/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 [2022-10-16 12:05:10,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:05:10,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:05:10,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:05:10,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:05:10,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:05:10,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:05:10,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:05:10,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:05:10,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:05:10,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:05:10,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:05:10,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:05:10,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:05:10,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:05:10,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:05:10,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:05:10,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:05:10,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:05:10,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:05:10,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:05:10,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:05:10,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:05:10,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:05:10,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:05:10,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:05:10,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:05:10,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:05:10,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:05:10,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:05:10,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:05:10,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:05:10,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:05:10,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:05:10,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:05:10,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:05:10,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:05:10,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:05:10,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:05:10,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:05:10,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:05:10,608 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 [2022-10-16 12:05:10,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:05:10,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:05:10,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:05:10,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:05:10,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:05:10,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:05:10,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:05:10,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:05:10,667 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:05:10,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:05:10,668 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:05:10,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:05:10,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:05:10,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:05:10,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:05:10,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:05:10,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:05:10,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:05:10,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:05:10,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:05:10,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:05:10,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:05:10,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:05:10,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:05:10,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:05:10,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:05:10,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:05:10,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:05:10,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:05:11,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:05:11,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:05:11,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:05:11,095 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:05:11,096 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:05:11,097 INFO L432 ainManager$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 [2022-10-16 12:05:11,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646f11a06/c29a06b7913040f8bc029507f1001dd4/FLAGf8247acee [2022-10-16 12:05:12,309 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:05:12,309 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 [2022-10-16 12:05:12,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646f11a06/c29a06b7913040f8bc029507f1001dd4/FLAGf8247acee [2022-10-16 12:05:12,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646f11a06/c29a06b7913040f8bc029507f1001dd4 [2022-10-16 12:05:12,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:05:12,604 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:05:12,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:05:12,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:05:12,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:05:12,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:12" (1/1) ... [2022-10-16 12:05:12,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1a62c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:12, skipping insertion in model container [2022-10-16 12:05:12,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:12" (1/1) ... [2022-10-16 12:05:12,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:05:12,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:05:18,152 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] [2022-10-16 12:05:18,153 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] [2022-10-16 12:05:18,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:05:18,209 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:05:18,666 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] [2022-10-16 12:05:18,667 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] [2022-10-16 12:05:18,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:05:18,984 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:05:18,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18 WrapperNode [2022-10-16 12:05:18,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:05:18,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:05:18,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:05:18,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:05:18,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,456 INFO L138 Inliner]: procedures = 556, calls = 2946, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7823 [2022-10-16 12:05:19,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:05:19,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:05:19,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:05:19,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:05:19,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:05:19,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:05:19,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:05:19,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:05:19,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (1/1) ... [2022-10-16 12:05:19,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:05:19,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:05:19,911 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) [2022-10-16 12:05:19,934 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 [2022-10-16 12:05:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-16 12:05:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-16 12:05:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 12:05:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 12:05:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-16 12:05:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-16 12:05:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 12:05:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 12:05:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-10-16 12:05:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-10-16 12:05:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:05:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:05:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-16 12:05:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-16 12:05:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 12:05:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 12:05:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 12:05:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 12:05:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-10-16 12:05:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-10-16 12:05:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-16 12:05:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-16 12:05:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 12:05:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 12:05:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 12:05:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 12:05:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-16 12:05:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-16 12:05:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-16 12:05:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-16 12:05:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:05:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:05:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-16 12:05:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-16 12:05:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:05:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-10-16 12:05:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-10-16 12:05:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 12:05:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 12:05:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:05:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:05:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:05:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-16 12:05:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-10-16 12:05:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 12:05:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 12:05:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-16 12:05:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-16 12:05:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:05:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-16 12:05:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-16 12:05:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-10-16 12:05:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-10-16 12:05:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:05:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 12:05:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 12:05:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 12:05:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-16 12:05:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:05:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:05:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-10-16 12:05:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-10-16 12:05:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-16 12:05:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-16 12:05:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-16 12:05:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-16 12:05:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-16 12:05:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-16 12:05:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 12:05:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 12:05:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-16 12:05:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-16 12:05:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 12:05:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 12:05:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-10-16 12:05:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-10-16 12:05:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-16 12:05:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-16 12:05:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-16 12:05:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-16 12:05:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:05:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-16 12:05:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-16 12:05:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-16 12:05:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-16 12:05:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-16 12:05:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-10-16 12:05:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-16 12:05:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-16 12:05:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-16 12:05:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-16 12:05:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-16 12:05:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-16 12:05:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-10-16 12:05:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-10-16 12:05:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:05:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-16 12:05:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-16 12:05:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:05:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:05:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:05:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:05:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:05:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:05:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:05:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:05:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-10-16 12:05:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-10-16 12:05:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-16 12:05:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-16 12:05:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-16 12:05:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-16 12:05:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-16 12:05:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-10-16 12:05:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 12:05:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 12:05:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-10-16 12:05:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-10-16 12:05:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-16 12:05:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-16 12:05:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-16 12:05:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-16 12:05:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 12:05:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 12:05:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 12:05:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 12:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-16 12:05:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-16 12:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-10-16 12:05:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-10-16 12:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 12:05:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 12:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 12:05:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 12:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-10-16 12:05:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-10-16 12:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-16 12:05:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-16 12:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:05:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:05:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:05:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:05:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:05:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:05:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:05:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-10-16 12:05:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-10-16 12:05:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-10-16 12:05:20,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-10-16 12:05:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-10-16 12:05:20,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-10-16 12:05:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-16 12:05:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-16 12:05:20,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-16 12:05:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-10-16 12:05:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-10-16 12:05:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-10-16 12:05:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-10-16 12:05:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-16 12:05:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-16 12:05:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:05:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:05:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-16 12:05:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-16 12:05:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 12:05:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 12:05:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-16 12:05:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-16 12:05:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-16 12:05:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-10-16 12:05:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-10-16 12:05:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-10-16 12:05:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-10-16 12:05:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-10-16 12:05:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-10-16 12:05:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-10-16 12:05:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-16 12:05:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-16 12:05:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:05:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-10-16 12:05:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-10-16 12:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-16 12:05:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-16 12:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-16 12:05:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-10-16 12:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:05:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-10-16 12:05:20,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-10-16 12:05:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-10-16 12:05:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-10-16 12:05:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-16 12:05:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-16 12:05:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 12:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 12:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-10-16 12:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-10-16 12:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 12:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 12:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-10-16 12:05:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-10-16 12:05:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-16 12:05:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-16 12:05:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-16 12:05:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-16 12:05:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-10-16 12:05:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-10-16 12:05:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-10-16 12:05:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-10-16 12:05:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-16 12:05:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-16 12:05:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-10-16 12:05:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-10-16 12:05:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-16 12:05:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-16 12:05:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-16 12:05:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-16 12:05:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 12:05:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 12:05:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-10-16 12:05:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-10-16 12:05:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 12:05:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 12:05:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-10-16 12:05:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-10-16 12:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-10-16 12:05:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-10-16 12:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-16 12:05:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-16 12:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:05:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:05:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-10-16 12:05:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-10-16 12:05:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:05:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:05:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 12:05:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 12:05:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-16 12:05:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-16 12:05:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-10-16 12:05:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-10-16 12:05:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-10-16 12:05:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-10-16 12:05:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-16 12:05:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-16 12:05:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-10-16 12:05:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-10-16 12:05:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 12:05:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 12:05:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-16 12:05:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-16 12:05:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:05:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:05:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-16 12:05:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-16 12:05:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-16 12:05:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-16 12:05:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:05:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-16 12:05:20,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-16 12:05:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-10-16 12:05:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-10-16 12:05:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:05:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:05:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-16 12:05:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-16 12:05:21,162 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:05:21,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:05:21,388 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:05:30,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-16 12:05:30,469 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:05:30,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:05:30,497 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-16 12:05:30,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:30 BoogieIcfgContainer [2022-10-16 12:05:30,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:05:30,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:05:30,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:05:30,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:05:30,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:12" (1/3) ... [2022-10-16 12:05:30,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f362ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:30, skipping insertion in model container [2022-10-16 12:05:30,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:18" (2/3) ... [2022-10-16 12:05:30,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f362ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:30, skipping insertion in model container [2022-10-16 12:05:30,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:30" (3/3) ... [2022-10-16 12:05:30,515 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-10-16 12:05:30,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:05:30,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 194 error locations. [2022-10-16 12:05:30,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:05:30,674 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;@31bf77a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:05:30,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2022-10-16 12:05:30,692 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) [2022-10-16 12:05:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 12:05:30,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:30,726 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] [2022-10-16 12:05:30,727 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)] === [2022-10-16 12:05:30,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1236211809, now seen corresponding path program 1 times [2022-10-16 12:05:30,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:30,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638977511] [2022-10-16 12:05:30,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:05:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-16 12:05:33,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:33,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638977511] [2022-10-16 12:05:33,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638977511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:33,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:33,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:05:33,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575422077] [2022-10-16 12:05:33,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:33,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:05:33,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:33,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:05:33,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:05:33,198 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) [2022-10-16 12:05:40,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:05:40,742 INFO L93 Difference]: Finished difference Result 7405 states and 10524 transitions. [2022-10-16 12:05:40,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:05:40,745 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 [2022-10-16 12:05:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:05:40,797 INFO L225 Difference]: With dead ends: 7405 [2022-10-16 12:05:40,798 INFO L226 Difference]: Without dead ends: 4226 [2022-10-16 12:05:40,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:05:40,831 INFO L413 NwaCegarLoop]: 5315 mSDtfsCounter, 5528 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 2963 mSolverCounterSat, 1922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5945 SdHoareTripleChecker+Valid, 11100 SdHoareTripleChecker+Invalid, 4885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1922 IncrementalHoareTripleChecker+Valid, 2963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:05:40,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5945 Valid, 11100 Invalid, 4885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1922 Valid, 2963 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 12:05:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2022-10-16 12:05:41,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 3057. [2022-10-16 12:05:41,358 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) [2022-10-16 12:05:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4167 transitions. [2022-10-16 12:05:41,397 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4167 transitions. Word has length 171 [2022-10-16 12:05:41,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:05:41,402 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4167 transitions. [2022-10-16 12:05:41,403 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) [2022-10-16 12:05:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4167 transitions. [2022-10-16 12:05:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 12:05:41,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:41,421 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] [2022-10-16 12:05:41,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:05:41,421 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)] === [2022-10-16 12:05:41,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1151831911, now seen corresponding path program 1 times [2022-10-16 12:05:41,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:41,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342951315] [2022-10-16 12:05:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:05:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 12:05:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-16 12:05:42,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:42,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342951315] [2022-10-16 12:05:42,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342951315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:42,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:42,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:05:42,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878124843] [2022-10-16 12:05:42,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:42,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:05:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:42,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:05:42,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:05:42,081 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) [2022-10-16 12:05:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:05:48,664 INFO L93 Difference]: Finished difference Result 8429 states and 11515 transitions. [2022-10-16 12:05:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:05:48,665 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 [2022-10-16 12:05:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:05:48,710 INFO L225 Difference]: With dead ends: 8429 [2022-10-16 12:05:48,710 INFO L226 Difference]: Without dead ends: 5403 [2022-10-16 12:05:48,731 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 [2022-10-16 12:05:48,738 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 4166 mSDsluCounter, 4454 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 1756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4638 SdHoareTripleChecker+Valid, 8730 SdHoareTripleChecker+Invalid, 4630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1756 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:05:48,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4638 Valid, 8730 Invalid, 4630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1756 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 12:05:48,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2022-10-16 12:05:49,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 5211. [2022-10-16 12:05:49,238 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) [2022-10-16 12:05:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 5211 states and 7224 transitions. [2022-10-16 12:05:49,264 INFO L78 Accepts]: Start accepts. Automaton has 5211 states and 7224 transitions. Word has length 175 [2022-10-16 12:05:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:05:49,265 INFO L495 AbstractCegarLoop]: Abstraction has 5211 states and 7224 transitions. [2022-10-16 12:05:49,265 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) [2022-10-16 12:05:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5211 states and 7224 transitions. [2022-10-16 12:05:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 12:05:49,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:49,272 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] [2022-10-16 12:05:49,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:05:49,272 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)] === [2022-10-16 12:05:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:49,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1608935636, now seen corresponding path program 1 times [2022-10-16 12:05:49,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:49,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186256223] [2022-10-16 12:05:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:49,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:05:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:05:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-16 12:05:49,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:49,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186256223] [2022-10-16 12:05:49,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186256223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:49,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:49,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:05:49,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791094719] [2022-10-16 12:05:49,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:49,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:05:49,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:49,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:05:49,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:05:49,933 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) [2022-10-16 12:05:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:05:56,628 INFO L93 Difference]: Finished difference Result 15130 states and 20981 transitions. [2022-10-16 12:05:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:05:56,629 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 179 [2022-10-16 12:05:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:05:56,707 INFO L225 Difference]: With dead ends: 15130 [2022-10-16 12:05:56,707 INFO L226 Difference]: Without dead ends: 9950 [2022-10-16 12:05:56,740 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 [2022-10-16 12:05:56,750 INFO L413 NwaCegarLoop]: 5625 mSDtfsCounter, 4487 mSDsluCounter, 5130 mSDsCounter, 0 mSdLazyCounter, 3019 mSolverCounterSat, 1677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 10755 SdHoareTripleChecker+Invalid, 4696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1677 IncrementalHoareTripleChecker+Valid, 3019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:05:56,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5067 Valid, 10755 Invalid, 4696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1677 Valid, 3019 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 12:05:56,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9950 states. [2022-10-16 12:05:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9950 to 9551. [2022-10-16 12:05:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 6802 states have (on average 1.347397824169362) internal successors, (9165), 7092 states have internal predecessors, (9165), 2121 states have call successors, (2121), 454 states have call predecessors, (2121), 455 states have return successors, (2132), 2065 states have call predecessors, (2132), 2113 states have call successors, (2132) [2022-10-16 12:05:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 13418 transitions. [2022-10-16 12:05:57,659 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 13418 transitions. Word has length 179 [2022-10-16 12:05:57,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:05:57,663 INFO L495 AbstractCegarLoop]: Abstraction has 9551 states and 13418 transitions. [2022-10-16 12:05:57,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-10-16 12:05:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 13418 transitions. [2022-10-16 12:05:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 12:05:57,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:57,669 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:05:57,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:05:57,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:05:57,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:57,674 INFO L85 PathProgramCache]: Analyzing trace with hash 663296770, now seen corresponding path program 1 times [2022-10-16 12:05:57,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:57,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821466679] [2022-10-16 12:05:57,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:57,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:05:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:05:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:05:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:05:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2022-10-16 12:05:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:58,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821466679] [2022-10-16 12:05:58,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821466679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:58,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:58,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:05:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143788232] [2022-10-16 12:05:58,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:58,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:05:58,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:58,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:05:58,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:05:58,645 INFO L87 Difference]: Start difference. First operand 9551 states and 13418 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 12:06:13,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:13,572 INFO L93 Difference]: Finished difference Result 38721 states and 54531 transitions. [2022-10-16 12:06:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:06:13,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 191 [2022-10-16 12:06:13,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:13,760 INFO L225 Difference]: With dead ends: 38721 [2022-10-16 12:06:13,761 INFO L226 Difference]: Without dead ends: 29201 [2022-10-16 12:06:13,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:06:13,824 INFO L413 NwaCegarLoop]: 6593 mSDtfsCounter, 11308 mSDsluCounter, 7466 mSDsCounter, 0 mSdLazyCounter, 5880 mSolverCounterSat, 3961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12341 SdHoareTripleChecker+Valid, 14059 SdHoareTripleChecker+Invalid, 9841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3961 IncrementalHoareTripleChecker+Valid, 5880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:13,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12341 Valid, 14059 Invalid, 9841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3961 Valid, 5880 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-10-16 12:06:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29201 states. [2022-10-16 12:06:16,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29201 to 28189. [2022-10-16 12:06:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28189 states, 20330 states have (on average 1.3467289719626168) internal successors, (27379), 20860 states have internal predecessors, (27379), 6321 states have call successors, (6321), 1362 states have call predecessors, (6321), 1365 states have return successors, (6372), 6149 states have call predecessors, (6372), 6297 states have call successors, (6372) [2022-10-16 12:06:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28189 states to 28189 states and 40072 transitions. [2022-10-16 12:06:16,553 INFO L78 Accepts]: Start accepts. Automaton has 28189 states and 40072 transitions. Word has length 191 [2022-10-16 12:06:16,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:16,740 INFO L495 AbstractCegarLoop]: Abstraction has 28189 states and 40072 transitions. [2022-10-16 12:06:16,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 12:06:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 28189 states and 40072 transitions. [2022-10-16 12:06:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 12:06:16,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:16,768 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:16,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:06:16,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:06:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash 663356352, now seen corresponding path program 1 times [2022-10-16 12:06:16,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:16,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177036142] [2022-10-16 12:06:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:16,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:06:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:06:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:06:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2022-10-16 12:06:17,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:17,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177036142] [2022-10-16 12:06:17,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177036142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:17,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:17,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:06:17,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896327043] [2022-10-16 12:06:17,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:17,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:06:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:06:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:06:17,843 INFO L87 Difference]: Start difference. First operand 28189 states and 40072 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 12:06:26,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:26,599 INFO L93 Difference]: Finished difference Result 57180 states and 81149 transitions. [2022-10-16 12:06:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:06:26,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 191 [2022-10-16 12:06:26,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:26,928 INFO L225 Difference]: With dead ends: 57180 [2022-10-16 12:06:26,929 INFO L226 Difference]: Without dead ends: 29022 [2022-10-16 12:06:27,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:27,084 INFO L413 NwaCegarLoop]: 7085 mSDtfsCounter, 4608 mSDsluCounter, 6070 mSDsCounter, 0 mSdLazyCounter, 3071 mSolverCounterSat, 1492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5222 SdHoareTripleChecker+Valid, 13155 SdHoareTripleChecker+Invalid, 4563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1492 IncrementalHoareTripleChecker+Valid, 3071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:27,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5222 Valid, 13155 Invalid, 4563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1492 Valid, 3071 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-16 12:06:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29022 states. [2022-10-16 12:06:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29022 to 28189. [2022-10-16 12:06:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28189 states, 20330 states have (on average 1.3461387112641416) internal successors, (27367), 20860 states have internal predecessors, (27367), 6321 states have call successors, (6321), 1362 states have call predecessors, (6321), 1365 states have return successors, (6372), 6149 states have call predecessors, (6372), 6297 states have call successors, (6372) [2022-10-16 12:06:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28189 states to 28189 states and 40060 transitions. [2022-10-16 12:06:29,526 INFO L78 Accepts]: Start accepts. Automaton has 28189 states and 40060 transitions. Word has length 191 [2022-10-16 12:06:29,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:29,527 INFO L495 AbstractCegarLoop]: Abstraction has 28189 states and 40060 transitions. [2022-10-16 12:06:29,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 12:06:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 28189 states and 40060 transitions. [2022-10-16 12:06:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 12:06:29,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:29,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:29,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:06:29,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting pcnet32_interruptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:06:29,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:29,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1647300182, now seen corresponding path program 1 times [2022-10-16 12:06:29,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:29,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946408007] [2022-10-16 12:06:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:29,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:06:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-16 12:06:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 12:06:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 12:06:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 12:06:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:06:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 12:06:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 12:06:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:06:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:06:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-16 12:06:30,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:30,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946408007] [2022-10-16 12:06:30,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946408007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:30,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:30,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:06:30,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468844212] [2022-10-16 12:06:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:06:30,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:30,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:06:30,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:30,296 INFO L87 Difference]: Start difference. First operand 28189 states and 40060 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-16 12:06:37,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:46,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:46,221 INFO L93 Difference]: Finished difference Result 86051 states and 122876 transitions. [2022-10-16 12:06:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:06:46,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 212 [2022-10-16 12:06:46,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:46,537 INFO L225 Difference]: With dead ends: 86051 [2022-10-16 12:06:46,537 INFO L226 Difference]: Without dead ends: 57893 [2022-10-16 12:06:46,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:06:46,671 INFO L413 NwaCegarLoop]: 4506 mSDtfsCounter, 7858 mSDsluCounter, 5850 mSDsCounter, 0 mSdLazyCounter, 4666 mSolverCounterSat, 4118 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8359 SdHoareTripleChecker+Valid, 10356 SdHoareTripleChecker+Invalid, 8785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4118 IncrementalHoareTripleChecker+Valid, 4666 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:46,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8359 Valid, 10356 Invalid, 8785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4118 Valid, 4666 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-10-16 12:06:46,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57893 states. [2022-10-16 12:06:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57893 to 55644. [2022-10-16 12:06:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55644 states, 40278 states have (on average 1.3461691245841403) internal successors, (54221), 41233 states have internal predecessors, (54221), 12490 states have call successors, (12490), 2712 states have call predecessors, (12490), 2703 states have return successors, (12817), 12067 states have call predecessors, (12817), 12442 states have call successors, (12817) [2022-10-16 12:06:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55644 states to 55644 states and 79528 transitions. [2022-10-16 12:06:52,481 INFO L78 Accepts]: Start accepts. Automaton has 55644 states and 79528 transitions. Word has length 212 [2022-10-16 12:06:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:52,482 INFO L495 AbstractCegarLoop]: Abstraction has 55644 states and 79528 transitions. [2022-10-16 12:06:52,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-16 12:06:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 55644 states and 79528 transitions. [2022-10-16 12:06:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-10-16 12:06:52,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:52,505 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:52,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:06:52,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting pcnet32_get_regs_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:06:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:52,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1943923942, now seen corresponding path program 1 times [2022-10-16 12:06:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:52,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019260524] [2022-10-16 12:06:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:06:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:06:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:06:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 12:06:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 12:06:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 12:06:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-16 12:06:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 12:06:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-10-16 12:06:53,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:53,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019260524] [2022-10-16 12:06:53,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019260524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:53,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:53,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:06:53,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341826943] [2022-10-16 12:06:53,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:53,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:06:53,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:53,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:06:53,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:06:53,804 INFO L87 Difference]: Start difference. First operand 55644 states and 79528 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-10-16 12:07:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:07:05,261 INFO L93 Difference]: Finished difference Result 139172 states and 199181 transitions. [2022-10-16 12:07:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:07:05,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 254 [2022-10-16 12:07:05,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:07:05,700 INFO L225 Difference]: With dead ends: 139172 [2022-10-16 12:07:05,700 INFO L226 Difference]: Without dead ends: 83559 [2022-10-16 12:07:06,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:07:06,238 INFO L413 NwaCegarLoop]: 7564 mSDtfsCounter, 4055 mSDsluCounter, 6226 mSDsCounter, 0 mSdLazyCounter, 3055 mSolverCounterSat, 1281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4636 SdHoareTripleChecker+Valid, 13790 SdHoareTripleChecker+Invalid, 4336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1281 IncrementalHoareTripleChecker+Valid, 3055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:07:06,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4636 Valid, 13790 Invalid, 4336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1281 Valid, 3055 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 12:07:06,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83559 states. [2022-10-16 12:07:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83559 to 81315. [2022-10-16 12:07:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81315 states, 58992 states have (on average 1.346419853539463) internal successors, (79428), 60280 states have internal predecessors, (79428), 18196 states have call successors, (18196), 3984 states have call predecessors, (18196), 3954 states have return successors, (18580), 17578 states have call predecessors, (18580), 18124 states have call successors, (18580) [2022-10-16 12:07:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81315 states to 81315 states and 116204 transitions. [2022-10-16 12:07:13,495 INFO L78 Accepts]: Start accepts. Automaton has 81315 states and 116204 transitions. Word has length 254 [2022-10-16 12:07:13,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:07:13,496 INFO L495 AbstractCegarLoop]: Abstraction has 81315 states and 116204 transitions. [2022-10-16 12:07:13,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-10-16 12:07:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 81315 states and 116204 transitions. [2022-10-16 12:07:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-10-16 12:07:13,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:07:13,511 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:07:13,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:07:13,512 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting pcnet32_probe1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:07:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:07:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1858947798, now seen corresponding path program 1 times [2022-10-16 12:07:13,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:07:13,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282417151] [2022-10-16 12:07:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:07:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:07:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:07:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:07:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:07:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:07:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:07:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:07:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:07:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:07:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:07:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:07:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:07:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:07:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:07:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:07:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:07:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:07:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:07:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 12:07:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 12:07:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:07:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 12:07:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 12:07:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:07:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 12:07:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-16 12:07:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 12:07:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:07:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:07:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-16 12:07:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:07:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:07:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2022-10-16 12:07:14,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:07:14,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282417151] [2022-10-16 12:07:14,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282417151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:07:14,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:07:14,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:07:14,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511222101] [2022-10-16 12:07:14,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:07:14,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:07:14,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:07:14,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:07:14,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:07:14,715 INFO L87 Difference]: Start difference. First operand 81315 states and 116204 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-10-16 12:07:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:07:22,735 INFO L93 Difference]: Finished difference Result 142762 states and 203046 transitions. [2022-10-16 12:07:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:07:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 301 [2022-10-16 12:07:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:07:23,016 INFO L225 Difference]: With dead ends: 142762 [2022-10-16 12:07:23,016 INFO L226 Difference]: Without dead ends: 61478 [2022-10-16 12:07:23,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:07:23,288 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 4304 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4715 SdHoareTripleChecker+Valid, 5850 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1297 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:07:23,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4715 Valid, 5850 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1297 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 12:07:23,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61478 states. [2022-10-16 12:07:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61478 to 59991. [2022-10-16 12:07:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59991 states, 42960 states have (on average 1.3294692737430167) internal successors, (57114), 44026 states have internal predecessors, (57114), 13606 states have call successors, (13606), 3306 states have call predecessors, (13606), 3252 states have return successors, (13765), 13114 states have call predecessors, (13765), 13534 states have call successors, (13765) [2022-10-16 12:07:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59991 states to 59991 states and 84485 transitions. [2022-10-16 12:07:28,413 INFO L78 Accepts]: Start accepts. Automaton has 59991 states and 84485 transitions. Word has length 301 [2022-10-16 12:07:28,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:07:28,414 INFO L495 AbstractCegarLoop]: Abstraction has 59991 states and 84485 transitions. [2022-10-16 12:07:28,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-10-16 12:07:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 59991 states and 84485 transitions. [2022-10-16 12:07:28,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-16 12:07:28,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:07:28,438 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:07:28,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:07:28,438 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting pcnet32_get_regs_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:07:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:07:28,439 INFO L85 PathProgramCache]: Analyzing trace with hash -42670593, now seen corresponding path program 1 times [2022-10-16 12:07:28,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:07:28,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778128887] [2022-10-16 12:07:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:07:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:07:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:07:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:07:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:07:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:07:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:07:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:07:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:07:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:07:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:07:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:07:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:07:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:07:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:07:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:07:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:07:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:07:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:07:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 12:07:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 12:07:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 12:07:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-16 12:07:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 12:07:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:07:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:07:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 12:07:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:07:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:07:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:07:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-16 12:07:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 12:07:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2022-10-16 12:07:29,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:07:29,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778128887] [2022-10-16 12:07:29,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778128887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:07:29,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:07:29,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:07:29,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561489762] [2022-10-16 12:07:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:07:29,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:07:29,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:07:29,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:07:29,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:07:29,299 INFO L87 Difference]: Start difference. First operand 59991 states and 84485 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:07:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:07:40,007 INFO L93 Difference]: Finished difference Result 137036 states and 193018 transitions. [2022-10-16 12:07:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:07:40,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 328 [2022-10-16 12:07:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:07:40,614 INFO L225 Difference]: With dead ends: 137036 [2022-10-16 12:07:40,614 INFO L226 Difference]: Without dead ends: 77076 [2022-10-16 12:07:40,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:07:40,821 INFO L413 NwaCegarLoop]: 6472 mSDtfsCounter, 3135 mSDsluCounter, 5478 mSDsCounter, 0 mSdLazyCounter, 2869 mSolverCounterSat, 1231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3578 SdHoareTripleChecker+Valid, 11950 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1231 IncrementalHoareTripleChecker+Valid, 2869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:07:40,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3578 Valid, 11950 Invalid, 4100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1231 Valid, 2869 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-16 12:07:40,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77076 states. [2022-10-16 12:07:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77076 to 75042. [2022-10-16 12:07:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75042 states, 53676 states have (on average 1.3267009464192563) internal successors, (71212), 54976 states have internal predecessors, (71212), 17044 states have call successors, (17044), 4236 states have call predecessors, (17044), 4149 states have return successors, (17179), 16414 states have call predecessors, (17179), 16948 states have call successors, (17179) [2022-10-16 12:07:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75042 states to 75042 states and 105435 transitions. [2022-10-16 12:07:46,688 INFO L78 Accepts]: Start accepts. Automaton has 75042 states and 105435 transitions. Word has length 328 [2022-10-16 12:07:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:07:46,689 INFO L495 AbstractCegarLoop]: Abstraction has 75042 states and 105435 transitions. [2022-10-16 12:07:46,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:07:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75042 states and 105435 transitions. [2022-10-16 12:07:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-16 12:07:46,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:07:46,713 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:07:46,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:07:46,713 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting pcnet32_get_regs_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:07:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:07:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -115057151, now seen corresponding path program 1 times [2022-10-16 12:07:46,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:07:46,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878873256] [2022-10-16 12:07:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:07:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:07:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:07:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:07:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:07:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:07:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:07:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:07:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:07:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:07:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:07:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:07:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:07:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:07:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:07:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:07:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 12:07:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 12:07:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:07:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 12:07:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 12:07:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 12:07:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-16 12:07:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 12:07:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:07:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:07:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 12:07:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:07:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:07:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:07:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-16 12:07:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 12:07:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2022-10-16 12:07:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:07:48,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878873256] [2022-10-16 12:07:48,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878873256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:07:48,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:07:48,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:07:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289626992] [2022-10-16 12:07:48,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:07:48,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:07:48,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:07:48,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:07:48,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:07:48,006 INFO L87 Difference]: Start difference. First operand 75042 states and 105435 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:08:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:08:00,690 INFO L93 Difference]: Finished difference Result 172913 states and 243309 transitions. [2022-10-16 12:08:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:08:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 328 [2022-10-16 12:08:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:08:01,168 INFO L225 Difference]: With dead ends: 172913 [2022-10-16 12:08:01,169 INFO L226 Difference]: Without dead ends: 97902 [2022-10-16 12:08:01,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:08:01,360 INFO L413 NwaCegarLoop]: 6855 mSDtfsCounter, 4172 mSDsluCounter, 5217 mSDsCounter, 0 mSdLazyCounter, 2894 mSolverCounterSat, 1282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4755 SdHoareTripleChecker+Valid, 12072 SdHoareTripleChecker+Invalid, 4176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1282 IncrementalHoareTripleChecker+Valid, 2894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:08:01,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4755 Valid, 12072 Invalid, 4176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1282 Valid, 2894 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 12:08:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97902 states. [2022-10-16 12:08:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97902 to 95250. [2022-10-16 12:08:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95250 states, 68220 states have (on average 1.3261506889475227) internal successors, (90470), 69790 states have internal predecessors, (90470), 21607 states have call successors, (21607), 5364 states have call predecessors, (21607), 5250 states have return successors, (21712), 20815 states have call predecessors, (21712), 21487 states have call successors, (21712) [2022-10-16 12:08:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95250 states to 95250 states and 133789 transitions. [2022-10-16 12:08:09,230 INFO L78 Accepts]: Start accepts. Automaton has 95250 states and 133789 transitions. Word has length 328 [2022-10-16 12:08:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:08:09,232 INFO L495 AbstractCegarLoop]: Abstraction has 95250 states and 133789 transitions. [2022-10-16 12:08:09,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:08:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 95250 states and 133789 transitions. [2022-10-16 12:08:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-10-16 12:08:09,255 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:08:09,256 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 7, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:08:09,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:08:09,256 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting pcnet32_purge_rx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mdio_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mdio_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pcnet32_purge_tx_ringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 191 more)] === [2022-10-16 12:08:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:08:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash -166961620, now seen corresponding path program 1 times [2022-10-16 12:08:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:08:09,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875324459] [2022-10-16 12:08:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:08:09,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:08:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:08:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:08:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:08:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:08:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:08:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:08:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:08:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:08:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:08:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:08:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:08:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:08:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:08:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:08:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:08:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 12:08:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 12:08:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 12:08:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:08:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:08:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 12:08:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:08:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:08:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-16 12:08:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:08:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:08:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:08:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-16 12:08:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 12:08:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:08:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 12:08:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 12:08:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:08:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:08:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-10-16 12:08:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:08:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:08:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-16 12:08:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:08:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:08:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 12:08:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 12:08:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:08:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-16 12:08:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-16 12:08:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:08:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-16 12:08:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 12:08:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:08:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-10-16 12:08:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-10-16 12:08:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:08:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2022-10-16 12:08:10,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:08:10,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875324459] [2022-10-16 12:08:10,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875324459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:08:10,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:08:10,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:08:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733903329] [2022-10-16 12:08:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:08:10,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:08:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:08:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:08:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:08:10,577 INFO L87 Difference]: Start difference. First operand 95250 states and 133789 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-10-16 12:08:15,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:28,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:08:28,793 INFO L93 Difference]: Finished difference Result 197607 states and 277994 transitions. [2022-10-16 12:08:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 12:08:28,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 391 [2022-10-16 12:08:28,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:08:29,248 INFO L225 Difference]: With dead ends: 197607 [2022-10-16 12:08:29,248 INFO L226 Difference]: Without dead ends: 102388 [2022-10-16 12:08:29,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:08:29,774 INFO L413 NwaCegarLoop]: 4100 mSDtfsCounter, 4798 mSDsluCounter, 7142 mSDsCounter, 0 mSdLazyCounter, 4592 mSolverCounterSat, 3259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4948 SdHoareTripleChecker+Valid, 11242 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3259 IncrementalHoareTripleChecker+Valid, 4592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:08:29,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4948 Valid, 11242 Invalid, 7851 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3259 Valid, 4592 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-10-16 12:08:29,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102388 states.