./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:37:19,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:37:19,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:37:19,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:37:19,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:37:19,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:37:19,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:37:19,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:37:19,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:37:19,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:37:19,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:37:19,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:37:19,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:37:19,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:37:19,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:37:19,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:37:19,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:37:19,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:37:19,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:37:19,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:37:19,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:37:19,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:37:19,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:37:19,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:37:19,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:37:19,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:37:19,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:37:19,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:37:19,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:37:19,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:37:19,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:37:19,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:37:19,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:37:19,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:37:19,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:37:19,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:37:19,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:37:19,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:37:19,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:37:19,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:37:19,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:37:19,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:37:19,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:37:19,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:37:19,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:37:19,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:37:19,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:37:19,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:37:19,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:37:19,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:37:19,834 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:37:19,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:37:19,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:37:19,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:37:19,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:37:19,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:37:19,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:19,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:37:19,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:37:19,838 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:37:19,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:37:19,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:37:19,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:37:19,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-12-14 18:37:20,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:37:20,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:37:20,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:37:20,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:37:20,047 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:37:20,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-14 18:37:20,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f643c7e/89f8ee4fe7b14c23bce2fd007e252a09/FLAG2b565c304 [2021-12-14 18:37:20,716 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:37:20,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-14 18:37:20,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f643c7e/89f8ee4fe7b14c23bce2fd007e252a09/FLAG2b565c304 [2021-12-14 18:37:20,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f643c7e/89f8ee4fe7b14c23bce2fd007e252a09 [2021-12-14 18:37:20,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:37:20,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:37:20,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:20,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:37:20,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:37:20,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:20" (1/1) ... [2021-12-14 18:37:20,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdd8507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:20, skipping insertion in model container [2021-12-14 18:37:20,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:20" (1/1) ... [2021-12-14 18:37:20,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:37:20,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:37:24,236 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-12-14 18:37:24,239 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-12-14 18:37:24,240 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-12-14 18:37:24,241 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-12-14 18:37:24,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:24,360 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:37:24,691 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-12-14 18:37:24,691 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-12-14 18:37:24,692 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-12-14 18:37:24,692 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-12-14 18:37:24,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:24,902 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:37:24,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24 WrapperNode [2021-12-14 18:37:24,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:24,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:24,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:37:24,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:37:24,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,262 INFO L137 Inliner]: procedures = 663, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10344 [2021-12-14 18:37:25,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:25,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:37:25,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:37:25,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:37:25,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:37:25,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:37:25,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:37:25,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:37:25,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (1/1) ... [2021-12-14 18:37:25,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:37:25,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:37:25,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:37:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:37:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:37:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:37:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:37:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-12-14 18:37:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-12-14 18:37:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:37:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:37:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-12-14 18:37:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-12-14 18:37:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:37:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:37:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-14 18:37:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-14 18:37:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-12-14 18:37:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-12-14 18:37:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-12-14 18:37:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-12-14 18:37:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-12-14 18:37:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-12-14 18:37:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-12-14 18:37:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-12-14 18:37:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-12-14 18:37:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-12-14 18:37:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:37:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:37:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-14 18:37:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-14 18:37:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-14 18:37:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-14 18:37:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-12-14 18:37:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-12-14 18:37:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-12-14 18:37:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-12-14 18:37:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:37:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:37:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:37:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:37:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:37:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:37:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:37:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:37:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-12-14 18:37:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-12-14 18:37:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:37:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:37:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:37:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:37:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:37:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:37:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-12-14 18:37:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-12-14 18:37:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:37:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:37:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:37:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-14 18:37:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-14 18:37:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-14 18:37:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-14 18:37:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-12-14 18:37:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-12-14 18:37:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-12-14 18:37:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-12-14 18:37:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-12-14 18:37:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-12-14 18:37:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-14 18:37:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-14 18:37:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:37:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:37:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-12-14 18:37:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-12-14 18:37:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-12-14 18:37:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-12-14 18:37:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-12-14 18:37:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-12-14 18:37:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-12-14 18:37:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-12-14 18:37:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:37:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-12-14 18:37:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-12-14 18:37:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:37:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:37:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:37:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-12-14 18:37:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-12-14 18:37:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:37:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:37:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-12-14 18:37:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-12-14 18:37:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-12-14 18:37:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-12-14 18:37:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:37:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:37:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:37:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-12-14 18:37:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-12-14 18:37:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:37:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:37:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:37:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:37:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-12-14 18:37:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-12-14 18:37:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:37:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:37:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-14 18:37:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-14 18:37:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:37:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:37:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-12-14 18:37:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-12-14 18:37:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-14 18:37:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-14 18:37:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-12-14 18:37:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-12-14 18:37:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:37:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:37:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:37:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:37:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:37:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:37:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-12-14 18:37:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-12-14 18:37:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-14 18:37:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-14 18:37:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:37:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:37:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:37:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:37:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:37:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-12-14 18:37:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-12-14 18:37:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-12-14 18:37:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-12-14 18:37:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:37:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:37:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-14 18:37:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-14 18:37:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-12-14 18:37:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-12-14 18:37:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-12-14 18:37:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-12-14 18:37:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:37:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:37:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-12-14 18:37:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-12-14 18:37:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:37:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:37:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-14 18:37:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 18:37:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-12-14 18:37:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-14 18:37:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:37:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:37:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:37:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-12-14 18:37:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-12-14 18:37:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-12-14 18:37:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:37:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:37:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-12-14 18:37:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-12-14 18:37:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-14 18:37:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-14 18:37:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-12-14 18:37:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-12-14 18:37:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-12-14 18:37:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-12-14 18:37:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-14 18:37:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-14 18:37:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-12-14 18:37:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-12-14 18:37:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-12-14 18:37:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-12-14 18:37:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:37:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:37:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-12-14 18:37:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-12-14 18:37:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:37:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:37:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-12-14 18:37:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-12-14 18:37:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:37:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:37:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-14 18:37:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-14 18:37:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-12-14 18:37:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-12-14 18:37:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-12-14 18:37:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-12-14 18:37:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-12-14 18:37:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-12-14 18:37:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:37:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:37:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-12-14 18:37:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-12-14 18:37:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:37:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:37:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-14 18:37:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-14 18:37:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-12-14 18:37:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-12-14 18:37:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-12-14 18:37:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-12-14 18:37:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:37:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:37:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:37:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:37:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:37:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:37:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:37:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-12-14 18:37:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-12-14 18:37:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:37:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-12-14 18:37:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-12-14 18:37:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:37:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:37:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-12-14 18:37:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-12-14 18:37:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:37:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:37:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-12-14 18:37:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-12-14 18:37:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:37:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-12-14 18:37:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-12-14 18:37:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:37:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:37:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:37:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:37:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:37:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:37:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:37:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:37:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:37:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:37:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-12-14 18:37:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-12-14 18:37:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:37:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-12-14 18:37:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-12-14 18:37:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-14 18:37:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-14 18:37:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-12-14 18:37:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-12-14 18:37:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:37:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:37:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-12-14 18:37:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-12-14 18:37:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-12-14 18:37:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-12-14 18:37:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:37:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:37:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-12-14 18:37:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 18:37:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-12-14 18:37:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-12-14 18:37:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-12-14 18:37:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 18:37:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 18:37:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:37:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:37:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-12-14 18:37:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-12-14 18:37:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:37:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-12-14 18:37:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-12-14 18:37:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:37:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:37:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-12-14 18:37:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-12-14 18:37:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-12-14 18:37:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-12-14 18:37:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-12-14 18:37:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-12-14 18:37:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-12-14 18:37:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-12-14 18:37:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-12-14 18:37:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-12-14 18:37:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-12-14 18:37:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-12-14 18:37:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:37:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:37:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-12-14 18:37:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-12-14 18:37:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-12-14 18:37:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-12-14 18:37:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-12-14 18:37:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-12-14 18:37:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-12-14 18:37:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-14 18:37:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-12-14 18:37:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-12-14 18:37:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-12-14 18:37:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-12-14 18:37:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:37:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:37:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:37:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-12-14 18:37:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-12-14 18:37:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-12-14 18:37:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-14 18:37:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:37:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-12-14 18:37:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:37:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-12-14 18:37:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-14 18:37:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-14 18:37:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-12-14 18:37:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-12-14 18:37:26,738 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:37:26,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:37:30,281 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:37:43,379 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:37:43,475 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:37:43,492 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:37:43,492 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 18:37:43,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:43 BoogieIcfgContainer [2021-12-14 18:37:43,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:37:43,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:37:43,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:37:43,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:37:43,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:37:20" (1/3) ... [2021-12-14 18:37:43,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a0d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:43, skipping insertion in model container [2021-12-14 18:37:43,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:24" (2/3) ... [2021-12-14 18:37:43,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a0d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:43, skipping insertion in model container [2021-12-14 18:37:43,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:43" (3/3) ... [2021-12-14 18:37:43,503 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-14 18:37:43,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:37:43,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:37:43,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:37:43,560 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:37:43,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:37:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2021-12-14 18:37:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-14 18:37:43,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:37:43,640 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:37:43,640 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:37:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:37:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-12-14 18:37:43,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:37:43,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880757879] [2021-12-14 18:37:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:37:43,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:37:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:37:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:37:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:37:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:37:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:37:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:37:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:37:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:37:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:37:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:37:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:37:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:37:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:37:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:37:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:37:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:37:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:37:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:37:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:37:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:37:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:37:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-14 18:37:44,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:37:44,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880757879] [2021-12-14 18:37:44,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880757879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:37:44,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:37:44,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:37:44,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743203237] [2021-12-14 18:37:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:37:44,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:37:44,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:37:44,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:37:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:37:44,788 INFO L87 Difference]: Start difference. First operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-14 18:37:46,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:37:47,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:37:50,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:37:52,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:37:57,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:38:04,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:38:06,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:38:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:07,036 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-12-14 18:38:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:07,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-14 18:38:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:07,093 INFO L225 Difference]: With dead ends: 9700 [2021-12-14 18:38:07,094 INFO L226 Difference]: Without dead ends: 6549 [2021-12-14 18:38:07,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:07,112 INFO L933 BasicCegarLoop]: 4659 mSDtfsCounter, 5801 mSDsluCounter, 5200 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 2275 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6468 SdHoareTripleChecker+Valid, 9859 SdHoareTripleChecker+Invalid, 4979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:07,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6468 Valid, 9859 Invalid, 4979 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 2700 Invalid, 4 Unknown, 0 Unchecked, 21.6s Time] [2021-12-14 18:38:07,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-12-14 18:38:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-12-14 18:38:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 4391 states have (on average 1.2862673650649055) internal successors, (5648), 4520 states have internal predecessors, (5648), 1463 states have call successors, (1463), 337 states have call predecessors, (1463), 336 states have return successors, (1459), 1433 states have call predecessors, (1459), 1459 states have call successors, (1459) [2021-12-14 18:38:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-12-14 18:38:07,404 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-12-14 18:38:07,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:07,408 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-12-14 18:38:07,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-14 18:38:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-12-14 18:38:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-14 18:38:07,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:07,416 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:07,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:38:07,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-12-14 18:38:07,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:07,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94887454] [2021-12-14 18:38:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:38:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:38:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:38:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:38:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:38:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:38:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:38:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:38:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:38:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-14 18:38:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-14 18:38:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-14 18:38:08,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:08,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94887454] [2021-12-14 18:38:08,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94887454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:08,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:08,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:08,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055438584] [2021-12-14 18:38:08,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:08,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:08,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:08,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:08,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:08,023 INFO L87 Difference]: Start difference. First operand 6193 states and 8570 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-14 18:38:11,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:38:14,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []