./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:31:26,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:31:26,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:31:26,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:31:26,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:31:26,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:31:26,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:31:26,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:31:26,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:31:26,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:31:26,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:31:26,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:31:26,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:31:26,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:31:26,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:31:26,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:31:26,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:31:26,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:31:26,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:31:26,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:31:26,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:31:26,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:31:26,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:31:26,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:31:26,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:31:26,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:31:26,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:31:26,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:31:26,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:31:26,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:31:26,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:31:26,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:31:26,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:31:26,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:31:26,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:31:26,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:31:26,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:31:26,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:31:26,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:31:26,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:31:26,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:31:26,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:31:26,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:31:26,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:31:26,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:31:26,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:31:26,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:31:26,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:31:26,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:31:26,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:31:26,828 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:31:26,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:31:26,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:31:26,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:31:26,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:31:26,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:31:26,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:31:26,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:31:26,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:31:26,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:31:26,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:31:26,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:31:26,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:31:26,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:31:26,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:31:26,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:31:26,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:31:26,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:31:26,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:31:26,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:31:26,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:31:26,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:31:26,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:31:26,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-12-22 15:31:27,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:31:27,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:31:27,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:31:27,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:31:27,057 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:31:27,058 INFO L432 ainManager$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 [2021-12-22 15:31:27,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd6e5f75/69ff5d9d7b804659908cbebdb4678a0a/FLAGa6f2f0db7 [2021-12-22 15:31:27,799 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:31:27,800 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 [2021-12-22 15:31:27,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd6e5f75/69ff5d9d7b804659908cbebdb4678a0a/FLAGa6f2f0db7 [2021-12-22 15:31:28,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd6e5f75/69ff5d9d7b804659908cbebdb4678a0a [2021-12-22 15:31:28,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:31:28,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:31:28,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:31:28,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:31:28,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:31:28,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef57d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28, skipping insertion in model container [2021-12-22 15:31:28,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:31:28,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:31:32,671 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] [2021-12-22 15:31:32,675 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] [2021-12-22 15:31:32,676 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] [2021-12-22 15:31:32,677 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] [2021-12-22 15:31:32,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:31:32,788 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:31:33,097 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] [2021-12-22 15:31:33,098 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] [2021-12-22 15:31:33,099 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] [2021-12-22 15:31:33,099 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] [2021-12-22 15:31:33,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:31:33,303 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:31:33,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33 WrapperNode [2021-12-22 15:31:33,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:31:33,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:31:33,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:31:33,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:31:33,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,651 INFO L137 Inliner]: procedures = 663, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10344 [2021-12-22 15:31:33,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:31:33,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:31:33,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:31:33,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:31:33,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:33,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:34,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:31:34,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:31:34,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:31:34,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:31:34,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (1/1) ... [2021-12-22 15:31:34,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:31:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:31:34,080 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) [2021-12-22 15:31:34,086 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 [2021-12-22 15:31:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:31:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:31:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:31:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:31:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-12-22 15:31:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-12-22 15:31:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:31:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-12-22 15:31:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-12-22 15:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:31:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 15:31:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 15:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-12-22 15:31:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-12-22 15:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-12-22 15:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-12-22 15:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-12-22 15:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-12-22 15:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-12-22 15:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-12-22 15:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-12-22 15:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-12-22 15:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-22 15:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-22 15:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-22 15:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-22 15:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-12-22 15:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-12-22 15:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-12-22 15:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-12-22 15:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-12-22 15:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-12-22 15:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-12-22 15:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-12-22 15:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-22 15:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-22 15:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-12-22 15:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-12-22 15:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-12-22 15:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-12-22 15:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-12-22 15:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-12-22 15:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-22 15:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-22 15:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-12-22 15:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-12-22 15:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-12-22 15:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-12-22 15:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-12-22 15:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-12-22 15:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-12-22 15:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-12-22 15:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-12-22 15:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-12-22 15:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-12-22 15:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-12-22 15:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-12-22 15:31:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-12-22 15:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-12-22 15:31:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-12-22 15:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:31:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:31:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-12-22 15:31:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-12-22 15:31:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:31:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:31:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:31:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:31:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-12-22 15:31:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-12-22 15:31:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:31:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:31:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-22 15:31:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-22 15:31:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:31:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:31:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-12-22 15:31:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-12-22 15:31:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 15:31:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 15:31:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-12-22 15:31:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-12-22 15:31:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:31:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:31:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:31:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-12-22 15:31:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-12-22 15:31:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-22 15:31:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:31:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:31:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:31:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-12-22 15:31:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-12-22 15:31:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-12-22 15:31:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-12-22 15:31:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:31:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:31:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:31:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:31:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-12-22 15:31:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-12-22 15:31:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-12-22 15:31:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-12-22 15:31:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:31:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:31:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-12-22 15:31:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-12-22 15:31:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:31:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:31:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-22 15:31:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-22 15:31:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 15:31:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 15:31:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-12-22 15:31:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-12-22 15:31:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-22 15:31:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-22 15:31:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:31:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:31:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:31:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:31:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-12-22 15:31:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-12-22 15:31:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-12-22 15:31:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-12-22 15:31:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:31:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-12-22 15:31:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-12-22 15:31:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-22 15:31:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-22 15:31:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-12-22 15:31:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-12-22 15:31:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:31:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:31:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-12-22 15:31:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-12-22 15:31:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-22 15:31:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-22 15:31:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-12-22 15:31:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-12-22 15:31:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-12-22 15:31:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-12-22 15:31:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:31:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:31:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-12-22 15:31:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-12-22 15:31:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:31:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:31:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-12-22 15:31:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-12-22 15:31:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:31:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:31:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-22 15:31:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-22 15:31:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-12-22 15:31:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-12-22 15:31:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-12-22 15:31:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-12-22 15:31:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-12-22 15:31:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-12-22 15:31:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:31:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:31:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-12-22 15:31:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-12-22 15:31:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:31:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:31:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:31:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:31:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-12-22 15:31:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-12-22 15:31:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-12-22 15:31:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-12-22 15:31:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:31:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:31:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:31:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:31:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:31:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:31:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-12-22 15:31:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-12-22 15:31:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:31:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-12-22 15:31:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-12-22 15:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 15:31:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 15:31:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-12-22 15:31:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-12-22 15:31:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:31:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-12-22 15:31:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-12-22 15:31:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:31:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:31:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:31:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:31:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:31:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:31:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:31:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:31:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:31:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-12-22 15:31:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:31:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-12-22 15:31:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-12-22 15:31:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-22 15:31:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-22 15:31:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-22 15:31:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-22 15:31:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-12-22 15:31:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-12-22 15:31:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:31:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:31:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-12-22 15:31:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-12-22 15:31:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-12-22 15:31:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:31:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-12-22 15:31:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:31:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-12-22 15:31:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-12-22 15:31:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-12-22 15:31:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-12-22 15:31:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:31:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:31:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-12-22 15:31:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-12-22 15:31:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-12-22 15:31:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:31:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:31:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-12-22 15:31:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-12-22 15:31:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-12-22 15:31:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-12-22 15:31:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-12-22 15:31:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-12-22 15:31:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-12-22 15:31:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-12-22 15:31:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-12-22 15:31:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-12-22 15:31:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-12-22 15:31:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-12-22 15:31:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:31:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:31:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-12-22 15:31:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-12-22 15:31:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-12-22 15:31:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-12-22 15:31:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-12-22 15:31:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-12-22 15:31:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-12-22 15:31:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-12-22 15:31:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-22 15:31:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-12-22 15:31:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-12-22 15:31:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-12-22 15:31:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-12-22 15:31:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:31:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:31:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:31:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-12-22 15:31:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-12-22 15:31:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-12-22 15:31:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-12-22 15:31:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-12-22 15:31:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-12-22 15:31:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-22 15:31:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-22 15:31:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:31:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:31:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-12-22 15:31:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-12-22 15:31:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:31:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:31:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:31:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-12-22 15:31:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-12-22 15:31:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 15:31:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 15:31:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-12-22 15:31:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-12-22 15:31:35,269 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:31:35,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:31:38,424 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:31:47,916 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:31:47,984 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:31:47,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:31:47,999 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:31:48,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:48 BoogieIcfgContainer [2021-12-22 15:31:48,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:31:48,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:31:48,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:31:48,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:31:48,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:31:28" (1/3) ... [2021-12-22 15:31:48,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9659f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:48, skipping insertion in model container [2021-12-22 15:31:48,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:33" (2/3) ... [2021-12-22 15:31:48,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9659f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:48, skipping insertion in model container [2021-12-22 15:31:48,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:48" (3/3) ... [2021-12-22 15:31:48,010 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-22 15:31:48,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:31:48,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:31:48,067 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:31:48,072 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 [2021-12-22 15:31:48,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:31:48,121 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) [2021-12-22 15:31:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-22 15:31:48,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:48,133 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] [2021-12-22 15:31:48,134 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)] === [2021-12-22 15:31:48,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-12-22 15:31:48,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:48,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385015117] [2021-12-22 15:31:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:48,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:31:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:31:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:31:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:31:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:31:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:31:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:31:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:31:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-22 15:31:49,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:49,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385015117] [2021-12-22 15:31:49,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385015117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:49,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:49,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:49,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663704153] [2021-12-22 15:31:49,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:49,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:49,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:49,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:49,099 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) [2021-12-22 15:31:51,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:31:53,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:31:56,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:00,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:03,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:08,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:10,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:10,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:10,898 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-12-22 15:32:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:10,903 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 [2021-12-22 15:32:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:10,965 INFO L225 Difference]: With dead ends: 9700 [2021-12-22 15:32:10,965 INFO L226 Difference]: Without dead ends: 6549 [2021-12-22 15:32:11,027 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 [2021-12-22 15:32:11,032 INFO L933 BasicCegarLoop]: 4669 mSDtfsCounter, 5792 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 2274 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6458 SdHoareTripleChecker+Valid, 9870 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2274 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:11,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6458 Valid, 9870 Invalid, 4980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2274 Valid, 2700 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2021-12-22 15:32:11,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-12-22 15:32:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-12-22 15:32:11,322 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) [2021-12-22 15:32:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-12-22 15:32:11,361 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-12-22 15:32:11,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:11,365 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-12-22 15:32:11,365 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) [2021-12-22 15:32:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-12-22 15:32:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-22 15:32:11,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:11,373 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] [2021-12-22 15:32:11,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:32:11,374 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)] === [2021-12-22 15:32:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:11,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-12-22 15:32:11,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:11,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201775088] [2021-12-22 15:32:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:11,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:32:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:32:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:32:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-22 15:32:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-22 15:32:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-22 15:32:11,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:11,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201775088] [2021-12-22 15:32:11,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201775088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:11,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:11,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:11,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199469132] [2021-12-22 15:32:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:11,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:11,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:11,938 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) [2021-12-22 15:32:15,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:18,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:26,004 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 [] [2021-12-22 15:32:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:26,506 INFO L93 Difference]: Finished difference Result 19123 states and 26631 transitions. [2021-12-22 15:32:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:26,507 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 241 [2021-12-22 15:32:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:26,581 INFO L225 Difference]: With dead ends: 19123 [2021-12-22 15:32:26,581 INFO L226 Difference]: Without dead ends: 12973 [2021-12-22 15:32:26,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:32:26,606 INFO L933 BasicCegarLoop]: 4749 mSDtfsCounter, 5795 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 2316 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6457 SdHoareTripleChecker+Valid, 10046 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2316 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:26,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6457 Valid, 10046 Invalid, 5022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2316 Valid, 2703 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2021-12-22 15:32:26,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-12-22 15:32:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12402. [2021-12-22 15:32:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12402 states, 8820 states have (on average 1.2878684807256235) internal successors, (11359), 9088 states have internal predecessors, (11359), 2894 states have call successors, (2894), 672 states have call predecessors, (2894), 685 states have return successors, (2958), 2837 states have call predecessors, (2958), 2890 states have call successors, (2958) [2021-12-22 15:32:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12402 states to 12402 states and 17211 transitions. [2021-12-22 15:32:27,094 INFO L78 Accepts]: Start accepts. Automaton has 12402 states and 17211 transitions. Word has length 241 [2021-12-22 15:32:27,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:27,096 INFO L470 AbstractCegarLoop]: Abstraction has 12402 states and 17211 transitions. [2021-12-22 15:32:27,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-22 15:32:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12402 states and 17211 transitions. [2021-12-22 15:32:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-22 15:32:27,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:27,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:27,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:32:27,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-12-22 15:32:27,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:27,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1137925977, now seen corresponding path program 1 times [2021-12-22 15:32:27,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:27,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274654981] [2021-12-22 15:32:27,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:27,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:32:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:32:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:32:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:32:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:32:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-22 15:32:27,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:27,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274654981] [2021-12-22 15:32:27,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274654981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:27,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:27,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:27,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220247783] [2021-12-22 15:32:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:27,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:27,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:27,601 INFO L87 Difference]: Start difference. First operand 12402 states and 17211 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)