./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 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-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-ff03de6 [2021-12-21 16:14:11,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:14:11,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:14:11,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:14:11,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:14:11,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:14:11,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:14:11,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:14:11,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:14:11,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:14:11,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:14:11,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:14:11,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:14:11,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:14:11,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:14:11,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:14:11,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:14:11,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:14:11,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:14:11,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:14:11,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:14:11,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:14:11,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:14:11,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:14:11,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:14:11,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:14:11,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:14:11,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:14:11,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:14:11,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:14:11,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:14:11,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:14:11,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:14:11,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:14:11,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:14:11,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:14:11,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:14:11,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:14:11,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:14:11,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:14:11,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:14:11,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:14:11,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:14:11,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:14:11,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:14:11,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:14:11,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:14:11,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:14:11,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:14:11,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:14:11,632 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:14:11,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:14:11,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:14:11,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:14:11,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:14:11,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:14:11,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:14:11,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:14:11,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:14:11,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:14:11,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:14:11,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:14:11,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:14:11,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:14:11,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:14:11,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:14:11,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:14:11,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:14:11,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:14:11,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:14:11,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:14:11,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:14:11,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:14:11,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2021-12-21 16:14:11,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:14:11,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:14:11,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:14:11,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:14:11,859 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:14:11,860 INFO L432 ainManager$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 [2021-12-21 16:14:11,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d2d2b5a/32d830c6d93d459e89cec04dedf674a2/FLAG5b3eb7e78 [2021-12-21 16:14:12,658 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:14:12,659 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 [2021-12-21 16:14:12,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d2d2b5a/32d830c6d93d459e89cec04dedf674a2/FLAG5b3eb7e78 [2021-12-21 16:14:12,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d2d2b5a/32d830c6d93d459e89cec04dedf674a2 [2021-12-21 16:14:12,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:14:12,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:14:12,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:14:12,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:14:12,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:14:12,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:14:12" (1/1) ... [2021-12-21 16:14:12,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d306873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:12, skipping insertion in model container [2021-12-21 16:14:12,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:14:12" (1/1) ... [2021-12-21 16:14:12,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:14:13,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:14:14,253 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] [2021-12-21 16:14:15,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:14:15,622 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:14:15,756 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] [2021-12-21 16:14:15,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:14:16,065 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:14:16,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16 WrapperNode [2021-12-21 16:14:16,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:14:16,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:14:16,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:14:16,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:14:16,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,384 INFO L137 Inliner]: procedures = 382, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 8043 [2021-12-21 16:14:16,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:14:16,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:14:16,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:14:16,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:14:16,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:14:16,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:14:16,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:14:16,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:14:16,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (1/1) ... [2021-12-21 16:14:16,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:14:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:14:16,823 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 16:14:16,840 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 16:14:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-21 16:14:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-21 16:14:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-12-21 16:14:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-12-21 16:14:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-21 16:14:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-21 16:14:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:14:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:14:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-21 16:14:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-21 16:14:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-21 16:14:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-21 16:14:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-21 16:14:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-21 16:14:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:14:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:14:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-21 16:14:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-21 16:14:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:14:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:14:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:14:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:14:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-21 16:14:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-21 16:14:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:14:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:14:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-21 16:14:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-21 16:14:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-21 16:14:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-21 16:14:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-21 16:14:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-21 16:14:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:14:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:14:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-21 16:14:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-21 16:14:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-21 16:14:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-21 16:14:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-21 16:14:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-21 16:14:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-21 16:14:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-21 16:14:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-21 16:14:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-21 16:14:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-21 16:14:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-21 16:14:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-21 16:14:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-21 16:14:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-21 16:14:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-21 16:14:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-21 16:14:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-21 16:14:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-21 16:14:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-21 16:14:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-21 16:14:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-21 16:14:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-21 16:14:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-21 16:14:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-21 16:14:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-21 16:14:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:14:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:14:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:14:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:14:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:14:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:14:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-21 16:14:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-21 16:14:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:14:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:14:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-21 16:14:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-21 16:14:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:14:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:14:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-21 16:14:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-21 16:14:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-21 16:14:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-21 16:14:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:14:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:14:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 16:14:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 16:14:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:14:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:14:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-21 16:14:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-21 16:14:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-21 16:14:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-21 16:14:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:14:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-21 16:14:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-21 16:14:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-21 16:14:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-21 16:14:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-21 16:14:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-21 16:14:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:14:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-21 16:14:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-21 16:14:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-21 16:14:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-21 16:14:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-21 16:14:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-21 16:14:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-21 16:14:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-21 16:14:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-21 16:14:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-21 16:14:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-21 16:14:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:14:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:14:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:14:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:14:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:14:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:14:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-21 16:14:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-21 16:14:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-21 16:14:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-21 16:14:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-21 16:14:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-21 16:14:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:14:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:14:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2021-12-21 16:14:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2021-12-21 16:14:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:14:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:14:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-21 16:14:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-21 16:14:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-21 16:14:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-21 16:14:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:14:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:14:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:14:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-21 16:14:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-21 16:14:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:14:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:14:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:14:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:14:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-21 16:14:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-21 16:14:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:14:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-21 16:14:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-21 16:14:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-21 16:14:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-21 16:14:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-21 16:14:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-21 16:14:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:14:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:14:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:14:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-21 16:14:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-21 16:14:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-21 16:14:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-21 16:14:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:14:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:14:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 16:14:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 16:14:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-21 16:14:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-21 16:14:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-21 16:14:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-21 16:14:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-21 16:14:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-21 16:14:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-21 16:14:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-21 16:14:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-21 16:14:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-21 16:14:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-21 16:14:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-21 16:14:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-21 16:14:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-21 16:14:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-21 16:14:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-21 16:14:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 16:14:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 16:14:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:14:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:14:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:14:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-21 16:14:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-21 16:14:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-21 16:14:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-21 16:14:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-21 16:14:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-21 16:14:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:14:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:14:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-21 16:14:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-21 16:14:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-21 16:14:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-21 16:14:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-21 16:14:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-21 16:14:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-21 16:14:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-21 16:14:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-21 16:14:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:14:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:14:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:14:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:14:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-21 16:14:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-21 16:14:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-21 16:14:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-21 16:14:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:14:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:14:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:14:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:14:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:14:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-21 16:14:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-21 16:14:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:14:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:14:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-21 16:14:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-21 16:14:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-21 16:14:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-21 16:14:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-21 16:14:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-21 16:14:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-21 16:14:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-21 16:14:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-21 16:14:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-21 16:14:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-21 16:14:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-21 16:14:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-21 16:14:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-21 16:14:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-21 16:14:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-21 16:14:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 16:14:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 16:14:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:14:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:14:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-21 16:14:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-21 16:14:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-21 16:14:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-21 16:14:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-21 16:14:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-21 16:14:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-21 16:14:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-21 16:14:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-21 16:14:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-21 16:14:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-21 16:14:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-21 16:14:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:14:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-21 16:14:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-21 16:14:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-21 16:14:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-21 16:14:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-21 16:14:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-21 16:14:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-21 16:14:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-21 16:14:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-21 16:14:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-21 16:14:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-21 16:14:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-21 16:14:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-21 16:14:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:14:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:14:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-21 16:14:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-21 16:14:17,746 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:14:17,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:14:17,977 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:14:23,657 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:14:23,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:14:23,691 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2021-12-21 16:14:23,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:14:23 BoogieIcfgContainer [2021-12-21 16:14:23,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:14:23,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:14:23,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:14:23,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:14:23,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:14:12" (1/3) ... [2021-12-21 16:14:23,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e051e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:14:23, skipping insertion in model container [2021-12-21 16:14:23,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:14:16" (2/3) ... [2021-12-21 16:14:23,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e051e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:14:23, skipping insertion in model container [2021-12-21 16:14:23,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:14:23" (3/3) ... [2021-12-21 16:14:23,706 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 [2021-12-21 16:14:23,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:14:23,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:14:23,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:14:23,786 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 16:14:23,787 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:14:23,872 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) [2021-12-21 16:14:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-21 16:14:23,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:14:23,894 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] [2021-12-21 16:14:23,895 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:14:23,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:14:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2021-12-21 16:14:23,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:14:23,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150799779] [2021-12-21 16:14:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:14:23,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:14:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:14:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:14:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:14:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:14:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:14:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:14:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:14:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:14:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:14:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-21 16:14:24,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:14:24,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150799779] [2021-12-21 16:14:24,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150799779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:14:24,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:14:24,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:14:24,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227797900] [2021-12-21 16:14:24,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:14:24,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:14:24,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:14:24,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:14:24,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:14:24,775 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) [2021-12-21 16:14:31,535 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 [] [2021-12-21 16:14:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:14:45,322 INFO L93 Difference]: Finished difference Result 10779 states and 17210 transitions. [2021-12-21 16:14:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:14:45,325 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 [2021-12-21 16:14:45,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:14:45,483 INFO L225 Difference]: With dead ends: 10779 [2021-12-21 16:14:45,484 INFO L226 Difference]: Without dead ends: 7107 [2021-12-21 16:14:45,517 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 [2021-12-21 16:14:45,520 INFO L933 BasicCegarLoop]: 4721 mSDtfsCounter, 7647 mSDsluCounter, 6203 mSDsCounter, 0 mSdLazyCounter, 6652 mSolverCounterSat, 10825 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8144 SdHoareTripleChecker+Valid, 10924 SdHoareTripleChecker+Invalid, 17478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10825 IncrementalHoareTripleChecker+Valid, 6652 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:14:45,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8144 Valid, 10924 Invalid, 17478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10825 Valid, 6652 Invalid, 1 Unknown, 0 Unchecked, 19.8s Time] [2021-12-21 16:14:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-12-21 16:14:46,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 6695. [2021-12-21 16:14:46,070 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) [2021-12-21 16:14:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 10356 transitions. [2021-12-21 16:14:46,134 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 10356 transitions. Word has length 78 [2021-12-21 16:14:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:14:46,136 INFO L470 AbstractCegarLoop]: Abstraction has 6695 states and 10356 transitions. [2021-12-21 16:14:46,137 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) [2021-12-21 16:14:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 10356 transitions. [2021-12-21 16:14:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-21 16:14:46,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:14:46,146 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] [2021-12-21 16:14:46,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:14:46,146 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:14:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:14:46,147 INFO L85 PathProgramCache]: Analyzing trace with hash 673830489, now seen corresponding path program 1 times [2021-12-21 16:14:46,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:14:46,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099134823] [2021-12-21 16:14:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:14:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:14:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:14:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:14:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:14:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:14:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:14:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:14:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:14:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:14:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:14:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-21 16:14:46,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:14:46,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099134823] [2021-12-21 16:14:46,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099134823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:14:46,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:14:46,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:14:46,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523579649] [2021-12-21 16:14:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:14:46,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:14:46,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:14:46,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:14:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:14:46,574 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) [2021-12-21 16:14:50,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:51,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:54,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:59,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:15:01,772 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 []