./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 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G --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-7e70bad [2021-11-23 12:36:42,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:36:42,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:36:42,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:36:42,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:36:42,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:36:42,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:36:42,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:36:42,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:36:42,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:36:42,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:36:42,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:36:42,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:36:42,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:36:42,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:36:42,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:36:42,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:36:42,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:36:42,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:36:42,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:36:42,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:36:42,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:36:42,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:36:42,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:36:42,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:36:42,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:36:42,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:36:42,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:36:42,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:36:42,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:36:42,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:36:42,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:36:42,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:36:42,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:36:42,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:36:42,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:36:42,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:36:42,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:36:42,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:36:42,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:36:42,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:36:42,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 12:36:42,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:36:42,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:36:42,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:36:42,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:36:42,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:36:42,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:36:42,159 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:36:42,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:36:42,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:36:42,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:36:42,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:36:42,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:36:42,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:36:42,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:36:42,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:36:42,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:36:42,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:36:42,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:36:42,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:36:42,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:36:42,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:36:42,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:36:42,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:36:42,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:36:42,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:36:42,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:36:42,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:36:42,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:36:42,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:36:42,167 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d593cb259f20aa9be3f3239c5f8f32160aefa50b46e3becfd823801c12116e6f [2021-11-23 12:36:42,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:36:42,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:36:42,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:36:42,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:36:42,544 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:36:42,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:36:42,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/data/b407495a5/a2019fa0c9814ded9d352f0b03dfdd09/FLAG1361d3051 [2021-11-23 12:36:43,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:36:43,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:36:44,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/data/b407495a5/a2019fa0c9814ded9d352f0b03dfdd09/FLAG1361d3051 [2021-11-23 12:36:44,064 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/data/b407495a5/a2019fa0c9814ded9d352f0b03dfdd09 [2021-11-23 12:36:44,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:36:44,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:36:44,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:36:44,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:36:44,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:36:44,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:44" (1/1) ... [2021-11-23 12:36:44,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c5f8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:44, skipping insertion in model container [2021-11-23 12:36:44,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:44" (1/1) ... [2021-11-23 12:36:44,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:36:44,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:36:52,581 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661460,661473] [2021-11-23 12:36:52,584 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661607,661620] [2021-11-23 12:36:52,586 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661746,661759] [2021-11-23 12:36:52,587 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661904,661917] [2021-11-23 12:36:52,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:36:52,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:36:53,619 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661460,661473] [2021-11-23 12:36:53,620 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661607,661620] [2021-11-23 12:36:53,621 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661746,661759] [2021-11-23 12:36:53,621 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_022b7d9e-1a3f-4705-9cef-9fd2125aab88/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i[661904,661917] [2021-11-23 12:36:53,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:36:54,227 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:36:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54 WrapperNode [2021-11-23 12:36:54,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:36:54,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:36:54,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:36:54,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:36:54,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:54,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:55,921 INFO L137 Inliner]: procedures = 861, calls = 6047, calls flagged for inlining = 1623, calls inlined = 3196, statements flattened = 39708 [2021-11-23 12:36:55,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:36:55,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:36:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:36:55,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:36:55,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:55,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:56,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:56,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:57,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:57,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:57,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:57,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:36:57,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:36:57,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:36:57,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:36:57,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (1/1) ... [2021-11-23 12:36:57,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:36:57,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:57,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022b7d9e-1a3f-4705-9cef-9fd2125aab88/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:36:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_2_hw_phy_config [2021-11-23 12:36:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_2_hw_phy_config [2021-11-23 12:36:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_2_hw_phy_config [2021-11-23 12:36:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_2_hw_phy_config [2021-11-23 12:36:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_enable [2021-11-23 12:36:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_enable [2021-11-23 12:36:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_patchphy [2021-11-23 12:36:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_patchphy [2021-11-23 12:36:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config [2021-11-23 12:36:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config [2021-11-23 12:36:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_work [2021-11-23 12:36:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_work [2021-11-23 12:36:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_remove_one [2021-11-23 12:36:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_remove_one [2021-11-23 12:36:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_down [2021-11-23 12:36:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_down [2021-11-23 12:36:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_close [2021-11-23 12:36:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_close [2021-11-23 12:36:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_reset [2021-11-23 12:36:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_reset [2021-11-23 12:36:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_write [2021-11-23 12:36:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_write [2021-11-23 12:36:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_27 [2021-11-23 12:36:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_27 [2021-11-23 12:36:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_generic_op [2021-11-23 12:36:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_generic_op [2021-11-23 12:36:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_3_hw_phy_config [2021-11-23 12:36:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_3_hw_phy_config [2021-11-23 12:36:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_driver_stop [2021-11-23 12:36:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_driver_stop [2021-11-23 12:36:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8106e_hw_phy_config [2021-11-23 12:36:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8106e_hw_phy_config [2021-11-23 12:36:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_read [2021-11-23 12:36:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_read [2021-11-23 12:36:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_access [2021-11-23 12:36:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_access [2021-11-23 12:36:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_2 [2021-11-23 12:36:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_2 [2021-11-23 12:36:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_1 [2021-11-23 12:36:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_1 [2021-11-23 12:36:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_read [2021-11-23 12:36:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_read [2021-11-23 12:36:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_1_hw_phy_config [2021-11-23 12:36:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_1_hw_phy_config [2021-11-23 12:36:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_1_hw_phy_config [2021-11-23 12:36:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_1_hw_phy_config [2021-11-23 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_write [2021-11-23 12:36:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_write [2021-11-23 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bef_hw_phy_config [2021-11-23 12:36:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bef_hw_phy_config [2021-11-23 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_down [2021-11-23 12:36:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_down [2021-11-23 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_read [2021-11-23 12:36:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_read [2021-11-23 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_wol_pll_power_down [2021-11-23 12:36:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_wol_pll_power_down [2021-11-23 12:36:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:36:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_change_mtu [2021-11-23 12:36:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_change_mtu [2021-11-23 12:36:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:36:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:36:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write [2021-11-23 12:36:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write [2021-11-23 12:36:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_write [2021-11-23 12:36:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_write [2021-11-23 12:36:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_hw_phy_config [2021-11-23 12:36:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_hw_phy_config [2021-11-23 12:36:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_resume [2021-11-23 12:36:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_resume [2021-11-23 12:36:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_3 [2021-11-23 12:36:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_3 [2021-11-23 12:36:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_4_hw_phy_config [2021-11-23 12:36:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_4_hw_phy_config [2021-11-23 12:36:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_1 [2021-11-23 12:36:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_1 [2021-11-23 12:36:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_2 [2021-11-23 12:36:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_2 [2021-11-23 12:36:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:36:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:36:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 12:36:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_enable [2021-11-23 12:36:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_enable [2021-11-23 12:36:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d_4 [2021-11-23 12:36:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d_4 [2021-11-23 12:36:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168dp [2021-11-23 12:36:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168dp [2021-11-23 12:36:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_read [2021-11-23 12:36:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_read [2021-11-23 12:36:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_1_hw_phy_config [2021-11-23 12:36:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_1_hw_phy_config [2021-11-23 12:36:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_suspend [2021-11-23 12:36:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_suspend [2021-11-23 12:36:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_1 [2021-11-23 12:36:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_1 [2021-11-23 12:36:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_set [2021-11-23 12:36:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_set [2021-11-23 12:36:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_2 [2021-11-23 12:36:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_2 [2021-11-23 12:36:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_read [2021-11-23 12:36:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_read [2021-11-23 12:36:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:36:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_init_phy [2021-11-23 12:36:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_init_phy [2021-11-23 12:36:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware [2021-11-23 12:36:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware [2021-11-23 12:36:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_check_dash [2021-11-23 12:36:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_check_dash [2021-11-23 12:36:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:36:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_phy_reset [2021-11-23 12:36:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_phy_reset [2021-11-23 12:36:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f_1 [2021-11-23 12:36:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f_1 [2021-11-23 12:36:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_read [2021-11-23 12:36:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_read [2021-11-23 12:36:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy_batch [2021-11-23 12:36:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy_batch [2021-11-23 12:36:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_write_fw [2021-11-23 12:36:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_write_fw [2021-11-23 12:36:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read [2021-11-23 12:36:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read [2021-11-23 12:36:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_suspend [2021-11-23 12:36:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_suspend [2021-11-23 12:36:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_write [2021-11-23 12:36:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_write [2021-11-23 12:36:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_speed_down [2021-11-23 12:36:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_speed_down [2021-11-23 12:36:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_check_link_status [2021-11-23 12:36:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_check_link_status [2021-11-23 12:36:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_4_hw_phy_config [2021-11-23 12:36:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_4_hw_phy_config [2021-11-23 12:36:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:36:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_up [2021-11-23 12:36:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_up [2021-11-23 12:36:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_reset_cond_check [2021-11-23 12:36:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_reset_cond_check [2021-11-23 12:36:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_write [2021-11-23 12:36:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_write [2021-11-23 12:36:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_read [2021-11-23 12:36:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_read [2021-11-23 12:36:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_resume [2021-11-23 12:36:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_resume [2021-11-23 12:36:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_write [2021-11-23 12:36:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_write [2021-11-23 12:36:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_resume [2021-11-23 12:36:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_resume [2021-11-23 12:36:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_shutdown [2021-11-23 12:36:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_shutdown [2021-11-23 12:36:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sb_hw_phy_config [2021-11-23 12:36:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sb_hw_phy_config [2021-11-23 12:36:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_disable [2021-11-23 12:36:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_disable [2021-11-23 12:36:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sce_hw_phy_config [2021-11-23 12:36:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sce_hw_phy_config [2021-11-23 12:36:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_up [2021-11-23 12:36:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_up [2021-11-23 12:36:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 12:36:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 12:36:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config_quirk [2021-11-23 12:36:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config_quirk [2021-11-23 12:36:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_net_suspend [2021-11-23 12:36:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_net_suspend [2021-11-23 12:36:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_down [2021-11-23 12:36:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_down [2021-11-23 12:36:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_oob_notify [2021-11-23 12:36:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_oob_notify [2021-11-23 12:36:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_high [2021-11-23 12:36:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_high [2021-11-23 12:36:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy [2021-11-23 12:36:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy [2021-11-23 12:36:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_phy_config [2021-11-23 12:36:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_phy_config [2021-11-23 12:36:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_efuse_read [2021-11-23 12:36:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_efuse_read [2021-11-23 12:36:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8105e_hw_phy_config [2021-11-23 12:36:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8105e_hw_phy_config [2021-11-23 12:36:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_phy [2021-11-23 12:36:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_phy [2021-11-23 12:36:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411 [2021-11-23 12:36:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411 [2021-11-23 12:36:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8402_hw_phy_config [2021-11-23 12:36:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8402_hw_phy_config [2021-11-23 12:36:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_eri [2021-11-23 12:36:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_eri [2021-11-23 12:36:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8402 [2021-11-23 12:36:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8402 [2021-11-23 12:36:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:36:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_30_2 [2021-11-23 12:36:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_30_2 [2021-11-23 12:36:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_pcierr_interrupt [2021-11-23 12:36:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_pcierr_interrupt [2021-11-23 12:36:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f [2021-11-23 12:36:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f [2021-11-23 12:36:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d [2021-11-23 12:36:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d [2021-11-23 12:36:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ocp_read_cond_check [2021-11-23 12:36:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ocp_read_cond_check [2021-11-23 12:36:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_read [2021-11-23 12:36:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_read [2021-11-23 12:36:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_loop_wait [2021-11-23 12:36:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_loop_wait [2021-11-23 12:36:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_exgmac_set [2021-11-23 12:36:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_exgmac_set [2021-11-23 12:36:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 12:36:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_read [2021-11-23 12:36:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_read [2021-11-23 12:36:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_reset_work [2021-11-23 12:36:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_reset_work [2021-11-23 12:36:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 12:36:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 12:36:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 12:36:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 12:36:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed [2021-11-23 12:36:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed [2021-11-23 12:36:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 12:36:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_1_hw_phy_config [2021-11-23 12:36:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_1_hw_phy_config [2021-11-23 12:36:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_1_hw_phy_config [2021-11-23 12:36:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_1_hw_phy_config [2021-11-23 12:36:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_init [2021-11-23 12:36:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_init [2021-11-23 12:36:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_up [2021-11-23 12:36:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_up [2021-11-23 12:36:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_write [2021-11-23 12:36:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_write [2021-11-23 12:36:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_up [2021-11-23 12:36:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_up [2021-11-23 12:36:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_write [2021-11-23 12:36:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_write [2021-11-23 12:36:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_down [2021-11-23 12:36:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_down [2021-11-23 12:36:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 12:36:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 12:36:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 12:36:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 12:36:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_up [2021-11-23 12:36:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_up [2021-11-23 12:36:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_2_hw_phy_config [2021-11-23 12:36:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_2_hw_phy_config [2021-11-23 12:36:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_2_hw_phy_config [2021-11-23 12:36:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_2_hw_phy_config [2021-11-23 12:36:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_2_hw_phy_config [2021-11-23 12:36:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_2_hw_phy_config [2021-11-23 12:36:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_1_hw_phy_config [2021-11-23 12:36:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_1_hw_phy_config [2021-11-23 12:36:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_3_hw_phy_config [2021-11-23 12:36:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_3_hw_phy_config [2021-11-23 12:36:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411_2 [2021-11-23 12:36:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411_2 [2021-11-23 12:36:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_write [2021-11-23 12:36:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_write [2021-11-23 12:36:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 12:36:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 12:36:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_read [2021-11-23 12:36:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_read [2021-11-23 12:36:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168 [2021-11-23 12:36:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168 [2021-11-23 12:36:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169s_hw_phy_config [2021-11-23 12:36:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169s_hw_phy_config [2021-11-23 12:36:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_msleep_loop_wait_low [2021-11-23 12:36:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_msleep_loop_wait_low [2021-11-23 12:36:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_write [2021-11-23 12:36:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_write [2021-11-23 12:36:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_1 [2021-11-23 12:36:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_1 [2021-11-23 12:36:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_2 [2021-11-23 12:36:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_2 [2021-11-23 12:36:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_task [2021-11-23 12:36:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_task [2021-11-23 12:36:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 12:36:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 12:36:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8102e_hw_phy_config [2021-11-23 12:36:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8102e_hw_phy_config [2021-11-23 12:36:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 12:36:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 12:36:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_open [2021-11-23 12:36:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_open [2021-11-23 12:36:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_get_settings [2021-11-23 12:36:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_get_settings [2021-11-23 12:36:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_update_counters [2021-11-23 12:36:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_update_counters [2021-11-23 12:36:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 12:36:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_write [2021-11-23 12:36:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_write [2021-11-23 12:36:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_down [2021-11-23 12:36:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_down [2021-11-23 12:36:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_1 [2021-11-23 12:36:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_1 [2021-11-23 12:36:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_2 [2021-11-23 12:36:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_2 [2021-11-23 12:36:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_1 [2021-11-23 12:36:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_1 [2021-11-23 12:36:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_2 [2021-11-23 12:36:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_2 [2021-11-23 12:36:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_3 [2021-11-23 12:36:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_3 [2021-11-23 12:36:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bb_hw_phy_config [2021-11-23 12:36:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bb_hw_phy_config [2021-11-23 12:36:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start [2021-11-23 12:36:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start [2021-11-23 12:36:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-23 12:36:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-23 12:36:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_low [2021-11-23 12:36:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_low [2021-11-23 12:36:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed_xmii [2021-11-23 12:36:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed_xmii [2021-11-23 12:36:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_exgmac_batch [2021-11-23 12:36:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_exgmac_batch [2021-11-23 12:36:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8411_hw_phy_config [2021-11-23 12:36:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8411_hw_phy_config [2021-11-23 12:36:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_2_hw_phy_config [2021-11-23 12:36:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_2_hw_phy_config [2021-11-23 12:36:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_slow_event_work [2021-11-23 12:36:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_slow_event_work [2021-11-23 12:36:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_down [2021-11-23 12:36:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_down [2021-11-23 12:36:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_read [2021-11-23 12:36:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_read [2021-11-23 12:36:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_pending [2021-11-23 12:36:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_pending [2021-11-23 12:36:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_readphy [2021-11-23 12:36:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_readphy [2021-11-23 12:36:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_link_chg_patch [2021-11-23 12:36:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_link_chg_patch [2021-11-23 12:36:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-23 12:36:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-23 12:36:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable [2021-11-23 12:36:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable [2021-11-23 12:36:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_ioctl [2021-11-23 12:36:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_ioctl [2021-11-23 12:36:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_check_link_status [2021-11-23 12:36:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_check_link_status [2021-11-23 12:36:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 12:36:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 12:36:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware_cond [2021-11-23 12:36:58,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware_cond [2021-11-23 12:36:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_1 [2021-11-23 12:36:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_1 [2021-11-23 12:36:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_2 [2021-11-23 12:36:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_2 [2021-11-23 12:36:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_3 [2021-11-23 12:36:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_3 [2021-11-23 12:36:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_4 [2021-11-23 12:36:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_4 [2021-11-23 12:36:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:36:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_hw_reset [2021-11-23 12:36:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_hw_reset [2021-11-23 12:36:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8101 [2021-11-23 12:36:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8101 [2021-11-23 12:37:00,737 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:37:00,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:41:56,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 12:41:56,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 12:41:56,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 12:41:56,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 12:41:56,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-23 12:41:56,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-23 12:41:56,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-23 12:41:56,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#1: ldv_switch_4_#res#1 := 0; [2021-11-23 12:41:56,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res#1 := 0; [2021-11-23 12:41:56,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 12:41:56,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#1: ldv_switch_3_#res#1 := 0; [2021-11-23 12:41:56,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 12:41:57,513 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:41:57,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:41:57,668 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 12:41:57,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:57 BoogieIcfgContainer [2021-11-23 12:41:57,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:41:57,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:41:57,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:41:57,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:41:57,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:36:44" (1/3) ... [2021-11-23 12:41:57,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394ae6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:57, skipping insertion in model container [2021-11-23 12:41:57,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:54" (2/3) ... [2021-11-23 12:41:57,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394ae6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:57, skipping insertion in model container [2021-11-23 12:41:57,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:57" (3/3) ... [2021-11-23 12:41:57,688 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:41:57,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:41:57,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-23 12:41:57,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:41:57,812 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 [2021-11-23 12:41:57,812 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-23 12:41:58,001 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) [2021-11-23 12:41:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 12:41:58,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:41:58,035 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] [2021-11-23 12:41:58,036 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)] === [2021-11-23 12:41:58,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash 927526069, now seen corresponding path program 1 times [2021-11-23 12:41:58,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:58,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699520104] [2021-11-23 12:41:58,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:58,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:59,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:59,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699520104] [2021-11-23 12:41:59,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699520104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:59,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:59,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:41:59,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854431442] [2021-11-23 12:41:59,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:59,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:41:59,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:59,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:41:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:41:59,706 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) [2021-11-23 12:42:01,896 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 [] [2021-11-23 12:42:03,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:03,559 INFO L93 Difference]: Finished difference Result 24809 states and 35216 transitions. [2021-11-23 12:42:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:42:03,562 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 [2021-11-23 12:42:03,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:03,762 INFO L225 Difference]: With dead ends: 24809 [2021-11-23 12:42:03,763 INFO L226 Difference]: Without dead ends: 16255 [2021-11-23 12:42:03,845 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 [2021-11-23 12:42:03,850 INFO L933 BasicCegarLoop]: 12537 mSDtfsCounter, 10871 mSDsluCounter, 11710 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:42:03,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10871 Valid, 24247 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 12:42:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16255 states. [2021-11-23 12:42:05,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16255 to 16251. [2021-11-23 12:42:05,081 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) [2021-11-23 12:42:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16251 states to 16251 states and 21838 transitions. [2021-11-23 12:42:05,291 INFO L78 Accepts]: Start accepts. Automaton has 16251 states and 21838 transitions. Word has length 196 [2021-11-23 12:42:05,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:05,293 INFO L470 AbstractCegarLoop]: Abstraction has 16251 states and 21838 transitions. [2021-11-23 12:42:05,294 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) [2021-11-23 12:42:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16251 states and 21838 transitions. [2021-11-23 12:42:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 12:42:05,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:05,318 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] [2021-11-23 12:42:05,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:42:05,319 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)] === [2021-11-23 12:42:05,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:05,320 INFO L85 PathProgramCache]: Analyzing trace with hash 221808896, now seen corresponding path program 1 times [2021-11-23 12:42:05,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:05,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057804776] [2021-11-23 12:42:05,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:05,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:06,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:06,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057804776] [2021-11-23 12:42:06,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057804776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:06,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:06,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:42:06,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001613956] [2021-11-23 12:42:06,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:06,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:42:06,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:06,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:42:06,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:42:06,152 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) [2021-11-23 12:42:08,309 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 [] [2021-11-23 12:42:10,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:10,104 INFO L93 Difference]: Finished difference Result 39811 states and 53664 transitions. [2021-11-23 12:42:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:42:10,105 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 [2021-11-23 12:42:10,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:10,317 INFO L225 Difference]: With dead ends: 39811 [2021-11-23 12:42:10,318 INFO L226 Difference]: Without dead ends: 24029 [2021-11-23 12:42:10,387 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 [2021-11-23 12:42:10,388 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 [2021-11-23 12:42:10,391 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] [2021-11-23 12:42:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24029 states. [2021-11-23 12:42:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24029 to 23985. [2021-11-23 12:42:11,634 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) [2021-11-23 12:42:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23985 states to 23985 states and 32293 transitions. [2021-11-23 12:42:11,745 INFO L78 Accepts]: Start accepts. Automaton has 23985 states and 32293 transitions. Word has length 215 [2021-11-23 12:42:11,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:11,747 INFO L470 AbstractCegarLoop]: Abstraction has 23985 states and 32293 transitions. [2021-11-23 12:42:11,747 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) [2021-11-23 12:42:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 23985 states and 32293 transitions. [2021-11-23 12:42:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-23 12:42:11,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:11,770 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] [2021-11-23 12:42:11,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:42:11,770 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)] === [2021-11-23 12:42:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash -185285657, now seen corresponding path program 1 times [2021-11-23 12:42:11,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:11,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75300613] [2021-11-23 12:42:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:11,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:12,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:12,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75300613] [2021-11-23 12:42:12,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75300613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:12,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:12,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:42:12,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187386410] [2021-11-23 12:42:12,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:12,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:42:12,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:12,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:42:12,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:42:12,459 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) [2021-11-23 12:42:14,597 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 [] [2021-11-23 12:42:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:16,884 INFO L93 Difference]: Finished difference Result 61597 states and 83001 transitions. [2021-11-23 12:42:16,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:42:16,885 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 [2021-11-23 12:42:16,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:17,297 INFO L225 Difference]: With dead ends: 61597 [2021-11-23 12:42:17,297 INFO L226 Difference]: Without dead ends: 38081 [2021-11-23 12:42:17,379 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 [2021-11-23 12:42:17,391 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 [2021-11-23 12:42:17,392 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] [2021-11-23 12:42:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38081 states. [2021-11-23 12:42:19,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38081 to 38053. [2021-11-23 12:42:19,603 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) [2021-11-23 12:42:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38053 states to 38053 states and 51161 transitions. [2021-11-23 12:42:20,087 INFO L78 Accepts]: Start accepts. Automaton has 38053 states and 51161 transitions. Word has length 223 [2021-11-23 12:42:20,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:20,088 INFO L470 AbstractCegarLoop]: Abstraction has 38053 states and 51161 transitions. [2021-11-23 12:42:20,088 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) [2021-11-23 12:42:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 38053 states and 51161 transitions. [2021-11-23 12:42:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 12:42:20,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:20,115 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] [2021-11-23 12:42:20,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 12:42:20,116 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)] === [2021-11-23 12:42:20,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:20,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1363587885, now seen corresponding path program 1 times [2021-11-23 12:42:20,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:20,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110764244] [2021-11-23 12:42:20,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:20,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:20,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:20,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110764244] [2021-11-23 12:42:20,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110764244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:20,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:20,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:42:20,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472043187] [2021-11-23 12:42:20,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:20,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:42:20,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:42:20,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:42:20,852 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) [2021-11-23 12:42:23,016 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 [] [2021-11-23 12:42:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:25,633 INFO L93 Difference]: Finished difference Result 98501 states and 132702 transitions. [2021-11-23 12:42:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:42:25,634 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 [2021-11-23 12:42:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:26,079 INFO L225 Difference]: With dead ends: 98501 [2021-11-23 12:42:26,079 INFO L226 Difference]: Without dead ends: 68117 [2021-11-23 12:42:26,223 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 [2021-11-23 12:42:26,226 INFO L933 BasicCegarLoop]: 20408 mSDtfsCounter, 10587 mSDsluCounter, 11213 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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 [2021-11-23 12:42:26,228 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] [2021-11-23 12:42:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68117 states. [2021-11-23 12:42:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68117 to 68113. [2021-11-23 12:42:29,689 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) [2021-11-23 12:42:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68113 states to 68113 states and 91733 transitions. [2021-11-23 12:42:30,083 INFO L78 Accepts]: Start accepts. Automaton has 68113 states and 91733 transitions. Word has length 228 [2021-11-23 12:42:30,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:30,084 INFO L470 AbstractCegarLoop]: Abstraction has 68113 states and 91733 transitions. [2021-11-23 12:42:30,084 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) [2021-11-23 12:42:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 68113 states and 91733 transitions. [2021-11-23 12:42:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 12:42:30,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:30,118 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] [2021-11-23 12:42:30,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 12:42:30,118 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)] === [2021-11-23 12:42:30,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1242435669, now seen corresponding path program 1 times [2021-11-23 12:42:30,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:30,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21358429] [2021-11-23 12:42:30,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:30,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 12:42:31,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21358429] [2021-11-23 12:42:31,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21358429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:31,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:31,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:42:31,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920112602] [2021-11-23 12:42:31,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:31,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:42:31,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:31,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:42:31,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:42:31,995 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) [2021-11-23 12:42:34,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:34,247 INFO L93 Difference]: Finished difference Result 68113 states and 91733 transitions. [2021-11-23 12:42:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:42:34,248 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 [2021-11-23 12:42:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:34,534 INFO L225 Difference]: With dead ends: 68113 [2021-11-23 12:42:34,535 INFO L226 Difference]: Without dead ends: 68077 [2021-11-23 12:42:34,564 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 [2021-11-23 12:42:34,565 INFO L933 BasicCegarLoop]: 11234 mSDtfsCounter, 11025 mSDsluCounter, 11234 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:42:34,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11025 Valid, 22468 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 12:42:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68077 states. [2021-11-23 12:42:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68077 to 68077. [2021-11-23 12:42:37,846 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) [2021-11-23 12:42:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68077 states to 68077 states and 91688 transitions. [2021-11-23 12:42:38,162 INFO L78 Accepts]: Start accepts. Automaton has 68077 states and 91688 transitions. Word has length 228 [2021-11-23 12:42:38,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:38,163 INFO L470 AbstractCegarLoop]: Abstraction has 68077 states and 91688 transitions. [2021-11-23 12:42:38,163 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) [2021-11-23 12:42:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 68077 states and 91688 transitions. [2021-11-23 12:42:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 12:42:38,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:38,297 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] [2021-11-23 12:42:38,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 12:42:38,297 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)] === [2021-11-23 12:42:38,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1986473115, now seen corresponding path program 1 times [2021-11-23 12:42:38,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:38,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321858651] [2021-11-23 12:42:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:38,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:39,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:39,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321858651] [2021-11-23 12:42:39,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321858651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:39,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:39,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:42:39,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649594424] [2021-11-23 12:42:39,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:39,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:42:39,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:42:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:42:39,511 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) [2021-11-23 12:42:41,653 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 [] [2021-11-23 12:42:45,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:45,311 INFO L93 Difference]: Finished difference Result 157585 states and 212363 transitions. [2021-11-23 12:42:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:42:45,312 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 [2021-11-23 12:42:45,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:46,046 INFO L225 Difference]: With dead ends: 157585 [2021-11-23 12:42:46,047 INFO L226 Difference]: Without dead ends: 97177 [2021-11-23 12:42:46,326 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 [2021-11-23 12:42:46,328 INFO L933 BasicCegarLoop]: 20992 mSDtfsCounter, 9868 mSDsluCounter, 11137 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:42:46,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9868 Valid, 32129 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 12:42:46,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97177 states. [2021-11-23 12:42:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97177 to 97167. [2021-11-23 12:42:50,350 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) [2021-11-23 12:42:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97167 states to 97167 states and 130828 transitions. [2021-11-23 12:42:51,151 INFO L78 Accepts]: Start accepts. Automaton has 97167 states and 130828 transitions. Word has length 259 [2021-11-23 12:42:51,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:51,152 INFO L470 AbstractCegarLoop]: Abstraction has 97167 states and 130828 transitions. [2021-11-23 12:42:51,152 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) [2021-11-23 12:42:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 97167 states and 130828 transitions. [2021-11-23 12:42:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 12:42:51,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:51,244 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] [2021-11-23 12:42:51,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 12:42:51,245 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)] === [2021-11-23 12:42:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:51,246 INFO L85 PathProgramCache]: Analyzing trace with hash -621340731, now seen corresponding path program 1 times [2021-11-23 12:42:51,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:51,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909367501] [2021-11-23 12:42:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:51,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:51,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:51,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909367501] [2021-11-23 12:42:51,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909367501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:51,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:51,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:42:51,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948849568] [2021-11-23 12:42:51,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:51,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:42:51,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:51,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:42:51,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:42:51,868 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) [2021-11-23 12:42:54,020 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 []