./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:31:19,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:31:19,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:31:19,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:31:19,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:31:19,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:31:19,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:31:19,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:31:19,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:31:19,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:31:19,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:31:19,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:31:19,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:31:19,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:31:19,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:31:19,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:31:19,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:31:19,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:31:19,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:31:19,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:31:19,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:31:19,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:31:19,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:31:19,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:31:19,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:31:19,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:31:19,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:31:19,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:31:19,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:31:19,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:31:19,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:31:19,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:31:19,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:31:19,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:31:19,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:31:19,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:31:19,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:31:19,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:31:19,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:31:19,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:31:19,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:31:19,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:31:19,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:31:19,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:31:19,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:31:19,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:31:19,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:31:19,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:31:19,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:31:19,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:31:19,612 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:31:19,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:31:19,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:31:19,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:31:19,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:31:19,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:31:19,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:31:19,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:31:19,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:31:19,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:31:19,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:31:19,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-12-16 04:31:19,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:31:19,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:31:19,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:31:19,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:31:19,826 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:31:19,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-16 04:31:19,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b75a34a/8419f9eb0d6d4fd6bcfd33328e41a884/FLAGecd4c785b [2021-12-16 04:31:20,593 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:31:20,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-16 04:31:20,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b75a34a/8419f9eb0d6d4fd6bcfd33328e41a884/FLAGecd4c785b [2021-12-16 04:31:20,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b75a34a/8419f9eb0d6d4fd6bcfd33328e41a884 [2021-12-16 04:31:20,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:31:20,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:31:20,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:31:20,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:31:20,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:31:20,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:31:20" (1/1) ... [2021-12-16 04:31:20,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145cc1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:20, skipping insertion in model container [2021-12-16 04:31:20,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:31:20" (1/1) ... [2021-12-16 04:31:20,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:31:20,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:31:23,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-12-16 04:31:23,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:31:23,571 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:31:23,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-12-16 04:31:23,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:31:24,090 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:31:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24 WrapperNode [2021-12-16 04:31:24,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:31:24,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:31:24,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:31:24,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:31:24,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,357 INFO L137 Inliner]: procedures = 333, calls = 3594, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6651 [2021-12-16 04:31:24,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:31:24,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:31:24,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:31:24,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:31:24,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:31:24,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:31:24,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:31:24,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:31:24,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (1/1) ... [2021-12-16 04:31:24,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:31:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:31:24,781 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) [2021-12-16 04:31:24,782 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 [2021-12-16 04:31:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-16 04:31:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-16 04:31:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:31:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-16 04:31:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:31:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2021-12-16 04:31:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2021-12-16 04:31:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:31:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:31:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-16 04:31:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-16 04:31:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-16 04:31:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-16 04:31:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:31:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:31:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-16 04:31:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-16 04:31:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:31:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:31:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-16 04:31:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-16 04:31:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:31:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:31:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-16 04:31:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-16 04:31:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-16 04:31:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-16 04:31:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-16 04:31:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-16 04:31:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-16 04:31:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-16 04:31:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-16 04:31:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-16 04:31:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:31:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:31:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-16 04:31:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-16 04:31:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-16 04:31:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-16 04:31:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-16 04:31:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-16 04:31:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:31:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:31:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-16 04:31:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-16 04:31:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-16 04:31:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-16 04:31:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-16 04:31:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-16 04:31:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:31:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:31:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-16 04:31:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-16 04:31:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-16 04:31:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-16 04:31:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:31:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:31:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:31:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:31:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-16 04:31:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-16 04:31:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-16 04:31:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-16 04:31:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:31:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:31:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-16 04:31:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-16 04:31:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-16 04:31:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-16 04:31:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-16 04:31:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-16 04:31:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-16 04:31:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-16 04:31:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-16 04:31:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-16 04:31:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 04:31:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 04:31:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:31:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-16 04:31:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-16 04:31:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-16 04:31:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-16 04:31:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:31:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-16 04:31:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-16 04:31:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-16 04:31:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-16 04:31:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-16 04:31:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-16 04:31:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-16 04:31:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-16 04:31:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-16 04:31:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-16 04:31:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-16 04:31:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-16 04:31:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:31:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-16 04:31:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-16 04:31:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-16 04:31:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-16 04:31:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 04:31:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 04:31:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:31:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:31:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:31:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:31:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-16 04:31:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-16 04:31:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-16 04:31:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-16 04:31:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-16 04:31:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:31:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-16 04:31:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-16 04:31:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-16 04:31:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-16 04:31:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:31:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:31:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:31:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:31:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-16 04:31:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:31:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-16 04:31:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:31:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:31:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-16 04:31:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-16 04:31:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-16 04:31:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-16 04:31:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:31:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-16 04:31:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-16 04:31:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-16 04:31:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-16 04:31:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:31:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:31:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:31:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-16 04:31:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-16 04:31:25,617 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:31:25,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:31:25,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:31:36,214 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:31:36,242 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:31:36,242 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-16 04:31:36,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:31:36 BoogieIcfgContainer [2021-12-16 04:31:36,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:31:36,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:31:36,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:31:36,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:31:36,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:31:20" (1/3) ... [2021-12-16 04:31:36,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d77589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:31:36, skipping insertion in model container [2021-12-16 04:31:36,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:31:24" (2/3) ... [2021-12-16 04:31:36,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d77589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:31:36, skipping insertion in model container [2021-12-16 04:31:36,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:31:36" (3/3) ... [2021-12-16 04:31:36,253 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-12-16 04:31:36,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:31:36,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:31:36,316 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:31:36,329 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 [2021-12-16 04:31:36,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:31:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-16 04:31:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-16 04:31:36,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:31:36,412 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:31:36,412 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:31:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:31:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1090600094, now seen corresponding path program 1 times [2021-12-16 04:31:36,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:31:36,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075973988] [2021-12-16 04:31:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:31:36,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:31:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:31:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:31:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:31:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:31:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:31:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:31:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:31:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:31:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-16 04:31:37,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:31:37,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075973988] [2021-12-16 04:31:37,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075973988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:31:37,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:31:37,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:31:37,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615526596] [2021-12-16 04:31:37,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:31:37,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:31:37,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:31:37,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:31:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:31:37,157 INFO L87 Difference]: Start difference. First operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:31:39,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:31:47,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:31:47,196 INFO L93 Difference]: Finished difference Result 7373 states and 11202 transitions. [2021-12-16 04:31:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:31:47,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-12-16 04:31:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:31:47,248 INFO L225 Difference]: With dead ends: 7373 [2021-12-16 04:31:47,248 INFO L226 Difference]: Without dead ends: 3913 [2021-12-16 04:31:47,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:31:47,284 INFO L933 BasicCegarLoop]: 4135 mSDtfsCounter, 3574 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 2776 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 6606 SdHoareTripleChecker+Invalid, 6639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2776 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:31:47,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3595 Valid, 6606 Invalid, 6639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2776 Valid, 3862 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2021-12-16 04:31:47,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2021-12-16 04:31:47,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3375. [2021-12-16 04:31:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2410 states have (on average 1.3817427385892116) internal successors, (3330), 2449 states have internal predecessors, (3330), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2021-12-16 04:31:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4989 transitions. [2021-12-16 04:31:47,534 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4989 transitions. Word has length 126 [2021-12-16 04:31:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:31:47,535 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4989 transitions. [2021-12-16 04:31:47,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:31:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4989 transitions. [2021-12-16 04:31:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-16 04:31:47,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:31:47,540 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:31:47,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:31:47,541 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:31:47,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:31:47,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1978075498, now seen corresponding path program 1 times [2021-12-16 04:31:47,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:31:47,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095946351] [2021-12-16 04:31:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:31:47,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:31:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:31:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:31:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:31:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:31:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:31:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:31:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:31:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:31:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:31:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:31:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:31:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-16 04:31:47,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:31:47,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095946351] [2021-12-16 04:31:47,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095946351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:31:47,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:31:47,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:31:47,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639719960] [2021-12-16 04:31:47,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:31:47,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:31:47,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:31:47,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:31:47,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:31:47,973 INFO L87 Difference]: Start difference. First operand 3375 states and 4989 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:31:49,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:31:52,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:32:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:32:10,037 INFO L93 Difference]: Finished difference Result 10892 states and 16259 transitions. [2021-12-16 04:32:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:32:10,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-12-16 04:32:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:32:10,093 INFO L225 Difference]: With dead ends: 10892 [2021-12-16 04:32:10,093 INFO L226 Difference]: Without dead ends: 7537 [2021-12-16 04:32:10,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:32:10,113 INFO L933 BasicCegarLoop]: 4888 mSDtfsCounter, 10305 mSDsluCounter, 7618 mSDsCounter, 0 mSdLazyCounter, 9110 mSolverCounterSat, 6103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10639 SdHoareTripleChecker+Valid, 12506 SdHoareTripleChecker+Invalid, 15215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6103 IncrementalHoareTripleChecker+Valid, 9110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:32:10,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10639 Valid, 12506 Invalid, 15215 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6103 Valid, 9110 Invalid, 2 Unknown, 0 Unchecked, 21.3s Time] [2021-12-16 04:32:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2021-12-16 04:32:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 6460. [2021-12-16 04:32:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 4622 states have (on average 1.3823020337516227) internal successors, (6389), 4699 states have internal predecessors, (6389), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-12-16 04:32:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 9544 transitions. [2021-12-16 04:32:10,381 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 9544 transitions. Word has length 126 [2021-12-16 04:32:10,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:32:10,384 INFO L470 AbstractCegarLoop]: Abstraction has 6460 states and 9544 transitions. [2021-12-16 04:32:10,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:32:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 9544 transitions. [2021-12-16 04:32:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 04:32:10,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:32:10,391 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:32:10,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:32:10,391 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:32:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:32:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1016440010, now seen corresponding path program 1 times [2021-12-16 04:32:10,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:32:10,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923811286] [2021-12-16 04:32:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:32:10,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:32:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:32:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:32:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:32:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:32:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:32:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:32:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:32:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:32:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:32:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:32:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:32:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-16 04:32:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-16 04:32:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:32:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-16 04:32:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:32:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 04:32:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-16 04:32:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:32:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-16 04:32:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:32:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-16 04:32:10,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:32:10,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923811286] [2021-12-16 04:32:10,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923811286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:32:10,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:32:10,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:32:10,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203529880] [2021-12-16 04:32:10,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:32:10,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:32:10,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:32:10,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:32:10,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:32:10,839 INFO L87 Difference]: Start difference. First operand 6460 states and 9544 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-16 04:32:12,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:32:14,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:32:16,723 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 []