./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:46:38,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:46:38,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:46:38,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:46:38,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:46:38,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:46:38,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:46:38,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:46:38,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:46:38,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:46:38,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:46:38,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:46:38,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:46:38,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:46:38,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:46:38,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:46:38,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:46:38,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:46:38,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:46:38,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:46:38,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:46:38,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:46:38,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:46:38,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:46:38,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:46:38,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:46:38,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:46:38,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:46:38,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:46:38,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:46:38,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:46:38,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:46:38,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:46:38,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:46:38,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:46:38,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:46:38,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:46:38,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:46:38,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:46:38,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:46:38,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:46:38,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:46:38,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:46:38,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:46:38,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:46:38,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:46:38,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:46:38,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:46:38,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:46:38,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:46:38,813 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:46:38,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:46:38,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:46:38,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:46:38,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:46:38,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:46:38,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:46:38,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:46:38,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:38,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:46:38,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:46:38,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:46:38,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:46:38,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:46:38,818 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:46:38,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:46:38,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:46:38,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:46:38,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2021-12-14 17:46:39,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:46:39,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:46:39,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:46:39,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:46:39,078 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:46:39,079 INFO L432 ainManager$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 [2021-12-14 17:46:39,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c682c83c/fac501cbae704bd0bf63fab58b9e0062/FLAGf87c52408 [2021-12-14 17:46:39,814 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:46:39,815 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 [2021-12-14 17:46:39,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c682c83c/fac501cbae704bd0bf63fab58b9e0062/FLAGf87c52408 [2021-12-14 17:46:39,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c682c83c/fac501cbae704bd0bf63fab58b9e0062 [2021-12-14 17:46:39,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:46:39,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:46:39,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:39,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:46:39,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:46:39,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:39" (1/1) ... [2021-12-14 17:46:39,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3296a1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:39, skipping insertion in model container [2021-12-14 17:46:39,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:39" (1/1) ... [2021-12-14 17:46:39,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:46:40,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:46:41,024 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] [2021-12-14 17:46:42,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:42,465 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:46:42,587 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] [2021-12-14 17:46:42,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:42,942 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:46:42,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42 WrapperNode [2021-12-14 17:46:42,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:42,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:42,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:46:42,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:46:42,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,256 INFO L137 Inliner]: procedures = 382, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 8043 [2021-12-14 17:46:43,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:43,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:46:43,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:46:43,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:46:43,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:46:43,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:46:43,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:46:43,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:46:43,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:43,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:43,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:46:43,689 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) [2021-12-14 17:46:43,730 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 [2021-12-14 17:46:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-14 17:46:43,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-14 17:46:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-12-14 17:46:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-12-14 17:46:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-14 17:46:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-14 17:46:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:46:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:46:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-14 17:46:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-14 17:46:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-14 17:46:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-14 17:46:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-14 17:46:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-14 17:46:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:46:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:46:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-14 17:46:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-14 17:46:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 17:46:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 17:46:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:46:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:46:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-14 17:46:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-14 17:46:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:46:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:46:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-14 17:46:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-14 17:46:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-14 17:46:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-14 17:46:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-14 17:46:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-14 17:46:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:46:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-14 17:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-14 17:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-14 17:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-14 17:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-14 17:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-14 17:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-14 17:46:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-14 17:46:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-14 17:46:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-14 17:46:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-14 17:46:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-14 17:46:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-14 17:46:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-14 17:46:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-14 17:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-14 17:46:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-14 17:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-14 17:46:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:46:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-14 17:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-14 17:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-14 17:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-14 17:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-14 17:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-14 17:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 17:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 17:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:46:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-14 17:46:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-14 17:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:46:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-14 17:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-14 17:46:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:46:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-14 17:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-14 17:46:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-14 17:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-14 17:46:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 17:46:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 17:46:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 17:46:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 17:46:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:46:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:46:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-14 17:46:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-14 17:46:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-14 17:46:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-14 17:46:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:46:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-14 17:46:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-14 17:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-14 17:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-14 17:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-14 17:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-14 17:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-14 17:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-14 17:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-14 17:46:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-14 17:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-14 17:46:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-14 17:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-14 17:46:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-14 17:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-14 17:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-14 17:46:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-14 17:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:46:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 17:46:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 17:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-14 17:46:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-14 17:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-14 17:46:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-14 17:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-14 17:46:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-14 17:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2021-12-14 17:46:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2021-12-14 17:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:46:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-14 17:46:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-14 17:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-14 17:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-14 17:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-14 17:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-14 17:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-14 17:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-14 17:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:46:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-14 17:46:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-14 17:46:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-14 17:46:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-14 17:46:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-14 17:46:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-14 17:46:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:46:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:46:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:46:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-14 17:46:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-14 17:46:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-14 17:46:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-14 17:46:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:46:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:46:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 17:46:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 17:46:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-14 17:46:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-14 17:46:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-14 17:46:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-14 17:46:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-14 17:46:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-14 17:46:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-14 17:46:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-14 17:46:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-14 17:46:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-14 17:46:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-14 17:46:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-14 17:46:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-14 17:46:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-14 17:46:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-14 17:46:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-14 17:46:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 17:46:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 17:46:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:46:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:46:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:46:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-14 17:46:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-14 17:46:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-14 17:46:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-14 17:46:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-14 17:46:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-14 17:46:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:46:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:46:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-14 17:46:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-14 17:46:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-14 17:46:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-14 17:46:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-14 17:46:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-14 17:46:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-14 17:46:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-14 17:46:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-14 17:46:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:46:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:46:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 17:46:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 17:46:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-14 17:46:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-14 17:46:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-14 17:46:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-14 17:46:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:46:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:46:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:46:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:46:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:46:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-14 17:46:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-14 17:46:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:46:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:46:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-14 17:46:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-14 17:46:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-14 17:46:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-14 17:46:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-14 17:46:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-14 17:46:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-14 17:46:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-14 17:46:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-14 17:46:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-14 17:46:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-14 17:46:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-14 17:46:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-14 17:46:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-14 17:46:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 17:46:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 17:46:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 17:46:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 17:46:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:46:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:46:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-14 17:46:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-14 17:46:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-14 17:46:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-14 17:46:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-14 17:46:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-14 17:46:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-14 17:46:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-14 17:46:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-14 17:46:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-14 17:46:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-14 17:46:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-14 17:46:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:46:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-14 17:46:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-14 17:46:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-14 17:46:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-14 17:46:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-14 17:46:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-14 17:46:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-14 17:46:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-14 17:46:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-14 17:46:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-14 17:46:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-14 17:46:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-14 17:46:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-14 17:46:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:46:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:46:43,787 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-14 17:46:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-14 17:46:44,584 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:46:44,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:46:44,878 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:46:49,681 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:46:49,705 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:46:49,705 INFO L301 CfgBuilder]: Removed 81 assume(true) statements. [2021-12-14 17:46:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:49 BoogieIcfgContainer [2021-12-14 17:46:49,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:46:49,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:46:49,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:46:49,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:46:49,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:46:39" (1/3) ... [2021-12-14 17:46:49,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e6a703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:49, skipping insertion in model container [2021-12-14 17:46:49,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42" (2/3) ... [2021-12-14 17:46:49,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e6a703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:49, skipping insertion in model container [2021-12-14 17:46:49,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:49" (3/3) ... [2021-12-14 17:46:49,716 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 [2021-12-14 17:46:49,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:46:49,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:46:49,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:46:49,769 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 [2021-12-14 17:46:49,770 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:46:49,834 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) [2021-12-14 17:46:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-14 17:46:49,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:49,847 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] [2021-12-14 17:46:49,851 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2021-12-14 17:46:49,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:49,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026103134] [2021-12-14 17:46:49,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:49,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:46:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:46:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:46:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:46:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-14 17:46:50,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:50,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026103134] [2021-12-14 17:46:50,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026103134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:50,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:50,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:46:50,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98283675] [2021-12-14 17:46:50,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:50,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:46:50,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:50,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:46:50,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:46:50,573 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) [2021-12-14 17:46:52,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:54,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:55,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:58,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:13,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:47:13,805 INFO L93 Difference]: Finished difference Result 10779 states and 17210 transitions. [2021-12-14 17:47:13,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:47:13,807 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 [2021-12-14 17:47:13,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:47:13,886 INFO L225 Difference]: With dead ends: 10779 [2021-12-14 17:47:13,886 INFO L226 Difference]: Without dead ends: 7107 [2021-12-14 17:47:13,926 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 [2021-12-14 17:47:13,930 INFO L933 BasicCegarLoop]: 4722 mSDtfsCounter, 7649 mSDsluCounter, 6219 mSDsCounter, 0 mSdLazyCounter, 6652 mSolverCounterSat, 10827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8150 SdHoareTripleChecker+Valid, 10941 SdHoareTripleChecker+Invalid, 17479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10827 IncrementalHoareTripleChecker+Valid, 6652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:47:13,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8150 Valid, 10941 Invalid, 17479 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10827 Valid, 6652 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2021-12-14 17:47:13,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-12-14 17:47:14,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 6695. [2021-12-14 17:47:14,528 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) [2021-12-14 17:47:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 10356 transitions. [2021-12-14 17:47:14,579 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 10356 transitions. Word has length 78 [2021-12-14 17:47:14,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:47:14,581 INFO L470 AbstractCegarLoop]: Abstraction has 6695 states and 10356 transitions. [2021-12-14 17:47:14,581 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) [2021-12-14 17:47:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 10356 transitions. [2021-12-14 17:47:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-14 17:47:14,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:47:14,589 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] [2021-12-14 17:47:14,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:47:14,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:47:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:47:14,590 INFO L85 PathProgramCache]: Analyzing trace with hash 673830489, now seen corresponding path program 1 times [2021-12-14 17:47:14,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:47:14,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330761617] [2021-12-14 17:47:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:47:14,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:47:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:47:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:47:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:47:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:47:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:47:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:47:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:47:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:47:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:47:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-14 17:47:15,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:47:15,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330761617] [2021-12-14 17:47:15,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330761617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:47:15,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:47:15,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:47:15,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244556033] [2021-12-14 17:47:15,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:47:15,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:47:15,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:47:15,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:47:15,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:47:15,011 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) [2021-12-14 17:47:18,963 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 [] [2021-12-14 17:47:21,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:23,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:27,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:29,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:32,921 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 []