/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-3com-3c59x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:52:06,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:52:06,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:52:06,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:52:06,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:52:06,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:52:06,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:52:06,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:52:06,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:52:06,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:52:06,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:52:06,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:52:06,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:52:06,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:52:06,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:52:06,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:52:06,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:52:06,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:52:06,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:52:06,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:52:06,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:52:06,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:52:06,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:52:06,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:52:06,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:52:06,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:52:06,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:52:06,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:52:06,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:52:06,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:52:06,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:52:06,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:52:06,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:52:06,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:52:06,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:52:06,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:52:06,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:52:06,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:52:06,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:52:06,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:52:06,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:52:06,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 20:52:07,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:52:07,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:52:07,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:52:07,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:52:07,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:52:07,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:52:07,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:52:07,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:52:07,052 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:52:07,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:52:07,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:52:07,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:52:07,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:52:07,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:52:07,055 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:52:07,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:52:07,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:52:07,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:52:07,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:52:07,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:52:07,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:52:07,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:52:07,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:52:07,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:52:07,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:52:07,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:52:07,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:52:07,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:52:07,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:52:07,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:52:07,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:52:07,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:52:07,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:52:07,481 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:52:07,483 INFO L432 ainManager$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-3com-3c59x.cil.i [2022-10-15 20:52:07,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b66a616/c9e3946837874cd6ae7e327386c30c95/FLAGe3745bb21 [2022-10-15 20:52:09,095 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:52:09,096 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-3com-3c59x.cil.i [2022-10-15 20:52:09,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b66a616/c9e3946837874cd6ae7e327386c30c95/FLAGe3745bb21 [2022-10-15 20:52:09,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b66a616/c9e3946837874cd6ae7e327386c30c95 [2022-10-15 20:52:09,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:52:09,631 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:52:09,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:52:09,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:52:09,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:52:09,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:52:09" (1/1) ... [2022-10-15 20:52:09,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de4b7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:09, skipping insertion in model container [2022-10-15 20:52:09,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:52:09" (1/1) ... [2022-10-15 20:52:09,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:52:09,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:52:15,257 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-3com-3c59x.cil.i[464872,464885] [2022-10-15 20:52:15,258 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-3com-3c59x.cil.i[465017,465030] [2022-10-15 20:52:15,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:52:15,381 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:52:15,961 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-3com-3c59x.cil.i[464872,464885] [2022-10-15 20:52:15,962 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-3com-3c59x.cil.i[465017,465030] [2022-10-15 20:52:15,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:52:16,439 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:52:16,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16 WrapperNode [2022-10-15 20:52:16,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:52:16,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:52:16,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:52:16,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:52:16,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:16,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,025 INFO L138 Inliner]: procedures = 567, calls = 4464, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9483 [2022-10-15 20:52:17,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:52:17,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:52:17,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:52:17,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:52:17,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:52:17,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:52:17,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:52:17,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:52:17,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (1/1) ... [2022-10-15 20:52:17,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:52:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:52:17,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 20:52:17,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 20:52:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 20:52:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 20:52:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:52:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:52:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-15 20:52:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-15 20:52:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-15 20:52:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-15 20:52:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-10-15 20:52:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-10-15 20:52:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 20:52:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 20:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-10-15 20:52:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-10-15 20:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:52:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:52:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 20:52:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 20:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-10-15 20:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-10-15 20:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-10-15 20:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-10-15 20:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-15 20:52:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-15 20:52:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-10-15 20:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-10-15 20:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 20:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 20:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-15 20:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-15 20:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-15 20:52:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-15 20:52:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-10-15 20:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-10-15 20:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-15 20:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-15 20:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-15 20:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-15 20:52:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 20:52:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 20:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-10-15 20:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-10-15 20:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-10-15 20:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-10-15 20:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-10-15 20:52:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-10-15 20:52:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 20:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 20:52:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:52:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 20:52:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 20:52:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 20:52:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-15 20:52:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-15 20:52:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-15 20:52:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-15 20:52:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-15 20:52:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 20:52:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 20:52:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:52:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-15 20:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-15 20:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 20:52:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 20:52:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-15 20:52:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-15 20:52:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:52:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-10-15 20:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-10-15 20:52:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-15 20:52:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-15 20:52:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:52:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-10-15 20:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-10-15 20:52:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 20:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 20:52:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-10-15 20:52:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-10-15 20:52:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:52:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-10-15 20:52:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-10-15 20:52:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-10-15 20:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-10-15 20:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-10-15 20:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-10-15 20:52:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 20:52:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 20:52:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-15 20:52:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-15 20:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 20:52:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 20:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-10-15 20:52:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-10-15 20:52:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:52:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:52:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:52:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-10-15 20:52:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-10-15 20:52:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-15 20:52:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-15 20:52:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:52:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:52:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:52:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:52:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:52:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:52:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:52:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:52:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:52:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:52:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 20:52:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 20:52:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-10-15 20:52:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-10-15 20:52:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-10-15 20:52:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-10-15 20:52:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-15 20:52:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-15 20:52:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 20:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 20:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-10-15 20:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-10-15 20:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 20:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 20:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-10-15 20:52:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-10-15 20:52:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:52:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-15 20:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-15 20:52:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-15 20:52:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-15 20:52:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:52:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:52:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-15 20:52:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-15 20:52:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-10-15 20:52:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-10-15 20:52:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-15 20:52:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-15 20:52:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:52:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:52:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:52:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 20:52:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 20:52:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:52:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-15 20:52:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-15 20:52:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:52:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:52:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 20:52:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 20:52:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 20:52:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 20:52:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:52:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:52:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-15 20:52:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-15 20:52:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-10-15 20:52:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-10-15 20:52:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 20:52:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 20:52:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-10-15 20:52:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-10-15 20:52:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-15 20:52:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-15 20:52:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-15 20:52:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-15 20:52:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-10-15 20:52:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-10-15 20:52:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-10-15 20:52:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-10-15 20:52:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:52:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:52:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-10-15 20:52:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-10-15 20:52:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:52:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:52:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 20:52:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 20:52:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-10-15 20:52:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-10-15 20:52:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:52:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:52:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-10-15 20:52:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-10-15 20:52:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-10-15 20:52:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-10-15 20:52:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 20:52:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 20:52:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-10-15 20:52:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-10-15 20:52:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-10-15 20:52:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-10-15 20:52:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-10-15 20:52:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-10-15 20:52:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-10-15 20:52:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-10-15 20:52:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-15 20:52:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-15 20:52:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:52:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:52:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-10-15 20:52:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-10-15 20:52:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:52:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:52:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:52:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:52:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:52:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:52:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-15 20:52:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-15 20:52:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 20:52:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 20:52:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:52:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:52:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-10-15 20:52:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-10-15 20:52:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 20:52:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 20:52:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-15 20:52:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-15 20:52:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:52:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-10-15 20:52:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-10-15 20:52:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-15 20:52:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-15 20:52:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 20:52:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 20:52:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:52:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-10-15 20:52:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-10-15 20:52:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-10-15 20:52:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-10-15 20:52:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:52:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-15 20:52:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-15 20:52:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-15 20:52:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-10-15 20:52:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:52:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:52:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:52:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:52:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-15 20:52:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-15 20:52:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-15 20:52:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-15 20:52:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-10-15 20:52:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-10-15 20:52:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-10-15 20:52:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-10-15 20:52:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-10-15 20:52:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-10-15 20:52:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-15 20:52:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-15 20:52:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-10-15 20:52:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-10-15 20:52:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-10-15 20:52:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-10-15 20:52:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 20:52:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 20:52:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:52:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:52:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-15 20:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-15 20:52:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-10-15 20:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-10-15 20:52:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 20:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 20:52:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-10-15 20:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-10-15 20:52:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:52:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-10-15 20:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-10-15 20:52:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-10-15 20:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-10-15 20:52:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 20:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 20:52:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-10-15 20:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-10-15 20:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-10-15 20:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-10-15 20:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-15 20:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-15 20:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-15 20:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-15 20:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-15 20:52:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-15 20:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-10-15 20:52:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-10-15 20:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-10-15 20:52:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-10-15 20:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:52:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-15 20:52:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-15 20:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-15 20:52:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-15 20:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 20:52:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 20:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-10-15 20:52:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-10-15 20:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 20:52:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 20:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-10-15 20:52:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-10-15 20:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-10-15 20:52:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-10-15 20:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:52:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-15 20:52:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-15 20:52:19,008 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:52:19,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:52:21,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:52:30,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:52:30,553 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:52:30,592 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:52:30,592 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 20:52:30,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:30 BoogieIcfgContainer [2022-10-15 20:52:30,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:52:30,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:52:30,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:52:30,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:52:30,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:52:09" (1/3) ... [2022-10-15 20:52:30,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fec539b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:30, skipping insertion in model container [2022-10-15 20:52:30,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:52:16" (2/3) ... [2022-10-15 20:52:30,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fec539b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:30, skipping insertion in model container [2022-10-15 20:52:30,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:30" (3/3) ... [2022-10-15 20:52:30,612 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-15 20:52:30,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:52:30,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2022-10-15 20:52:30,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:52:30,790 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;@1d1b96a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:52:30,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2022-10-15 20:52:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 3499 states, 2408 states have (on average 1.4132059800664452) internal successors, (3403), 2614 states have internal predecessors, (3403), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2022-10-15 20:52:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 20:52:30,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:30,868 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2022-10-15 20:52:30,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vortex_probe1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, vortex_probe1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, vortex_probe1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2022-10-15 20:52:30,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:30,875 INFO L85 PathProgramCache]: Analyzing trace with hash 361033344, now seen corresponding path program 1 times [2022-10-15 20:52:30,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:30,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896413631] [2022-10-15 20:52:30,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:52:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:52:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:52:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:52:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 20:52:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-15 20:52:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 20:52:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-15 20:52:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2022-10-15 20:52:33,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:33,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896413631] [2022-10-15 20:52:33,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896413631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:33,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:33,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:33,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424488987] [2022-10-15 20:52:33,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:33,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:33,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:33,214 INFO L87 Difference]: Start difference. First operand has 3499 states, 2408 states have (on average 1.4132059800664452) internal successors, (3403), 2614 states have internal predecessors, (3403), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-10-15 20:52:37,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:37,730 INFO L93 Difference]: Finished difference Result 6958 states and 10088 transitions. [2022-10-15 20:52:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 20:52:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 229 [2022-10-15 20:52:37,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:37,816 INFO L225 Difference]: With dead ends: 6958 [2022-10-15 20:52:37,817 INFO L226 Difference]: Without dead ends: 3460 [2022-10-15 20:52:37,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:37,870 INFO L413 NwaCegarLoop]: 4660 mSDtfsCounter, 4821 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 1491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5322 SdHoareTripleChecker+Valid, 7096 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1491 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:37,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5322 Valid, 7096 Invalid, 2322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1491 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-15 20:52:37,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2022-10-15 20:52:38,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3437. [2022-10-15 20:52:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3437 states, 2386 states have (on average 1.3813914501257334) internal successors, (3296), 2587 states have internal predecessors, (3296), 771 states have call successors, (771), 149 states have call predecessors, (771), 148 states have return successors, (768), 753 states have call predecessors, (768), 768 states have call successors, (768) [2022-10-15 20:52:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3437 states and 4835 transitions. [2022-10-15 20:52:38,261 INFO L78 Accepts]: Start accepts. Automaton has 3437 states and 4835 transitions. Word has length 229 [2022-10-15 20:52:38,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:38,263 INFO L495 AbstractCegarLoop]: Abstraction has 3437 states and 4835 transitions. [2022-10-15 20:52:38,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-10-15 20:52:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 4835 transitions. [2022-10-15 20:52:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 20:52:38,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:38,278 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2022-10-15 20:52:38,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:52:38,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vortex_probe1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, vortex_probe1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, vortex_probe1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2022-10-15 20:52:38,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:38,280 INFO L85 PathProgramCache]: Analyzing trace with hash 361033665, now seen corresponding path program 1 times [2022-10-15 20:52:38,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:38,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064204535] [2022-10-15 20:52:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:52:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:52:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:52:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:52:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 20:52:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-15 20:52:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 20:52:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-15 20:52:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2022-10-15 20:52:40,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:40,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064204535] [2022-10-15 20:52:40,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064204535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:40,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:40,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:40,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999736255] [2022-10-15 20:52:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:40,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:40,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:40,634 INFO L87 Difference]: Start difference. First operand 3437 states and 4835 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)