./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:19:39,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:19:39,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:19:39,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:19:39,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:19:39,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:19:39,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:19:39,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:19:39,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:19:39,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:19:39,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:19:39,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:19:39,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:19:39,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:19:39,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:19:39,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:19:39,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:19:39,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:19:39,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:19:39,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:19:39,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:19:39,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:19:39,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:19:39,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:19:39,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:19:39,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:19:39,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:19:39,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:19:39,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:19:39,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:19:39,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:19:39,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:19:39,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:19:39,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:19:39,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:19:39,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:19:39,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:19:39,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:19:39,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:19:39,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:19:39,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:19:39,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:19:39,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:19:39,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:19:39,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:19:39,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:19:39,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:19:39,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:19:39,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:19:39,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:19:39,473 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:19:39,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:19:39,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:19:39,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:19:39,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:19:39,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:19:39,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:19:39,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:19:39,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:19:39,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:19:39,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:19:39,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:19:39,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:19:39,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2021-12-21 17:19:39,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:19:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:19:39,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:19:39,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:19:39,686 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:19:39,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-21 17:19:39,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0aebdc2/aab90c2c65de4177bf2baa8bb93a60a3/FLAG651d1c06b [2021-12-21 17:19:40,377 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:19:40,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-21 17:19:40,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0aebdc2/aab90c2c65de4177bf2baa8bb93a60a3/FLAG651d1c06b [2021-12-21 17:19:40,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0aebdc2/aab90c2c65de4177bf2baa8bb93a60a3 [2021-12-21 17:19:40,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:19:40,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:19:40,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:19:40,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:19:40,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:19:40,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:19:40" (1/1) ... [2021-12-21 17:19:40,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dbd205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:40, skipping insertion in model container [2021-12-21 17:19:40,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:19:40" (1/1) ... [2021-12-21 17:19:40,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:19:40,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:19:43,695 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2021-12-21 17:19:43,698 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2021-12-21 17:19:43,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:19:43,741 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:19:44,033 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2021-12-21 17:19:44,034 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2021-12-21 17:19:44,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:19:44,227 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:19:44,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44 WrapperNode [2021-12-21 17:19:44,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:19:44,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:19:44,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:19:44,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:19:44,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,540 INFO L137 Inliner]: procedures = 556, calls = 2944, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7429 [2021-12-21 17:19:44,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:19:44,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:19:44,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:19:44,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:19:44,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:19:44,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:19:44,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:19:44,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:19:44,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (1/1) ... [2021-12-21 17:19:44,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:19:44,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:19:44,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 17:19:44,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 17:19:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-21 17:19:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-21 17:19:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:19:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:19:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-21 17:19:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-21 17:19:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:19:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:19:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-12-21 17:19:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-12-21 17:19:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:19:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:19:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:19:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:19:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:19:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:19:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:19:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:19:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2021-12-21 17:19:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2021-12-21 17:19:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:19:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:19:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:19:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:19:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:19:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:19:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:19:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:19:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:19:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:19:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:19:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:19:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 17:19:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 17:19:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:19:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2021-12-21 17:19:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2021-12-21 17:19:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:19:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:19:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:19:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:19:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:19:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-21 17:19:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-21 17:19:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:19:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:19:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:19:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:19:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:19:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:19:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:19:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2021-12-21 17:19:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2021-12-21 17:19:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:19:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:19:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:19:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-21 17:19:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-21 17:19:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:19:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:19:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2021-12-21 17:19:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2021-12-21 17:19:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:19:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:19:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:19:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:19:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:19:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:19:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 17:19:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 17:19:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:19:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:19:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:19:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:19:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2021-12-21 17:19:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2021-12-21 17:19:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 17:19:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 17:19:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-21 17:19:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-21 17:19:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:19:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:19:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:19:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:19:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:19:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-21 17:19:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-21 17:19:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-21 17:19:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-21 17:19:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:19:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:19:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:19:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:19:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2021-12-21 17:19:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2021-12-21 17:19:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:19:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:19:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:19:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:19:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:19:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:19:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:19:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:19:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:19:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:19:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:19:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2021-12-21 17:19:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2021-12-21 17:19:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:19:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:19:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-21 17:19:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-21 17:19:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-21 17:19:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-21 17:19:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:19:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:19:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2021-12-21 17:19:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2021-12-21 17:19:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 17:19:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 17:19:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:19:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:19:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:19:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:19:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 17:19:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 17:19:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:19:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:19:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2021-12-21 17:19:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2021-12-21 17:19:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-21 17:19:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-21 17:19:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:19:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:19:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2021-12-21 17:19:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-21 17:19:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:19:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:19:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:19:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:19:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:19:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2021-12-21 17:19:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2021-12-21 17:19:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2021-12-21 17:19:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2021-12-21 17:19:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2021-12-21 17:19:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2021-12-21 17:19:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 17:19:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:19:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2021-12-21 17:19:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2021-12-21 17:19:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:19:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:19:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 17:19:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 17:19:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:19:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:19:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 17:19:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 17:19:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-21 17:19:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-21 17:19:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2021-12-21 17:19:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2021-12-21 17:19:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2021-12-21 17:19:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2021-12-21 17:19:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2021-12-21 17:19:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:19:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2021-12-21 17:19:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:19:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:19:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-21 17:19:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2021-12-21 17:19:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2021-12-21 17:19:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-21 17:19:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:19:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:19:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-21 17:19:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-21 17:19:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:19:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:19:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2021-12-21 17:19:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2021-12-21 17:19:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-21 17:19:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-21 17:19:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:19:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:19:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2021-12-21 17:19:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2021-12-21 17:19:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-21 17:19:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-21 17:19:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-21 17:19:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-21 17:19:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2021-12-21 17:19:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2021-12-21 17:19:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:19:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:19:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:19:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:19:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:19:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:19:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2021-12-21 17:19:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2021-12-21 17:19:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:19:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:19:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2021-12-21 17:19:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2021-12-21 17:19:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2021-12-21 17:19:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 17:19:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:19:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2021-12-21 17:19:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:19:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:19:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:19:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:19:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 17:19:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 17:19:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2021-12-21 17:19:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2021-12-21 17:19:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2021-12-21 17:19:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2021-12-21 17:19:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 17:19:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 17:19:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2021-12-21 17:19:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2021-12-21 17:19:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:19:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:19:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 17:19:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:19:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 17:19:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-21 17:19:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-21 17:19:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-21 17:19:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-21 17:19:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-21 17:19:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:19:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:19:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:19:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:19:45,732 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:19:45,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:19:46,015 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:19:53,017 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:19:53,083 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:19:53,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:19:53,098 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-21 17:19:53,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:19:53 BoogieIcfgContainer [2021-12-21 17:19:53,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:19:53,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:19:53,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:19:53,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:19:53,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:19:40" (1/3) ... [2021-12-21 17:19:53,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb80c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:19:53, skipping insertion in model container [2021-12-21 17:19:53,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:19:44" (2/3) ... [2021-12-21 17:19:53,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb80c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:19:53, skipping insertion in model container [2021-12-21 17:19:53,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:19:53" (3/3) ... [2021-12-21 17:19:53,107 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-21 17:19:53,111 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:19:53,111 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 17:19:53,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:19:53,160 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 17:19:53,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 17:19:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2696 states, 1873 states have (on average 1.3027229044313935) internal successors, (2440), 1913 states have internal predecessors, (2440), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2021-12-21 17:19:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-21 17:19:53,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:19:53,243 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:19:53,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:19:53,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:19:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1321338375, now seen corresponding path program 1 times [2021-12-21 17:19:53,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:19:53,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541345266] [2021-12-21 17:19:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:19:53,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:19:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:19:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:19:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:19:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:19:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:19:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:19:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:19:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:19:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:19:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:19:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:19:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:19:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:19:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:19:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 17:19:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:19:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:19:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:19:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 17:19:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 17:19:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:19:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 17:19:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:19:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 17:19:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:19:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-21 17:19:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 17:19:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:19:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-12-21 17:19:54,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:19:54,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541345266] [2021-12-21 17:19:54,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541345266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:19:54,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:19:54,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:19:54,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108071586] [2021-12-21 17:19:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:19:54,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:19:54,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:19:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:19:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:19:54,261 INFO L87 Difference]: Start difference. First operand has 2696 states, 1873 states have (on average 1.3027229044313935) internal successors, (2440), 1913 states have internal predecessors, (2440), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 17:20:01,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:07,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:08,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:10,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:15,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:19,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:20:21,273 INFO L93 Difference]: Finished difference Result 8348 states and 12113 transitions. [2021-12-21 17:20:21,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 17:20:21,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 258 [2021-12-21 17:20:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:20:21,318 INFO L225 Difference]: With dead ends: 8348 [2021-12-21 17:20:21,318 INFO L226 Difference]: Without dead ends: 5488 [2021-12-21 17:20:21,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 17:20:21,337 INFO L933 BasicCegarLoop]: 4082 mSDtfsCounter, 8174 mSDsluCounter, 6590 mSDsCounter, 0 mSdLazyCounter, 6391 mSolverCounterSat, 6230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8631 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 12621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6230 IncrementalHoareTripleChecker+Valid, 6391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:20:21,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8631 Valid, 10672 Invalid, 12621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6230 Valid, 6391 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2021-12-21 17:20:21,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5488 states. [2021-12-21 17:20:21,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5488 to 4897. [2021-12-21 17:20:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4897 states, 3440 states have (on average 1.2930232558139534) internal successors, (4448), 3509 states have internal predecessors, (4448), 1223 states have call successors, (1223), 233 states have call predecessors, (1223), 233 states have return successors, (1223), 1199 states have call predecessors, (1223), 1223 states have call successors, (1223) [2021-12-21 17:20:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4897 states to 4897 states and 6894 transitions. [2021-12-21 17:20:21,637 INFO L78 Accepts]: Start accepts. Automaton has 4897 states and 6894 transitions. Word has length 258 [2021-12-21 17:20:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:20:21,642 INFO L470 AbstractCegarLoop]: Abstraction has 4897 states and 6894 transitions. [2021-12-21 17:20:21,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 17:20:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 6894 transitions. [2021-12-21 17:20:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-21 17:20:21,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:20:21,656 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:20:21,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:20:21,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:20:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:20:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2085434988, now seen corresponding path program 1 times [2021-12-21 17:20:21,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:20:21,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739053052] [2021-12-21 17:20:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:20:21,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:20:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:20:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:20:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:20:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:20:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:20:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:20:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:20:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:20:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:20:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:20:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:20:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:20:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:20:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:20:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:20:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 17:20:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:20:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:20:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 17:20:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 17:20:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:20:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 17:20:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 17:20:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:20:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-21 17:20:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-21 17:20:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-12-21 17:20:22,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:20:22,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739053052] [2021-12-21 17:20:22,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739053052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:20:22,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:20:22,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:20:22,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330389551] [2021-12-21 17:20:22,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:20:22,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:20:22,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:20:22,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:20:22,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:20:22,148 INFO L87 Difference]: Start difference. First operand 4897 states and 6894 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 17:20:25,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:26,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:31,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:20:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:20:39,922 INFO L93 Difference]: Finished difference Result 14268 states and 20172 transitions. [2021-12-21 17:20:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 17:20:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 268 [2021-12-21 17:20:39,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:20:39,982 INFO L225 Difference]: With dead ends: 14268 [2021-12-21 17:20:39,982 INFO L226 Difference]: Without dead ends: 9402 [2021-12-21 17:20:39,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 17:20:39,998 INFO L933 BasicCegarLoop]: 3466 mSDtfsCounter, 7889 mSDsluCounter, 6013 mSDsCounter, 0 mSdLazyCounter, 5539 mSolverCounterSat, 5898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8205 SdHoareTripleChecker+Valid, 9479 SdHoareTripleChecker+Invalid, 11437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5898 IncrementalHoareTripleChecker+Valid, 5539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:20:40,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8205 Valid, 9479 Invalid, 11437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5898 Valid, 5539 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2021-12-21 17:20:40,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2021-12-21 17:20:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 8348. [2021-12-21 17:20:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8348 states, 5865 states have (on average 1.29462915601023) internal successors, (7593), 5977 states have internal predecessors, (7593), 2035 states have call successors, (2035), 438 states have call predecessors, (2035), 447 states have return successors, (2059), 1992 states have call predecessors, (2059), 2035 states have call successors, (2059) [2021-12-21 17:20:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8348 states to 8348 states and 11687 transitions. [2021-12-21 17:20:40,314 INFO L78 Accepts]: Start accepts. Automaton has 8348 states and 11687 transitions. Word has length 268 [2021-12-21 17:20:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:20:40,314 INFO L470 AbstractCegarLoop]: Abstraction has 8348 states and 11687 transitions. [2021-12-21 17:20:40,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 17:20:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8348 states and 11687 transitions. [2021-12-21 17:20:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-21 17:20:40,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:20:40,328 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:20:40,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:20:40,329 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:20:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:20:40,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1315752397, now seen corresponding path program 1 times [2021-12-21 17:20:40,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:20:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764727346] [2021-12-21 17:20:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:20:40,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:20:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:20:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:20:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:20:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:20:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:20:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:20:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:20:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:20:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:20:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:20:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:20:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:20:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:20:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:20:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 17:20:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 17:20:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:20:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 17:20:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 17:20:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-21 17:20:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-21 17:20:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-21 17:20:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 17:20:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:20:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:20:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:20:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:20:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:20:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 17:20:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:20:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-21 17:20:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:20:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-21 17:20:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-21 17:20:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:20:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-12-21 17:20:40,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:20:40,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764727346] [2021-12-21 17:20:40,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764727346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:20:40,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:20:40,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:20:40,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224756908] [2021-12-21 17:20:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:20:40,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:20:40,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:20:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:20:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:20:40,902 INFO L87 Difference]: Start difference. First operand 8348 states and 11687 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37)