/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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:55:47,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:55:47,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:55:47,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:55:47,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:55:47,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:55:47,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:55:47,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:55:47,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:55:47,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:55:47,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:55:47,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:55:47,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:55:47,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:55:47,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:55:47,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:55:47,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:55:47,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:55:47,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:55:47,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:55:47,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:55:47,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:55:47,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:55:47,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:55:47,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:55:47,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:55:47,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:55:47,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:55:47,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:55:47,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:55:47,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:55:47,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:55:47,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:55:47,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:55:47,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:55:47,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:55:47,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:55:47,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:55:47,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:55:47,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:55:47,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:55:47,442 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 20:55:47,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:55:47,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:55:47,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:55:47,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:55:47,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:55:47,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:55:47,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:55:47,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:55:47,509 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:55:47,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:55:47,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:55:47,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:55:47,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:55:47,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:55:47,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:55:47,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:55:47,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:55:47,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:55:47,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:55:47,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:55:47,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:55:47,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:55:47,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:55:47,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:55:47,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:55:47,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:55:47,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:55:47,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:55:47,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:55:47,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:55:47,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:55:47,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:55:47,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:55:47,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:55:47,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:55:47,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:55:47,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:55:47,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:55:47,998 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:55:48,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-10-15 20:55:48,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55531aa8/98d2d1fb6cae40369072aa4a26fe68be/FLAG60c738c01 [2022-10-15 20:55:49,343 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:55:49,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-10-15 20:55:49,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55531aa8/98d2d1fb6cae40369072aa4a26fe68be/FLAG60c738c01 [2022-10-15 20:55:49,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55531aa8/98d2d1fb6cae40369072aa4a26fe68be [2022-10-15 20:55:49,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:55:49,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:55:49,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:55:49,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:55:49,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:55:49,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:55:49" (1/1) ... [2022-10-15 20:55:49,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef3d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:49, skipping insertion in model container [2022-10-15 20:55:49,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:55:49" (1/1) ... [2022-10-15 20:55:49,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:55:49,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:55:54,809 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-10-15 20:55:54,810 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-10-15 20:55:54,811 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-10-15 20:55:54,817 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-10-15 20:55:54,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:55:54,929 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:55:55,472 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-10-15 20:55:55,473 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-10-15 20:55:55,473 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-10-15 20:55:55,474 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-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-10-15 20:55:55,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:55:55,821 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:55:55,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55 WrapperNode [2022-10-15 20:55:55,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:55:55,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:55:55,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:55:55,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:55:55,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,405 INFO L138 Inliner]: procedures = 559, calls = 2869, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 7766 [2022-10-15 20:55:56,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:55:56,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:55:56,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:55:56,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:55:56,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:55:56,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:55:56,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:55:56,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:55:56,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (1/1) ... [2022-10-15 20:55:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:55:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:55:56,959 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 20:55:57,080 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 20:55:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-15 20:55:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-15 20:55:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:55:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:55:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-15 20:55:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-15 20:55:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 20:55:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 20:55:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:55:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:55:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 20:55:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 20:55:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 20:55:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 20:55:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 20:55:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 20:55:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 20:55:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 20:55:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-10-15 20:55:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-10-15 20:55:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-10-15 20:55:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-10-15 20:55:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-15 20:55:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-15 20:55:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 20:55:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 20:55:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:55:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:55:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 20:55:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 20:55:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 20:55:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 20:55:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:55:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:55:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-15 20:55:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-15 20:55:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:55:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-10-15 20:55:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-10-15 20:55:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:55:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:55:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 20:55:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 20:55:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:55:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-15 20:55:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-15 20:55:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 20:55:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 20:55:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-15 20:55:57,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-15 20:55:57,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:55:57,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:55:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:55:57,169 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-10-15 20:55:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-10-15 20:55:57,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:55:57,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:55:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:55:57,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:55:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:55:57,170 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-10-15 20:55:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-10-15 20:55:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:55:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:55:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:55:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:55:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:55:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:55:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 20:55:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 20:55:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 20:55:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 20:55:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-10-15 20:55:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-10-15 20:55:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-15 20:55:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-15 20:55:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-15 20:55:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-15 20:55:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-15 20:55:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-15 20:55:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:55:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-15 20:55:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-15 20:55:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:55:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:55:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-15 20:55:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-15 20:55:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-15 20:55:57,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-15 20:55:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-15 20:55:57,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-15 20:55:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-10-15 20:55:57,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-10-15 20:55:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:55:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-15 20:55:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-15 20:55:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:55:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:55:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 20:55:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 20:55:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:55:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 20:55:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:55:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:55:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-10-15 20:55:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-10-15 20:55:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-15 20:55:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-15 20:55:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 20:55:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 20:55:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-10-15 20:55:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-10-15 20:55:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:55:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:55:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-15 20:55:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-15 20:55:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:55:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:55:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 20:55:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 20:55:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:55:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:55:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-10-15 20:55:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-10-15 20:55:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-15 20:55:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-15 20:55:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 20:55:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 20:55:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-10-15 20:55:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-10-15 20:55:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-15 20:55:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-15 20:55:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:55:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:55:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 20:55:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 20:55:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:55:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:55:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:55:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:55:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-10-15 20:55:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-10-15 20:55:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 20:55:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 20:55:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-10-15 20:55:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-10-15 20:55:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-10-15 20:55:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-10-15 20:55:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 20:55:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:55:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:55:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-10-15 20:55:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-10-15 20:55:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-10-15 20:55:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-10-15 20:55:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 20:55:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 20:55:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 20:55:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 20:55:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-15 20:55:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-15 20:55:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:55:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:55:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 20:55:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 20:55:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-15 20:55:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-10-15 20:55:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-10-15 20:55:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-10-15 20:55:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-10-15 20:55:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-10-15 20:55:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-10-15 20:55:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-10-15 20:55:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 20:55:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 20:55:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:55:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-10-15 20:55:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-10-15 20:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 20:55:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 20:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-15 20:55:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-15 20:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-10-15 20:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-10-15 20:55:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-10-15 20:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-10-15 20:55:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-15 20:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-15 20:55:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:55:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-10-15 20:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-10-15 20:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-10-15 20:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-10-15 20:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-15 20:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-15 20:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-15 20:55:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-15 20:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-10-15 20:55:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-10-15 20:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-10-15 20:55:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-10-15 20:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-15 20:55:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-15 20:55:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-10-15 20:55:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-10-15 20:55:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-15 20:55:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-15 20:55:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 20:55:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 20:55:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:55:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:55:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-10-15 20:55:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-10-15 20:55:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 20:55:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 20:55:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-10-15 20:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-10-15 20:55:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-10-15 20:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-10-15 20:55:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 20:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 20:55:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 20:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 20:55:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:55:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-10-15 20:55:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-10-15 20:55:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:55:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:55:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-15 20:55:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-15 20:55:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 20:55:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 20:55:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-10-15 20:55:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-10-15 20:55:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-10-15 20:55:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-10-15 20:55:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-15 20:55:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-15 20:55:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-10-15 20:55:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-10-15 20:55:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:55:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:55:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 20:55:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 20:55:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 20:55:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 20:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-15 20:55:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-15 20:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-15 20:55:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-15 20:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 20:55:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 20:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-10-15 20:55:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-10-15 20:55:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:55:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:55:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-15 20:55:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-15 20:55:58,370 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:55:58,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:55:58,661 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:56:07,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:56:07,680 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:56:07,712 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:56:07,712 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-15 20:56:07,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:56:07 BoogieIcfgContainer [2022-10-15 20:56:07,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:56:07,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:56:07,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:56:07,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:56:07,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:55:49" (1/3) ... [2022-10-15 20:56:07,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41755a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:56:07, skipping insertion in model container [2022-10-15 20:56:07,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:55:55" (2/3) ... [2022-10-15 20:56:07,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41755a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:56:07, skipping insertion in model container [2022-10-15 20:56:07,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:56:07" (3/3) ... [2022-10-15 20:56:07,737 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-10-15 20:56:07,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:56:07,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 194 error locations. [2022-10-15 20:56:07,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:56:07,955 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;@32e3c8fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:56:07,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2022-10-15 20:56:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 3131 states, 2125 states have (on average 1.3905882352941177) internal successors, (2955), 2358 states have internal predecessors, (2955), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) [2022-10-15 20:56:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 20:56:08,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:56:08,022 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 20:56:08,023 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 20:56:08,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:56:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1119745255, now seen corresponding path program 1 times [2022-10-15 20:56:08,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:56:08,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979494484] [2022-10-15 20:56:08,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:56:08,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:56:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:56:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:56:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:56:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:56:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:56:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:56:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:56:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:56:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:56:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:56:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:56:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:56:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:56:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:56:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:56:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:10,311 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 20:56:10,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:56:10,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979494484] [2022-10-15 20:56:10,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979494484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:56:10,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:56:10,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:56:10,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027510135] [2022-10-15 20:56:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:56:10,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:56:10,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:56:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:56:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:56:10,375 INFO L87 Difference]: Start difference. First operand has 3131 states, 2125 states have (on average 1.3905882352941177) internal successors, (2955), 2358 states have internal predecessors, (2955), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) 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 20:56:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:56:19,074 INFO L93 Difference]: Finished difference Result 7353 states and 10540 transitions. [2022-10-15 20:56:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:56:19,078 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 20:56:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:56:19,134 INFO L225 Difference]: With dead ends: 7353 [2022-10-15 20:56:19,135 INFO L226 Difference]: Without dead ends: 4197 [2022-10-15 20:56:19,167 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 20:56:19,172 INFO L413 NwaCegarLoop]: 5272 mSDtfsCounter, 5473 mSDsluCounter, 5778 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 1899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5886 SdHoareTripleChecker+Valid, 11050 SdHoareTripleChecker+Invalid, 4817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1899 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-15 20:56:19,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5886 Valid, 11050 Invalid, 4817 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1899 Valid, 2918 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-15 20:56:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-10-15 20:56:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 3026. [2022-10-15 20:56:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3026 states, 2070 states have (on average 1.3483091787439614) internal successors, (2791), 2280 states have internal predecessors, (2791), 664 states have call successors, (664), 120 states have call predecessors, (664), 119 states have return successors, (662), 649 states have call predecessors, (662), 662 states have call successors, (662) [2022-10-15 20:56:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 4117 transitions. [2022-10-15 20:56:19,671 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 4117 transitions. Word has length 171 [2022-10-15 20:56:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:56:19,674 INFO L495 AbstractCegarLoop]: Abstraction has 3026 states and 4117 transitions. [2022-10-15 20:56:19,675 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 20:56:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 4117 transitions. [2022-10-15 20:56:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-15 20:56:19,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:56:19,693 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 20:56:19,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:56:19,694 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 20:56:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:56:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1411760401, now seen corresponding path program 1 times [2022-10-15 20:56:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:56:19,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425475536] [2022-10-15 20:56:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:56:19,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:56:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:56:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:56:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:56:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:56:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:56:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:56:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:56:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:56:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:56:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:56:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:56:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:56:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:56:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:56:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-15 20:56:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:20,454 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 20:56:20,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:56:20,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425475536] [2022-10-15 20:56:20,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425475536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:56:20,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:56:20,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:56:20,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143985199] [2022-10-15 20:56:20,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:56:20,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:56:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:56:20,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:56:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:56:20,462 INFO L87 Difference]: Start difference. First operand 3026 states and 4117 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 20:56:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:56:27,905 INFO L93 Difference]: Finished difference Result 8340 states and 11377 transitions. [2022-10-15 20:56:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:56:27,906 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 20:56:27,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:56:27,954 INFO L225 Difference]: With dead ends: 8340 [2022-10-15 20:56:27,955 INFO L226 Difference]: Without dead ends: 5345 [2022-10-15 20:56:27,972 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 20:56:27,974 INFO L413 NwaCegarLoop]: 4233 mSDtfsCounter, 4075 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 1728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4536 SdHoareTripleChecker+Valid, 8691 SdHoareTripleChecker+Invalid, 4543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-15 20:56:27,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4536 Valid, 8691 Invalid, 4543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1728 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-15 20:56:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2022-10-15 20:56:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 5153. [2022-10-15 20:56:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5153 states, 3602 states have (on average 1.34258745141588) internal successors, (4836), 3842 states have internal predecessors, (4836), 1140 states have call successors, (1140), 234 states have call predecessors, (1140), 238 states have return successors, (1157), 1111 states have call predecessors, (1157), 1136 states have call successors, (1157) [2022-10-15 20:56:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 5153 states and 7133 transitions. [2022-10-15 20:56:28,465 INFO L78 Accepts]: Start accepts. Automaton has 5153 states and 7133 transitions. Word has length 175 [2022-10-15 20:56:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:56:28,466 INFO L495 AbstractCegarLoop]: Abstraction has 5153 states and 7133 transitions. [2022-10-15 20:56:28,466 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 20:56:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 7133 transitions. [2022-10-15 20:56:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-15 20:56:28,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:56:28,473 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 20:56:28,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:56:28,474 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 20:56:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:56:28,475 INFO L85 PathProgramCache]: Analyzing trace with hash -372010366, now seen corresponding path program 1 times [2022-10-15 20:56:28,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:56:28,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550266779] [2022-10-15 20:56:28,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:56:28,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:56:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:56:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:56:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:56:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:56:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:56:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:56:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:56:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:56:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:56:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:56:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:56:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:56:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:56:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:56:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:56:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 20:56:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:56:29,172 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 20:56:29,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:56:29,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550266779] [2022-10-15 20:56:29,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550266779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:56:29,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:56:29,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:56:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653262399] [2022-10-15 20:56:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:56:29,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:56:29,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:56:29,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:56:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:56:29,178 INFO L87 Difference]: Start difference. First operand 5153 states and 7133 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)