./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.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 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 03:58:57,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:58:57,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:58:57,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:58:57,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:58:57,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:58:57,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:58:57,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:58:57,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:58:57,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:58:57,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:58:57,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:58:57,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:58:57,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:58:57,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:58:57,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:58:57,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:58:57,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:58:57,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:58:57,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:58:57,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:58:57,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:58:57,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:58:57,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:58:57,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:58:57,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:58:57,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:58:57,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:58:57,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:58:57,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:58:57,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:58:57,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:58:57,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:58:57,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:58:57,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:58:57,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:58:57,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:58:57,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:58:57,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:58:57,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:58:57,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:58:57,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:58:57,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:58:57,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:58:57,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:58:57,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:58:57,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:58:57,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:58:57,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:58:57,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:58:57,531 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:58:57,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:58:57,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:58:57,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:58:57,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:58:57,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:58:57,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:58:57,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:58:57,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:58:57,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:58:57,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:58:57,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:58:57,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:58:57,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:58:57,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:58:57,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:58:57,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2021-12-28 03:58:57,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:58:57,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:58:57,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:58:57,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:58:57,809 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:58:57,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-28 03:58:57,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06843812/35d3bba246374dd9bfcac149b427117f/FLAGcc9573775 [2021-12-28 03:58:58,593 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:58:58,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-28 03:58:58,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06843812/35d3bba246374dd9bfcac149b427117f/FLAGcc9573775 [2021-12-28 03:58:58,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06843812/35d3bba246374dd9bfcac149b427117f [2021-12-28 03:58:58,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:58:58,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:58:58,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:58:58,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:58:58,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:58:58,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:58" (1/1) ... [2021-12-28 03:58:58,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694d0b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:58, skipping insertion in model container [2021-12-28 03:58:58,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:58" (1/1) ... [2021-12-28 03:58:58,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:58:59,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:59:00,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-12-28 03:59:01,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:01,353 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:59:01,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-12-28 03:59:01,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:01,846 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:59:01,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01 WrapperNode [2021-12-28 03:59:01,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:59:01,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:01,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:59:01,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:59:01,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,222 INFO L137 Inliner]: procedures = 382, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 8043 [2021-12-28 03:59:02,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:02,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:59:02,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:59:02,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:59:02,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:59:02,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:59:02,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:59:02,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:59:02,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (1/1) ... [2021-12-28 03:59:02,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:59:02,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:59:02,555 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) [2021-12-28 03:59:02,567 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 [2021-12-28 03:59:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-28 03:59:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:59:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 03:59:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-28 03:59:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-28 03:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-28 03:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-28 03:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-28 03:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-28 03:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-28 03:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-28 03:59:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-28 03:59:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-28 03:59:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-28 03:59:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-28 03:59:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-28 03:59:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-28 03:59:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-28 03:59:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-28 03:59:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-28 03:59:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-28 03:59:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-28 03:59:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-28 03:59:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-28 03:59:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-28 03:59:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-28 03:59:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-28 03:59:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-28 03:59:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-28 03:59:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-28 03:59:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:59:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:59:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 03:59:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 03:59:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 03:59:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 03:59:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-28 03:59:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-28 03:59:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:59:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:59:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-28 03:59:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-28 03:59:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:59:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:59:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-28 03:59:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-28 03:59:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-28 03:59:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-28 03:59:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 03:59:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 03:59:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:59:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-28 03:59:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-28 03:59:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:59:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-28 03:59:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-28 03:59:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-28 03:59:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-28 03:59:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-28 03:59:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-28 03:59:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:59:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-28 03:59:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-28 03:59:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-28 03:59:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-28 03:59:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-28 03:59:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-28 03:59:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-28 03:59:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-28 03:59:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:59:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 03:59:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-28 03:59:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-28 03:59:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-28 03:59:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-28 03:59:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-28 03:59:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-28 03:59:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 03:59:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 03:59:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2021-12-28 03:59:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2021-12-28 03:59:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 03:59:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 03:59:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-28 03:59:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-28 03:59:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-28 03:59:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-28 03:59:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:59:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:59:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:59:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-28 03:59:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-28 03:59:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:59:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:59:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:59:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:59:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-28 03:59:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-28 03:59:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-28 03:59:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-28 03:59:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:59:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 03:59:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 03:59:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-28 03:59:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-28 03:59:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-28 03:59:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-28 03:59:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:59:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:59:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-28 03:59:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-28 03:59:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-28 03:59:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-28 03:59:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-28 03:59:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-28 03:59:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-28 03:59:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-28 03:59:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-28 03:59:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-28 03:59:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-28 03:59:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-28 03:59:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-28 03:59:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-28 03:59:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-28 03:59:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-28 03:59:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-28 03:59:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 03:59:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 03:59:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-28 03:59:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-28 03:59:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-28 03:59:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-28 03:59:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:59:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-28 03:59:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-28 03:59:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-28 03:59:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-28 03:59:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-28 03:59:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 03:59:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-28 03:59:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-28 03:59:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-28 03:59:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 03:59:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 03:59:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:59:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 03:59:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 03:59:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-28 03:59:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-28 03:59:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:59:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:59:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-28 03:59:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-28 03:59:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-28 03:59:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-28 03:59:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-28 03:59:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-28 03:59:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-28 03:59:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-28 03:59:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-28 03:59:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-28 03:59:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-28 03:59:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-28 03:59:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-28 03:59:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-28 03:59:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 03:59:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 03:59:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 03:59:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 03:59:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 03:59:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 03:59:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-28 03:59:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-28 03:59:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-28 03:59:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-28 03:59:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-28 03:59:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-28 03:59:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-28 03:59:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:59:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-28 03:59:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-28 03:59:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-28 03:59:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-28 03:59:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-28 03:59:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-28 03:59:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-28 03:59:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-28 03:59:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-28 03:59:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-28 03:59:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-28 03:59:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-28 03:59:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-28 03:59:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:59:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:59:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-28 03:59:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-28 03:59:03,499 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:59:03,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:59:03,692 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:59:08,543 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:59:08,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:59:08,567 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2021-12-28 03:59:08,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:08 BoogieIcfgContainer [2021-12-28 03:59:08,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:59:08,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:59:08,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:59:08,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:59:08,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:58:58" (1/3) ... [2021-12-28 03:59:08,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef35c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:08, skipping insertion in model container [2021-12-28 03:59:08,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:01" (2/3) ... [2021-12-28 03:59:08,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef35c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:08, skipping insertion in model container [2021-12-28 03:59:08,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:08" (3/3) ... [2021-12-28 03:59:08,578 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-28 03:59:08,582 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:59:08,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:59:08,631 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:59:08,635 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 [2021-12-28 03:59:08,635 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:59:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) [2021-12-28 03:59:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-28 03:59:08,706 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:08,707 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-12-28 03:59:08,708 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:08,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2021-12-28 03:59:08,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:08,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010128214] [2021-12-28 03:59:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:08,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:59:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:59:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:59:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:59:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:59:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:59:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-28 03:59:09,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:09,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010128214] [2021-12-28 03:59:09,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010128214] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:09,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:09,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:59:09,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481281448] [2021-12-28 03:59:09,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:09,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:59:09,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:09,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:59:09,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:59:09,334 INFO L87 Difference]: Start difference. First operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-28 03:59:13,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:16,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:18,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:22,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:25,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:27,416 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 [] [2021-12-28 03:59:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:38,320 INFO L93 Difference]: Finished difference Result 10779 states and 17210 transitions. [2021-12-28 03:59:38,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:59:38,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 78 [2021-12-28 03:59:38,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:38,385 INFO L225 Difference]: With dead ends: 10779 [2021-12-28 03:59:38,386 INFO L226 Difference]: Without dead ends: 7107 [2021-12-28 03:59:38,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:59:38,417 INFO L933 BasicCegarLoop]: 4730 mSDtfsCounter, 7647 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 7905 mSolverCounterSat, 10820 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8142 SdHoareTripleChecker+Valid, 9706 SdHoareTripleChecker+Invalid, 18729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10820 IncrementalHoareTripleChecker+Valid, 7905 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:38,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8142 Valid, 9706 Invalid, 18729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10820 Valid, 7905 Invalid, 4 Unknown, 0 Unchecked, 28.0s Time] [2021-12-28 03:59:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-12-28 03:59:38,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 6695. [2021-12-28 03:59:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6695 states, 3651 states have (on average 1.301287318542865) internal successors, (4751), 3791 states have internal predecessors, (4751), 2803 states have call successors, (2803), 241 states have call predecessors, (2803), 240 states have return successors, (2802), 2732 states have call predecessors, (2802), 2802 states have call successors, (2802) [2021-12-28 03:59:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 10356 transitions. [2021-12-28 03:59:38,959 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 10356 transitions. Word has length 78 [2021-12-28 03:59:38,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:38,960 INFO L470 AbstractCegarLoop]: Abstraction has 6695 states and 10356 transitions. [2021-12-28 03:59:38,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-28 03:59:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 10356 transitions. [2021-12-28 03:59:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-28 03:59:38,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:38,968 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-12-28 03:59:38,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:59:38,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:38,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:38,972 INFO L85 PathProgramCache]: Analyzing trace with hash 673830489, now seen corresponding path program 1 times [2021-12-28 03:59:38,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:38,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930222810] [2021-12-28 03:59:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:38,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:59:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:59:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:59:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:59:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:59:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:59:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-28 03:59:39,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:39,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930222810] [2021-12-28 03:59:39,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930222810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:39,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:39,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 03:59:39,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735211993] [2021-12-28 03:59:39,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:39,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 03:59:39,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 03:59:39,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 03:59:39,351 INFO L87 Difference]: Start difference. First operand 6695 states and 10356 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 03:59:42,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:44,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:45,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:49,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:51,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []