/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:52:13,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:52:13,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:52:13,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:52:13,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:52:13,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:52:13,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:52:13,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:52:13,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:52:13,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:52:13,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:52:13,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:52:13,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:52:13,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:52:13,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:52:13,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:52:13,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:52:13,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:52:13,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:52:13,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:52:13,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:52:13,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:52:13,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:52:13,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:52:13,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:52:13,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:52:13,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:52:13,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:52:13,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:52:13,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:52:13,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:52:13,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:52:13,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:52:13,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:52:13,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:52:13,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:52:13,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:52:13,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:52:13,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:52:13,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:52:13,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:52:13,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 20:52:13,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:52:13,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:52:13,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:52:13,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:52:13,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:52:13,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:52:13,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:52:13,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:52:13,543 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:52:13,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:52:13,545 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:52:13,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:52:13,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:52:13,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:52:13,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:52:13,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:52:13,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:52:13,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:52:13,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:52:13,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:52:13,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:52:13,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:52:13,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:52:13,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:52:13,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:52:13,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:52:13,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:52:13,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:52:13,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:52:13,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:52:13,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:52:13,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:52:13,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:52:13,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:52:13,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:52:13,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:52:13,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:52:13,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:52:13,988 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:52:13,989 INFO L432 ainManager$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 [2022-10-15 20:52:14,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddc8e14a/eb98a64d13034bdaaed5604281751203/FLAG81b767fff [2022-10-15 20:52:15,463 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:52:15,464 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 [2022-10-15 20:52:15,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddc8e14a/eb98a64d13034bdaaed5604281751203/FLAG81b767fff [2022-10-15 20:52:15,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddc8e14a/eb98a64d13034bdaaed5604281751203 [2022-10-15 20:52:15,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:52:15,586 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:52:15,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:52:15,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:52:15,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:52:15,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:52:15" (1/1) ... [2022-10-15 20:52:15,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73924800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:15, skipping insertion in model container [2022-10-15 20:52:15,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:52:15" (1/1) ... [2022-10-15 20:52:15,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:52:15,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:52:20,382 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] [2022-10-15 20:52:20,383 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] [2022-10-15 20:52:20,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:52:20,471 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:52:21,022 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] [2022-10-15 20:52:21,023 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] [2022-10-15 20:52:21,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:52:21,425 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:52:21,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21 WrapperNode [2022-10-15 20:52:21,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:52:21,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:52:21,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:52:21,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:52:21,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:21,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:21,949 INFO L138 Inliner]: procedures = 556, calls = 2946, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7823 [2022-10-15 20:52:21,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:52:21,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:52:21,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:52:21,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:52:21,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:21,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:52:22,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:52:22,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:52:22,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:52:22,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (1/1) ... [2022-10-15 20:52:22,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:52:22,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:52:22,445 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) [2022-10-15 20:52:22,469 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 [2022-10-15 20:52:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-15 20:52:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-15 20:52:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:52:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:52:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-15 20:52:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-15 20:52:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 20:52:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 20:52:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-10-15 20:52:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-10-15 20:52:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:52:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:52:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 20:52:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 20:52:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 20:52:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 20:52:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 20:52:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 20:52:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-10-15 20:52:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-10-15 20:52:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-15 20:52:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-15 20:52:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 20:52:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 20:52:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:52:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:52:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 20:52:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 20:52:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 20:52:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 20:52:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:52:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:52:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-15 20:52:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-15 20:52:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:52:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-10-15 20:52:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-10-15 20:52:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:52:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:52:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 20:52:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 20:52:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:52:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-15 20:52:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-15 20:52:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 20:52:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 20:52:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-15 20:52:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-15 20:52:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:52:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:52:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:52:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-10-15 20:52:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-10-15 20:52:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:52:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:52:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:52:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 20:52:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-15 20:52:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:52:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:52:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-10-15 20:52:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-10-15 20:52:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:52:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:52:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:52:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:52:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:52:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:52:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 20:52:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 20:52:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 20:52:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 20:52:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 20:52:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 20:52:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-10-15 20:52:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-10-15 20:52:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-15 20:52:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-15 20:52:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-15 20:52:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-15 20:52:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:52:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-15 20:52:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-15 20:52:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:52:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:52:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-15 20:52:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-10-15 20:52:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-15 20:52:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-15 20:52:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-15 20:52:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-15 20:52:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-15 20:52:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-15 20:52:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-10-15 20:52:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-10-15 20:52:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:52:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-15 20:52:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-15 20:52:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:52:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:52:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 20:52:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 20:52:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:52:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 20:52:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:52:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:52:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-10-15 20:52:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-10-15 20:52:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:52:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:52:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-15 20:52:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-15 20:52:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-15 20:52:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-15 20:52:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 20:52:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 20:52:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-10-15 20:52:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-10-15 20:52:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:52:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:52:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-15 20:52:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-15 20:52:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:52:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 20:52:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 20:52:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:52:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:52:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-10-15 20:52:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-10-15 20:52:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-15 20:52:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-15 20:52:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 20:52:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 20:52:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-10-15 20:52:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-10-15 20:52:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-15 20:52:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-15 20:52:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:52:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:52:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 20:52:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 20:52:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:52:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:52:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:52:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:52:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-10-15 20:52:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-10-15 20:52:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-10-15 20:52:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-10-15 20:52:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-10-15 20:52:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-10-15 20:52:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 20:52:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:52:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:52:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-10-15 20:52:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-10-15 20:52:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-10-15 20:52:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-10-15 20:52:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 20:52:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 20:52:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 20:52:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 20:52:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-15 20:52:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-15 20:52:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:52:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:52:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 20:52:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 20:52:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-15 20:52:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-10-15 20:52:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-10-15 20:52:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-10-15 20:52:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-10-15 20:52:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-10-15 20:52:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-10-15 20:52:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-10-15 20:52:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 20:52:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 20:52:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:52:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-10-15 20:52:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-10-15 20:52:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 20:52:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 20:52:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:52:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-15 20:52:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-15 20:52:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:52:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-10-15 20:52:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-10-15 20:52:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-10-15 20:52:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-10-15 20:52:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-15 20:52:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-15 20:52:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:52:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:52:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-10-15 20:52:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-10-15 20:52:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:52:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:52:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-10-15 20:52:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-10-15 20:52:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-15 20:52:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-15 20:52:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-15 20:52:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-15 20:52:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-10-15 20:52:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-10-15 20:52:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-10-15 20:52:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-10-15 20:52:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-15 20:52:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-15 20:52:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-10-15 20:52:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-10-15 20:52:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-15 20:52:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-15 20:52:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 20:52:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 20:52:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:52:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:52:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-10-15 20:52:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-10-15 20:52:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 20:52:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 20:52:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-10-15 20:52:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-10-15 20:52:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-10-15 20:52:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-10-15 20:52:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 20:52:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 20:52:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 20:52:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 20:52:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:52:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-10-15 20:52:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-10-15 20:52:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:52:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:52:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-15 20:52:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-15 20:52:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 20:52:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 20:52:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-10-15 20:52:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-10-15 20:52:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-10-15 20:52:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-10-15 20:52:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-15 20:52:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-15 20:52:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-10-15 20:52:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-10-15 20:52:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:52:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:52:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 20:52:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 20:52:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 20:52:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 20:52:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-15 20:52:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-15 20:52:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-15 20:52:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-15 20:52:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:52:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 20:52:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 20:52:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-10-15 20:52:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-10-15 20:52:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:52:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:52:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-15 20:52:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-15 20:52:23,818 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:52:23,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:52:24,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:52:34,991 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:52:35,186 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:52:35,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:52:35,225 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-15 20:52:35,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:35 BoogieIcfgContainer [2022-10-15 20:52:35,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:52:35,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:52:35,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:52:35,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:52:35,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:52:15" (1/3) ... [2022-10-15 20:52:35,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7257f089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:35, skipping insertion in model container [2022-10-15 20:52:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:21" (2/3) ... [2022-10-15 20:52:35,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7257f089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:35, skipping insertion in model container [2022-10-15 20:52:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:35" (3/3) ... [2022-10-15 20:52:35,243 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-10-15 20:52:35,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:52:35,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 194 error locations. [2022-10-15 20:52:35,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:52:35,411 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54c6e02a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:52:35,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2022-10-15 20:52:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 3158 states, 2142 states have (on average 1.3926237161531279) internal successors, (2983), 2375 states have internal predecessors, (2983), 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) [2022-10-15 20:52:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 20:52:35,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:35,466 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:35,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-15 20:52:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1236211809, now seen corresponding path program 1 times [2022-10-15 20:52:35,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:35,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526489385] [2022-10-15 20:52:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:35,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:52:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:52:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-15 20:52:38,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:38,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526489385] [2022-10-15 20:52:38,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526489385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:38,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:38,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:38,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108913725] [2022-10-15 20:52:38,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:38,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:38,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:38,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:38,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:38,428 INFO L87 Difference]: Start difference. First operand has 3158 states, 2142 states have (on average 1.3926237161531279) internal successors, (2983), 2375 states have internal predecessors, (2983), 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 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-15 20:52:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:47,162 INFO L93 Difference]: Finished difference Result 7405 states and 10524 transitions. [2022-10-15 20:52:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:52:47,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-10-15 20:52:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:47,245 INFO L225 Difference]: With dead ends: 7405 [2022-10-15 20:52:47,246 INFO L226 Difference]: Without dead ends: 4226 [2022-10-15 20:52:47,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 20:52:47,295 INFO L413 NwaCegarLoop]: 5315 mSDtfsCounter, 5528 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 2969 mSolverCounterSat, 1916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5945 SdHoareTripleChecker+Valid, 11100 SdHoareTripleChecker+Invalid, 4885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1916 IncrementalHoareTripleChecker+Valid, 2969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:47,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5945 Valid, 11100 Invalid, 4885 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1916 Valid, 2969 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-15 20:52:47,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2022-10-15 20:52:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 3057. [2022-10-15 20:52:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 2090 states have (on average 1.3516746411483254) internal successors, (2825), 2300 states have internal predecessors, (2825), 672 states have call successors, (672), 123 states have call predecessors, (672), 122 states have return successors, (670), 657 states have call predecessors, (670), 670 states have call successors, (670) [2022-10-15 20:52:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4167 transitions. [2022-10-15 20:52:47,820 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4167 transitions. Word has length 171 [2022-10-15 20:52:47,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:47,827 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4167 transitions. [2022-10-15 20:52:47,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-15 20:52:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4167 transitions. [2022-10-15 20:52:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-15 20:52:47,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:47,853 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:47,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:52:47,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pcnet32_get_regs_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-15 20:52:47,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:47,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1151831911, now seen corresponding path program 1 times [2022-10-15 20:52:47,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:47,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068835627] [2022-10-15 20:52:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:52:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-15 20:52:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-15 20:52:48,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:48,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068835627] [2022-10-15 20:52:48,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068835627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:48,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:48,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278248445] [2022-10-15 20:52:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:48,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:48,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:48,621 INFO L87 Difference]: Start difference. First operand 3057 states and 4167 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-15 20:52:55,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:55,907 INFO L93 Difference]: Finished difference Result 8429 states and 11515 transitions. [2022-10-15 20:52:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:52:55,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 175 [2022-10-15 20:52:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:55,967 INFO L225 Difference]: With dead ends: 8429 [2022-10-15 20:52:55,967 INFO L226 Difference]: Without dead ends: 5403 [2022-10-15 20:52:55,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:55,995 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 4166 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 1756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4637 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 4630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1756 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:55,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4637 Valid, 8729 Invalid, 4630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1756 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-15 20:52:56,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2022-10-15 20:52:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 5211. [2022-10-15 20:52:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5211 states, 3639 states have (on average 1.3465237702665567) internal successors, (4900), 3879 states have internal predecessors, (4900), 1155 states have call successors, (1155), 240 states have call predecessors, (1155), 244 states have return successors, (1169), 1126 states have call predecessors, (1169), 1151 states have call successors, (1169) [2022-10-15 20:52:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 5211 states and 7224 transitions. [2022-10-15 20:52:56,577 INFO L78 Accepts]: Start accepts. Automaton has 5211 states and 7224 transitions. Word has length 175 [2022-10-15 20:52:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:56,578 INFO L495 AbstractCegarLoop]: Abstraction has 5211 states and 7224 transitions. [2022-10-15 20:52:56,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-15 20:52:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5211 states and 7224 transitions. [2022-10-15 20:52:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-15 20:52:56,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:56,585 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:56,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:52:56,585 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pcnet32_get_regs_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-15 20:52:56,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:56,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1608935636, now seen corresponding path program 1 times [2022-10-15 20:52:56,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:56,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508519501] [2022-10-15 20:52:56,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:56,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:52:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 20:52:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-15 20:52:57,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:57,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508519501] [2022-10-15 20:52:57,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508519501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:57,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:57,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274688472] [2022-10-15 20:52:57,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:57,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:57,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:57,267 INFO L87 Difference]: Start difference. First operand 5211 states and 7224 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)