down [2021-11-22 15:04:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_oob_notify [2021-11-22 15:04:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_oob_notify [2021-11-22 15:04:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_high [2021-11-22 15:04:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_high [2021-11-22 15:04:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy [2021-11-22 15:04:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy [2021-11-22 15:04:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_phy_config [2021-11-22 15:04:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_phy_config [2021-11-22 15:04:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_efuse_read [2021-11-22 15:04:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_efuse_read [2021-11-22 15:04:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8105e_hw_phy_config [2021-11-22 15:04:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8105e_hw_phy_config [2021-11-22 15:04:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_phy [2021-11-22 15:04:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_phy [2021-11-22 15:04:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411 [2021-11-22 15:04:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411 [2021-11-22 15:04:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8402_hw_phy_config [2021-11-22 15:04:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8402_hw_phy_config [2021-11-22 15:04:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_eri [2021-11-22 15:04:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_eri [2021-11-22 15:04:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8402 [2021-11-22 15:04:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8402 [2021-11-22 15:04:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:04:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_30_2 [2021-11-22 15:04:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_30_2 [2021-11-22 15:04:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_pcierr_interrupt [2021-11-22 15:04:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_pcierr_interrupt [2021-11-22 15:04:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f [2021-11-22 15:04:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f [2021-11-22 15:04:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d [2021-11-22 15:04:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d [2021-11-22 15:04:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ocp_read_cond_check [2021-11-22 15:04:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ocp_read_cond_check [2021-11-22 15:04:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_read [2021-11-22 15:04:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_read [2021-11-22 15:04:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_loop_wait [2021-11-22 15:04:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_loop_wait [2021-11-22 15:04:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_exgmac_set [2021-11-22 15:04:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_exgmac_set [2021-11-22 15:04:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 15:04:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_read [2021-11-22 15:04:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_read [2021-11-22 15:04:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_reset_work [2021-11-22 15:04:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_reset_work [2021-11-22 15:04:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-22 15:04:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-22 15:04:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-22 15:04:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-22 15:04:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed [2021-11-22 15:04:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed [2021-11-22 15:04:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 15:04:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_1_hw_phy_config [2021-11-22 15:04:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_1_hw_phy_config [2021-11-22 15:04:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_1_hw_phy_config [2021-11-22 15:04:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_1_hw_phy_config [2021-11-22 15:04:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_init [2021-11-22 15:04:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_init [2021-11-22 15:04:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_up [2021-11-22 15:04:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_up [2021-11-22 15:04:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_write [2021-11-22 15:04:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_write [2021-11-22 15:04:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_up [2021-11-22 15:04:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_up [2021-11-22 15:04:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_write [2021-11-22 15:04:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_write [2021-11-22 15:04:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_down [2021-11-22 15:04:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_down [2021-11-22 15:04:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 15:04:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 15:04:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:04:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:04:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_up [2021-11-22 15:04:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_up [2021-11-22 15:04:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_2_hw_phy_config [2021-11-22 15:04:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_2_hw_phy_config [2021-11-22 15:04:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_2_hw_phy_config [2021-11-22 15:04:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_2_hw_phy_config [2021-11-22 15:04:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_2_hw_phy_config [2021-11-22 15:04:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_2_hw_phy_config [2021-11-22 15:04:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_1_hw_phy_config [2021-11-22 15:04:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_1_hw_phy_config [2021-11-22 15:04:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_3_hw_phy_config [2021-11-22 15:04:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_3_hw_phy_config [2021-11-22 15:04:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411_2 [2021-11-22 15:04:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411_2 [2021-11-22 15:04:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_write [2021-11-22 15:04:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_write [2021-11-22 15:04:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-22 15:04:34,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 15:04:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_read [2021-11-22 15:04:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_read [2021-11-22 15:04:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168 [2021-11-22 15:04:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168 [2021-11-22 15:04:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169s_hw_phy_config [2021-11-22 15:04:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169s_hw_phy_config [2021-11-22 15:04:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_msleep_loop_wait_low [2021-11-22 15:04:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_msleep_loop_wait_low [2021-11-22 15:04:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_write [2021-11-22 15:04:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_write [2021-11-22 15:04:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_1 [2021-11-22 15:04:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_1 [2021-11-22 15:04:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_2 [2021-11-22 15:04:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_2 [2021-11-22 15:04:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_task [2021-11-22 15:04:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_task [2021-11-22 15:04:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-22 15:04:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-22 15:04:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8102e_hw_phy_config [2021-11-22 15:04:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8102e_hw_phy_config [2021-11-22 15:04:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-22 15:04:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-22 15:04:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_open [2021-11-22 15:04:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_open [2021-11-22 15:04:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_get_settings [2021-11-22 15:04:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_get_settings [2021-11-22 15:04:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_update_counters [2021-11-22 15:04:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_update_counters [2021-11-22 15:04:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:04:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_write [2021-11-22 15:04:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_write [2021-11-22 15:04:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_down [2021-11-22 15:04:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_down [2021-11-22 15:04:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_1 [2021-11-22 15:04:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_1 [2021-11-22 15:04:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_2 [2021-11-22 15:04:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_2 [2021-11-22 15:04:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_1 [2021-11-22 15:04:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_1 [2021-11-22 15:04:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_2 [2021-11-22 15:04:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_2 [2021-11-22 15:04:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_3 [2021-11-22 15:04:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_3 [2021-11-22 15:04:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bb_hw_phy_config [2021-11-22 15:04:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bb_hw_phy_config [2021-11-22 15:04:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start [2021-11-22 15:04:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start [2021-11-22 15:04:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-22 15:04:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-22 15:04:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_low [2021-11-22 15:04:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_low [2021-11-22 15:04:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed_xmii [2021-11-22 15:04:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed_xmii [2021-11-22 15:04:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_exgmac_batch [2021-11-22 15:04:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_exgmac_batch [2021-11-22 15:04:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8411_hw_phy_config [2021-11-22 15:04:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8411_hw_phy_config [2021-11-22 15:04:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_2_hw_phy_config [2021-11-22 15:04:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_2_hw_phy_config [2021-11-22 15:04:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_slow_event_work [2021-11-22 15:04:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_slow_event_work [2021-11-22 15:04:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_down [2021-11-22 15:04:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_down [2021-11-22 15:04:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_read [2021-11-22 15:04:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_read [2021-11-22 15:04:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_pending [2021-11-22 15:04:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_pending [2021-11-22 15:04:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_readphy [2021-11-22 15:04:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_readphy [2021-11-22 15:04:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_link_chg_patch [2021-11-22 15:04:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_link_chg_patch [2021-11-22 15:04:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-22 15:04:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-22 15:04:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable [2021-11-22 15:04:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable [2021-11-22 15:04:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_ioctl [2021-11-22 15:04:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_ioctl [2021-11-22 15:04:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_check_link_status [2021-11-22 15:04:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_check_link_status [2021-11-22 15:04:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 15:04:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 15:04:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware_cond [2021-11-22 15:04:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware_cond [2021-11-22 15:04:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_1 [2021-11-22 15:04:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_1 [2021-11-22 15:04:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_2 [2021-11-22 15:04:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_2 [2021-11-22 15:04:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_3 [2021-11-22 15:04:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_3 [2021-11-22 15:04:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_4 [2021-11-22 15:04:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_4 [2021-11-22 15:04:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:04:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_hw_reset [2021-11-22 15:04:34,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_hw_reset [2021-11-22 15:04:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8101 [2021-11-22 15:04:34,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8101 [2021-11-22 15:04:37,217 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:04:37,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:09:41,118 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-22 15:09:41,118 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-22 15:09:41,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-22 15:09:41,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-22 15:09:41,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-22 15:09:41,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-22 15:09:41,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-22 15:09:41,120 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#1: ldv_switch_4_#res#1 := 0; [2021-11-22 15:09:41,120 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res#1 := 0; [2021-11-22 15:09:41,120 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-22 15:09:41,121 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#1: ldv_switch_3_#res#1 := 0; [2021-11-22 15:09:41,122 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-22 15:09:42,515 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:09:42,573 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:09:42,573 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 15:09:42,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:42 BoogieIcfgContainer [2021-11-22 15:09:42,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:09:42,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:09:42,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:09:42,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:09:42,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:04:18" (1/3) ... [2021-11-22 15:09:42,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4765c299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:42, skipping insertion in model container [2021-11-22 15:09:42,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:29" (2/3) ... [2021-11-22 15:09:42,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4765c299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:42, skipping insertion in model container [2021-11-22 15:09:42,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:42" (3/3) ... [2021-11-22 15:09:42,603 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-22 15:09:42,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:09:42,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-22 15:09:42,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:09:42,714 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 [2021-11-22 15:09:42,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-22 15:09:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 8725 states, 7861 states have (on average 1.3322732476784125) internal successors, (10473), 7971 states have internal predecessors, (10473), 693 states have call successors, (693), 166 states have call predecessors, (693), 166 states have return successors, (693), 615 states have call predecessors, (693), 693 states have call successors, (693) [2021-11-22 15:09:42,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-22 15:09:42,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:42,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:09:42,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:09:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 927526069, now seen corresponding path program 1 times [2021-11-22 15:09:42,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:09:42,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377609903] [2021-11-22 15:09:42,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:42,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:09:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:44,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:09:44,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377609903] [2021-11-22 15:09:44,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377609903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:44,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:44,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:09:44,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175942620] [2021-11-22 15:09:44,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:44,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:09:44,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:09:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:09:44,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:44,331 INFO L87 Difference]: Start difference. First operand has 8725 states, 7861 states have (on average 1.3322732476784125) internal successors, (10473), 7971 states have internal predecessors, (10473), 693 states have call successors, (693), 166 states have call predecessors, (693), 166 states have return successors, (693), 615 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-22 15:09:46,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:09:47,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:09:47,892 INFO L93 Difference]: Finished difference Result 24809 states and 35216 transitions. [2021-11-22 15:09:47,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:09:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) Word has length 196 [2021-11-22 15:09:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:09:48,074 INFO L225 Difference]: With dead ends: 24809 [2021-11-22 15:09:48,074 INFO L226 Difference]: Without dead ends: 16255 [2021-11-22 15:09:48,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:48,156 INFO L933 BasicCegarLoop]: 12537 mSDtfsCounter, 10871 mSDsluCounter, 11710 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10871 SdHoareTripleChecker+Valid, 24247 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:09:48,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10871 Valid, 24247 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-22 15:09:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16255 states. [2021-11-22 15:09:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16255 to 16251. [2021-11-22 15:09:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16251 states, 14528 states have (on average 1.3123623348017621) internal successors, (19066), 14744 states have internal predecessors, (19066), 1386 states have call successors, (1386), 332 states have call predecessors, (1386), 332 states have return successors, (1386), 1230 states have call predecessors, (1386), 1386 states have call successors, (1386) [2021-11-22 15:09:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16251 states to 16251 states and 21838 transitions. [2021-11-22 15:09:49,176 INFO L78 Accepts]: Start accepts. Automaton has 16251 states and 21838 transitions. Word has length 196 [2021-11-22 15:09:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:09:49,182 INFO L470 AbstractCegarLoop]: Abstraction has 16251 states and 21838 transitions. [2021-11-22 15:09:49,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-22 15:09:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 16251 states and 21838 transitions. [2021-11-22 15:09:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 15:09:49,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:49,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:09:49,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:09:49,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:09:49,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:49,214 INFO L85 PathProgramCache]: Analyzing trace with hash 221808896, now seen corresponding path program 1 times [2021-11-22 15:09:49,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:09:49,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745711437] [2021-11-22 15:09:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:49,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:09:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:49,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:09:49,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745711437] [2021-11-22 15:09:49,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745711437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:49,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:49,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:09:49,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163507045] [2021-11-22 15:09:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:49,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:09:49,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:09:49,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:09:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:49,957 INFO L87 Difference]: Start difference. First operand 16251 states and 21838 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-11-22 15:09:52,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:09:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:09:53,693 INFO L93 Difference]: Finished difference Result 39811 states and 53664 transitions. [2021-11-22 15:09:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:09:53,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) Word has length 215 [2021-11-22 15:09:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:09:53,918 INFO L225 Difference]: With dead ends: 39811 [2021-11-22 15:09:53,918 INFO L226 Difference]: Without dead ends: 24029 [2021-11-22 15:09:54,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:54,002 INFO L933 BasicCegarLoop]: 11952 mSDtfsCounter, 10584 mSDsluCounter, 11198 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10584 SdHoareTripleChecker+Valid, 23150 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:09:54,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10584 Valid, 23150 Invalid, 66 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-22 15:09:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24029 states. [2021-11-22 15:09:55,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24029 to 23985. [2021-11-22 15:09:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23985 states, 21407 states have (on average 1.314663427850703) internal successors, (28143), 21729 states have internal predecessors, (28143), 2075 states have call successors, (2075), 498 states have call predecessors, (2075), 498 states have return successors, (2075), 1841 states have call predecessors, (2075), 2075 states have call successors, (2075) [2021-11-22 15:09:55,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23985 states to 23985 states and 32293 transitions. [2021-11-22 15:09:55,280 INFO L78 Accepts]: Start accepts. Automaton has 23985 states and 32293 transitions. Word has length 215 [2021-11-22 15:09:55,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:09:55,282 INFO L470 AbstractCegarLoop]: Abstraction has 23985 states and 32293 transitions. [2021-11-22 15:09:55,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-11-22 15:09:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 23985 states and 32293 transitions. [2021-11-22 15:09:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 15:09:55,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:55,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:09:55,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:09:55,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:09:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash -185285657, now seen corresponding path program 1 times [2021-11-22 15:09:55,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:09:55,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092467327] [2021-11-22 15:09:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:09:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:56,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:09:56,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092467327] [2021-11-22 15:09:56,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092467327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:56,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:56,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:09:56,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621966609] [2021-11-22 15:09:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:56,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:09:56,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:09:56,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:09:56,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:56,080 INFO L87 Difference]: Start difference. First operand 23985 states and 32293 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2021-11-22 15:09:58,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:10:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:00,220 INFO L93 Difference]: Finished difference Result 61597 states and 83001 transitions. [2021-11-22 15:10:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:00,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) Word has length 223 [2021-11-22 15:10:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:00,466 INFO L225 Difference]: With dead ends: 61597 [2021-11-22 15:10:00,466 INFO L226 Difference]: Without dead ends: 38081 [2021-11-22 15:10:00,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:00,591 INFO L933 BasicCegarLoop]: 12552 mSDtfsCounter, 9901 mSDsluCounter, 11167 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9901 SdHoareTripleChecker+Valid, 23719 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:00,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9901 Valid, 23719 Invalid, 100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-22 15:10:00,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38081 states. [2021-11-22 15:10:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38081 to 38053. [2021-11-22 15:10:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38053 states, 33795 states have (on average 1.3112886521674805) internal successors, (44315), 34329 states have internal predecessors, (44315), 3423 states have call successors, (3423), 830 states have call predecessors, (3423), 830 states have return successors, (3423), 3033 states have call predecessors, (3423), 3423 states have call successors, (3423) [2021-11-22 15:10:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38053 states to 38053 states and 51161 transitions. [2021-11-22 15:10:02,854 INFO L78 Accepts]: Start accepts. Automaton has 38053 states and 51161 transitions. Word has length 223 [2021-11-22 15:10:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:02,855 INFO L470 AbstractCegarLoop]: Abstraction has 38053 states and 51161 transitions. [2021-11-22 15:10:02,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2021-11-22 15:10:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38053 states and 51161 transitions. [2021-11-22 15:10:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 15:10:02,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:02,883 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:02,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:10:02,883 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:10:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1363587885, now seen corresponding path program 1 times [2021-11-22 15:10:02,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:10:02,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615976538] [2021-11-22 15:10:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:02,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:10:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:03,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:10:03,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615976538] [2021-11-22 15:10:03,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615976538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:03,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:03,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:10:03,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127737025] [2021-11-22 15:10:03,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:03,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:10:03,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:10:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:10:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:03,993 INFO L87 Difference]: Start difference. First operand 38053 states and 51161 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2021-11-22 15:10:06,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:10:08,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:08,727 INFO L93 Difference]: Finished difference Result 98501 states and 132702 transitions. [2021-11-22 15:10:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:08,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) Word has length 228 [2021-11-22 15:10:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:09,224 INFO L225 Difference]: With dead ends: 98501 [2021-11-22 15:10:09,224 INFO L226 Difference]: Without dead ends: 68117 [2021-11-22 15:10:09,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:09,339 INFO L933 BasicCegarLoop]: 20408 mSDtfsCounter, 10587 mSDsluCounter, 11213 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10587 SdHoareTripleChecker+Valid, 31621 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:09,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10587 Valid, 31621 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-22 15:10:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68117 states. [2021-11-22 15:10:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68117 to 68113. [2021-11-22 15:10:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68113 states, 60447 states have (on average 1.3135308617466541) internal successors, (79399), 61405 states have internal predecessors, (79399), 6167 states have call successors, (6167), 1494 states have call predecessors, (6167), 1494 states have return successors, (6167), 5465 states have call predecessors, (6167), 6167 states have call successors, (6167) [2021-11-22 15:10:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68113 states to 68113 states and 91733 transitions. [2021-11-22 15:10:13,648 INFO L78 Accepts]: Start accepts. Automaton has 68113 states and 91733 transitions. Word has length 228 [2021-11-22 15:10:13,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:13,649 INFO L470 AbstractCegarLoop]: Abstraction has 68113 states and 91733 transitions. [2021-11-22 15:10:13,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2021-11-22 15:10:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 68113 states and 91733 transitions. [2021-11-22 15:10:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 15:10:13,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:13,676 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:13,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:10:13,677 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:10:13,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:13,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1242435669, now seen corresponding path program 1 times [2021-11-22 15:10:13,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:10:13,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050344337] [2021-11-22 15:10:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:13,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:10:14,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:10:14,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050344337] [2021-11-22 15:10:14,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050344337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:14,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:14,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:10:14,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285762758] [2021-11-22 15:10:14,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:14,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:14,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:10:14,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:14,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:14,912 INFO L87 Difference]: Start difference. First operand 68113 states and 91733 transitions. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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) [2021-11-22 15:10:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:17,429 INFO L93 Difference]: Finished difference Result 68113 states and 91733 transitions. [2021-11-22 15:10:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:17,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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) Word has length 228 [2021-11-22 15:10:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:17,816 INFO L225 Difference]: With dead ends: 68113 [2021-11-22 15:10:17,816 INFO L226 Difference]: Without dead ends: 68077 [2021-11-22 15:10:17,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:10:17,856 INFO L933 BasicCegarLoop]: 11234 mSDtfsCounter, 11025 mSDsluCounter, 11234 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11025 SdHoareTripleChecker+Valid, 22468 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:17,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11025 Valid, 22468 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:10:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68077 states. [2021-11-22 15:10:20,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68077 to 68077. [2021-11-22 15:10:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68077 states, 60414 states have (on average 1.3135034925679479) internal successors, (79354), 61369 states have internal predecessors, (79354), 6167 states have call successors, (6167), 1494 states have call predecessors, (6167), 1494 states have return successors, (6167), 5465 states have call predecessors, (6167), 6167 states have call successors, (6167) [2021-11-22 15:10:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68077 states to 68077 states and 91688 transitions. [2021-11-22 15:10:21,240 INFO L78 Accepts]: Start accepts. Automaton has 68077 states and 91688 transitions. Word has length 228 [2021-11-22 15:10:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:21,242 INFO L470 AbstractCegarLoop]: Abstraction has 68077 states and 91688 transitions. [2021-11-22 15:10:21,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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) [2021-11-22 15:10:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68077 states and 91688 transitions. [2021-11-22 15:10:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-22 15:10:21,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:21,380 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:21,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:10:21,380 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:10:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1986473115, now seen corresponding path program 1 times [2021-11-22 15:10:21,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:10:21,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965979045] [2021-11-22 15:10:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:21,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:10:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:22,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:10:22,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965979045] [2021-11-22 15:10:22,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965979045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:22,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:22,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:10:22,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977027922] [2021-11-22 15:10:22,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:22,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:10:22,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:10:22,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:10:22,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:22,771 INFO L87 Difference]: Start difference. First operand 68077 states and 91688 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2021-11-22 15:10:24,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:10:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:28,849 INFO L93 Difference]: Finished difference Result 157585 states and 212363 transitions. [2021-11-22 15:10:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:28,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) Word has length 259 [2021-11-22 15:10:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:29,314 INFO L225 Difference]: With dead ends: 157585 [2021-11-22 15:10:29,315 INFO L226 Difference]: Without dead ends: 97177 [2021-11-22 15:10:29,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:29,840 INFO L933 BasicCegarLoop]: 20992 mSDtfsCounter, 9868 mSDsluCounter, 11137 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9868 SdHoareTripleChecker+Valid, 32129 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:29,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9868 Valid, 32129 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-22 15:10:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97177 states. [2021-11-22 15:10:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97177 to 97167. [2021-11-22 15:10:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97167 states, 86120 states have (on average 1.3127496516488621) internal successors, (113054), 87499 states have internal predecessors, (113054), 8887 states have call successors, (8887), 2158 states have call predecessors, (8887), 2158 states have return successors, (8887), 7873 states have call predecessors, (8887), 8887 states have call successors, (8887) [2021-11-22 15:10:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97167 states to 97167 states and 130828 transitions. [2021-11-22 15:10:34,369 INFO L78 Accepts]: Start accepts. Automaton has 97167 states and 130828 transitions. Word has length 259 [2021-11-22 15:10:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:34,370 INFO L470 AbstractCegarLoop]: Abstraction has 97167 states and 130828 transitions. [2021-11-22 15:10:34,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2021-11-22 15:10:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 97167 states and 130828 transitions. [2021-11-22 15:10:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 15:10:34,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:34,468 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:34,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:10:34,469 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:10:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash -621340731, now seen corresponding path program 1 times [2021-11-22 15:10:34,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:10:34,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642571815] [2021-11-22 15:10:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:34,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:10:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:35,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:10:35,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642571815] [2021-11-22 15:10:35,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642571815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:35,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:35,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:10:35,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721295013] [2021-11-22 15:10:35,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:35,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:10:35,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:10:35,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:10:35,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:35,684 INFO L87 Difference]: Start difference. First operand 97167 states and 130828 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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) [2021-11-22 15:10:37,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []