./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:47:09,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:47:09,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:47:09,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:47:09,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:47:09,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:47:09,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:47:09,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:47:09,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:47:09,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:47:09,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:47:09,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:47:09,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:47:09,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:47:09,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:47:09,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:47:09,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:47:09,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:47:09,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:47:09,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:47:09,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:47:09,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:47:09,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:47:09,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:47:09,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:47:09,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:47:09,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:47:09,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:47:09,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:47:09,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:47:09,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:47:09,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:47:09,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:47:09,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:47:09,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:47:09,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:47:09,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:47:09,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:47:09,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:47:09,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:47:09,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:47:09,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:47:09,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:47:09,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:47:09,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:47:09,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:47:09,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:47:09,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:47:09,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:47:09,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:47:09,378 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:47:09,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:47:09,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:47:09,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:47:09,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:47:09,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:47:09,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:47:09,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:47:09,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:47:09,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:47:09,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:47:09,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:47:09,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:47:09,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:47:09,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:47:09,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:47:09,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:47:09,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:47:09,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:47:09,383 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:47:09,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:47:09,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:47:09,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:47:09,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2021-12-21 16:47:09,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:47:09,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:47:09,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:47:09,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:47:09,665 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:47:09,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2021-12-21 16:47:09,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5af0e75/9302806741454fcaa4a972d02152caff/FLAG2062a78b8 [2021-12-21 16:47:10,624 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:47:10,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2021-12-21 16:47:10,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5af0e75/9302806741454fcaa4a972d02152caff/FLAG2062a78b8 [2021-12-21 16:47:10,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5af0e75/9302806741454fcaa4a972d02152caff [2021-12-21 16:47:10,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:47:10,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:47:10,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:47:10,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:47:10,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:47:10,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:47:10" (1/1) ... [2021-12-21 16:47:10,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@897c167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:10, skipping insertion in model container [2021-12-21 16:47:10,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:47:10" (1/1) ... [2021-12-21 16:47:10,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:47:10,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:47:14,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2021-12-21 16:47:15,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:47:15,164 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:47:15,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2021-12-21 16:47:15,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:47:16,127 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:47:16,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16 WrapperNode [2021-12-21 16:47:16,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:47:16,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:47:16,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:47:16,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:47:16,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,511 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5278 [2021-12-21 16:47:16,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:47:16,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:47:16,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:47:16,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:47:16,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:16,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:17,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:17,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:47:17,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:47:17,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:47:17,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:47:17,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (1/1) ... [2021-12-21 16:47:17,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:47:17,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:47:17,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:47:17,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:47:17,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2021-12-21 16:47:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2021-12-21 16:47:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-21 16:47:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-21 16:47:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2021-12-21 16:47:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2021-12-21 16:47:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2021-12-21 16:47:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2021-12-21 16:47:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:47:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:47:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-21 16:47:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-21 16:47:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:47:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:47:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2021-12-21 16:47:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2021-12-21 16:47:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:47:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:47:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:47:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:47:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2021-12-21 16:47:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2021-12-21 16:47:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2021-12-21 16:47:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2021-12-21 16:47:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2021-12-21 16:47:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2021-12-21 16:47:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:47:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:47:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2021-12-21 16:47:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2021-12-21 16:47:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-21 16:47:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-21 16:47:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2021-12-21 16:47:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2021-12-21 16:47:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-21 16:47:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-21 16:47:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2021-12-21 16:47:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2021-12-21 16:47:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 16:47:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 16:47:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-21 16:47:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-21 16:47:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:47:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:47:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2021-12-21 16:47:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2021-12-21 16:47:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2021-12-21 16:47:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2021-12-21 16:47:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2021-12-21 16:47:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2021-12-21 16:47:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:47:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:47:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2021-12-21 16:47:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2021-12-21 16:47:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2021-12-21 16:47:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2021-12-21 16:47:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2021-12-21 16:47:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2021-12-21 16:47:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2021-12-21 16:47:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2021-12-21 16:47:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-21 16:47:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-21 16:47:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2021-12-21 16:47:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2021-12-21 16:47:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:47:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:47:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 16:47:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 16:47:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:47:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:47:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:47:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:47:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2021-12-21 16:47:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2021-12-21 16:47:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:47:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:47:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2021-12-21 16:47:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2021-12-21 16:47:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:47:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2021-12-21 16:47:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2021-12-21 16:47:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 16:47:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 16:47:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2021-12-21 16:47:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2021-12-21 16:47:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:47:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:47:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2021-12-21 16:47:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2021-12-21 16:47:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:47:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:47:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:47:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:47:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2021-12-21 16:47:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2021-12-21 16:47:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:47:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2021-12-21 16:47:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2021-12-21 16:47:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:47:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:47:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:47:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-21 16:47:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-21 16:47:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:47:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:47:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:47:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2021-12-21 16:47:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2021-12-21 16:47:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 16:47:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 16:47:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2021-12-21 16:47:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2021-12-21 16:47:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-21 16:47:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-21 16:47:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:47:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:47:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2021-12-21 16:47:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2021-12-21 16:47:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:47:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:47:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2021-12-21 16:47:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2021-12-21 16:47:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2021-12-21 16:47:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2021-12-21 16:47:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 16:47:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 16:47:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-21 16:47:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-21 16:47:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2021-12-21 16:47:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2021-12-21 16:47:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:47:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:47:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2021-12-21 16:47:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2021-12-21 16:47:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2021-12-21 16:47:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2021-12-21 16:47:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-21 16:47:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-21 16:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2021-12-21 16:47:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2021-12-21 16:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2021-12-21 16:47:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2021-12-21 16:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2021-12-21 16:47:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2021-12-21 16:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-21 16:47:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-21 16:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2021-12-21 16:47:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2021-12-21 16:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:47:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2021-12-21 16:47:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2021-12-21 16:47:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:47:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:47:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:47:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2021-12-21 16:47:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2021-12-21 16:47:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:47:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:47:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2021-12-21 16:47:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2021-12-21 16:47:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-21 16:47:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-21 16:47:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-21 16:47:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-21 16:47:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-21 16:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-21 16:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2021-12-21 16:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2021-12-21 16:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2021-12-21 16:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2021-12-21 16:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 16:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 16:47:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2021-12-21 16:47:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2021-12-21 16:47:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2021-12-21 16:47:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2021-12-21 16:47:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-21 16:47:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-21 16:47:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2021-12-21 16:47:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2021-12-21 16:47:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:47:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:47:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2021-12-21 16:47:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2021-12-21 16:47:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:47:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:47:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:47:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:47:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:47:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:47:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-21 16:47:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-21 16:47:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:47:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:47:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-21 16:47:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-21 16:47:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2021-12-21 16:47:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2021-12-21 16:47:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-21 16:47:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-21 16:47:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:47:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:47:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2021-12-21 16:47:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2021-12-21 16:47:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2021-12-21 16:47:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2021-12-21 16:47:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-21 16:47:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-21 16:47:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:47:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:47:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2021-12-21 16:47:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2021-12-21 16:47:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-21 16:47:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-21 16:47:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:47:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:47:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-21 16:47:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-21 16:47:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:47:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:47:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:47:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:47:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:47:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:47:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2021-12-21 16:47:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2021-12-21 16:47:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2021-12-21 16:47:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2021-12-21 16:47:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2021-12-21 16:47:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2021-12-21 16:47:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 16:47:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 16:47:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:47:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2021-12-21 16:47:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2021-12-21 16:47:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:47:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:47:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2021-12-21 16:47:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2021-12-21 16:47:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:47:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:47:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:47:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:47:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:47:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2021-12-21 16:47:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2021-12-21 16:47:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2021-12-21 16:47:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2021-12-21 16:47:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-21 16:47:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-21 16:47:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:47:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2021-12-21 16:47:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2021-12-21 16:47:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2021-12-21 16:47:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2021-12-21 16:47:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:47:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:47:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:47:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:47:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2021-12-21 16:47:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2021-12-21 16:47:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-21 16:47:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-21 16:47:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2021-12-21 16:47:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2021-12-21 16:47:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2021-12-21 16:47:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2021-12-21 16:47:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2021-12-21 16:47:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2021-12-21 16:47:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2021-12-21 16:47:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2021-12-21 16:47:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2021-12-21 16:47:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2021-12-21 16:47:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:47:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:47:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-21 16:47:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-21 16:47:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:47:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:47:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2021-12-21 16:47:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2021-12-21 16:47:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2021-12-21 16:47:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2021-12-21 16:47:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-21 16:47:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-21 16:47:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-21 16:47:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-21 16:47:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2021-12-21 16:47:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2021-12-21 16:47:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:47:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:47:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:47:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:47:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2021-12-21 16:47:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2021-12-21 16:47:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2021-12-21 16:47:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2021-12-21 16:47:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:47:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-21 16:47:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-21 16:47:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 16:47:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 16:47:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:47:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:47:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2021-12-21 16:47:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2021-12-21 16:47:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2021-12-21 16:47:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2021-12-21 16:47:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2021-12-21 16:47:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2021-12-21 16:47:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2021-12-21 16:47:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2021-12-21 16:47:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:47:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:47:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2021-12-21 16:47:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2021-12-21 16:47:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2021-12-21 16:47:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2021-12-21 16:47:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2021-12-21 16:47:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2021-12-21 16:47:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-21 16:47:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-21 16:47:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2021-12-21 16:47:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2021-12-21 16:47:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2021-12-21 16:47:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2021-12-21 16:47:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2021-12-21 16:47:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2021-12-21 16:47:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2021-12-21 16:47:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2021-12-21 16:47:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:47:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:47:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:47:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:47:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2021-12-21 16:47:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2021-12-21 16:47:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:47:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2021-12-21 16:47:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2021-12-21 16:47:18,068 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:47:18,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:47:18,244 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:47:57,260 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:47:57,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:47:57,280 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:47:57,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:47:57 BoogieIcfgContainer [2021-12-21 16:47:57,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:47:57,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:47:57,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:47:57,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:47:57,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:47:10" (1/3) ... [2021-12-21 16:47:57,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c16e7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:47:57, skipping insertion in model container [2021-12-21 16:47:57,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:47:16" (2/3) ... [2021-12-21 16:47:57,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c16e7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:47:57, skipping insertion in model container [2021-12-21 16:47:57,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:47:57" (3/3) ... [2021-12-21 16:47:57,292 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2021-12-21 16:47:57,297 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:47:57,298 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:47:57,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:47:57,353 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:47:57,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:47:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 2757 states, 1717 states have (on average 1.3104251601630752) internal successors, (2250), 1780 states have internal predecessors, (2250), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) [2021-12-21 16:47:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-21 16:47:57,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:47:57,432 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:47:57,433 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:47:57,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:47:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1252519399, now seen corresponding path program 1 times [2021-12-21 16:47:57,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:47:57,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215517501] [2021-12-21 16:47:57,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:47:57,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:47:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:47:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:47:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:47:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:47:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:47:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:47:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:47:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:47:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:47:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:47:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:47:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:47:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:47:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:47:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:47:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:47:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:47:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:47:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:47:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:47:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-21 16:47:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-21 16:47:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:47:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:47:59,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:47:59,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215517501] [2021-12-21 16:47:59,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215517501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:47:59,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:47:59,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:47:59,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507329061] [2021-12-21 16:47:59,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:47:59,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:47:59,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:47:59,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:47:59,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:47:59,379 INFO L87 Difference]: Start difference. First operand has 2757 states, 1717 states have (on average 1.3104251601630752) internal successors, (2250), 1780 states have internal predecessors, (2250), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 16:48:01,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:03,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:06,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:13,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:16,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []