./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:00:06,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:00:06,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:00:06,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:00:06,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:00:06,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:00:06,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:00:06,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:00:06,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:00:06,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:00:06,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:00:06,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:00:06,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:00:06,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:00:06,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:00:06,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:00:06,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:00:06,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:00:06,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:00:06,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:00:06,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:00:06,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:00:06,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:00:06,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:00:06,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:00:06,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:00:06,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:00:06,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:00:06,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:00:06,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:00:06,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:00:06,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:00:06,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:00:06,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:00:06,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:00:06,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:00:06,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:00:06,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:00:06,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:00:06,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:00:06,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:00:06,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:00:06,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:00:06,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:00:06,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:00:06,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:00:06,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:00:06,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:00:06,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:00:06,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:00:06,658 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:00:06,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:00:06,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:00:06,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:00:06,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:00:06,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:00:06,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:00:06,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:00:06,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:00:06,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:00:06,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:00:06,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:00:06,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:00:06,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:00:06,662 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:00:06,662 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:00:06,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:00:06,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:00:06,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-12-14 19:00:06,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:00:06,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:00:06,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:00:06,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:00:06,902 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:00:06,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 19:00:06,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5abd0c33/bce2b19884174406938b72aea51ecdcd/FLAGd500612e1 [2021-12-14 19:00:07,631 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:00:07,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 19:00:07,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5abd0c33/bce2b19884174406938b72aea51ecdcd/FLAGd500612e1 [2021-12-14 19:00:07,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5abd0c33/bce2b19884174406938b72aea51ecdcd [2021-12-14 19:00:07,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:00:07,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:00:07,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:00:07,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:00:07,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:00:07,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:00:07" (1/1) ... [2021-12-14 19:00:07,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2302ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:07, skipping insertion in model container [2021-12-14 19:00:07,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:00:07" (1/1) ... [2021-12-14 19:00:07,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:00:07,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:00:11,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-14 19:00:11,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-14 19:00:11,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-14 19:00:11,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-14 19:00:11,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:00:11,789 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:00:12,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-14 19:00:12,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-14 19:00:12,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-14 19:00:12,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-14 19:00:12,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:00:12,454 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:00:12,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12 WrapperNode [2021-12-14 19:00:12,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:00:12,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:00:12,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:00:12,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:00:12,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:12,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:12,797 INFO L137 Inliner]: procedures = 703, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10884 [2021-12-14 19:00:12,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:00:12,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:00:12,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:00:12,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:00:12,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:12,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:12,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:12,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:13,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:13,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:13,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:13,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:00:13,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:00:13,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:00:13,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:00:13,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (1/1) ... [2021-12-14 19:00:13,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:00:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:00:13,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 19:00:13,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 19:00:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-12-14 19:00:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-12-14 19:00:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 19:00:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 19:00:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-14 19:00:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-14 19:00:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-14 19:00:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 19:00:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 19:00:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:00:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 19:00:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:00:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 19:00:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:00:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:00:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:00:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:00:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 19:00:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:00:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 19:00:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:00:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:00:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-14 19:00:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-14 19:00:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:00:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:00:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-14 19:00:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-14 19:00:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:00:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:00:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-14 19:00:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-14 19:00:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:00:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:00:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:00:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:00:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-14 19:00:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-14 19:00:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-14 19:00:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-14 19:00:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 19:00:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 19:00:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-14 19:00:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 19:00:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:00:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:00:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-14 19:00:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-14 19:00:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 19:00:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:00:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-14 19:00:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-14 19:00:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-14 19:00:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:00:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-14 19:00:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-14 19:00:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2021-12-14 19:00:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2021-12-14 19:00:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-14 19:00:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:00:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:00:14,459 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:00:14,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:00:14,771 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:00:25,188 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 19:00:25,399 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:00:25,420 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:00:25,420 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 19:00:25,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:25 BoogieIcfgContainer [2021-12-14 19:00:25,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:00:25,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:00:25,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:00:25,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:00:25,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:00:07" (1/3) ... [2021-12-14 19:00:25,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283e2233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:25, skipping insertion in model container [2021-12-14 19:00:25,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:12" (2/3) ... [2021-12-14 19:00:25,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283e2233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:25, skipping insertion in model container [2021-12-14 19:00:25,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:25" (3/3) ... [2021-12-14 19:00:25,433 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 19:00:25,439 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:00:25,439 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-14 19:00:25,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:00:25,490 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 19:00:25,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-14 19:00:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2021-12-14 19:00:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-14 19:00:25,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:25,553 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:25,554 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-14 19:00:25,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash -676951814, now seen corresponding path program 1 times [2021-12-14 19:00:25,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:25,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728420950] [2021-12-14 19:00:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:25,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:00:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 19:00:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 19:00:26,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:26,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728420950] [2021-12-14 19:00:26,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728420950] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:26,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:26,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:26,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093829155] [2021-12-14 19:00:26,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:26,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:26,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:26,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:26,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:26,720 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 19:00:32,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:00:34,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:34,764 INFO L93 Difference]: Finished difference Result 10087 states and 14560 transitions. [2021-12-14 19:00:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:34,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2021-12-14 19:00:34,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:34,831 INFO L225 Difference]: With dead ends: 10087 [2021-12-14 19:00:34,831 INFO L226 Difference]: Without dead ends: 6723 [2021-12-14 19:00:34,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:34,859 INFO L933 BasicCegarLoop]: 5237 mSDtfsCounter, 5269 mSDsluCounter, 6239 mSDsCounter, 0 mSdLazyCounter, 2499 mSolverCounterSat, 2081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5934 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2081 IncrementalHoareTripleChecker+Valid, 2499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:34,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5934 Valid, 11476 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2081 Valid, 2499 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-14 19:00:34,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-12-14 19:00:35,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6587. [2021-12-14 19:00:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4587 states have (on average 1.264442991061696) internal successors, (5800), 4671 states have internal predecessors, (5800), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2021-12-14 19:00:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9112 transitions. [2021-12-14 19:00:35,218 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9112 transitions. Word has length 261 [2021-12-14 19:00:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:35,222 INFO L470 AbstractCegarLoop]: Abstraction has 6587 states and 9112 transitions. [2021-12-14 19:00:35,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 19:00:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9112 transitions. [2021-12-14 19:00:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-14 19:00:35,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:35,230 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:35,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:00:35,231 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-14 19:00:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash -835981002, now seen corresponding path program 1 times [2021-12-14 19:00:35,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:35,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047676212] [2021-12-14 19:00:35,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:35,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:00:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 19:00:35,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:35,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047676212] [2021-12-14 19:00:35,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047676212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:35,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:35,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:35,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392283648] [2021-12-14 19:00:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:35,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:35,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:35,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:35,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:35,959 INFO L87 Difference]: Start difference. First operand 6587 states and 9112 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:00:41,694 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 [] [2021-12-14 19:00:45,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:45,655 INFO L93 Difference]: Finished difference Result 16506 states and 23047 transitions. [2021-12-14 19:00:45,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:45,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2021-12-14 19:00:45,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:45,705 INFO L225 Difference]: With dead ends: 16506 [2021-12-14 19:00:45,706 INFO L226 Difference]: Without dead ends: 9966 [2021-12-14 19:00:45,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:45,728 INFO L933 BasicCegarLoop]: 5281 mSDtfsCounter, 5169 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 2114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 11555 SdHoareTripleChecker+Invalid, 4641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2114 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:45,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5841 Valid, 11555 Invalid, 4641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2114 Valid, 2526 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-12-14 19:00:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-12-14 19:00:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9737. [2021-12-14 19:00:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 6776 states have (on average 1.2629870129870129) internal successors, (8558), 6904 states have internal predecessors, (8558), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2021-12-14 19:00:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13452 transitions. [2021-12-14 19:00:46,063 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13452 transitions. Word has length 267 [2021-12-14 19:00:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:46,065 INFO L470 AbstractCegarLoop]: Abstraction has 9737 states and 13452 transitions. [2021-12-14 19:00:46,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:00:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13452 transitions. [2021-12-14 19:00:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-14 19:00:46,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:46,074 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:46,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:00:46,075 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-14 19:00:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash 314562561, now seen corresponding path program 1 times [2021-12-14 19:00:46,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:46,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307213996] [2021-12-14 19:00:46,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:46,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:00:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 19:00:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 19:00:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 19:00:46,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:46,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307213996] [2021-12-14 19:00:46,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307213996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:46,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:46,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:46,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078981799] [2021-12-14 19:00:46,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:46,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:46,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:46,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:46,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:46,796 INFO L87 Difference]: Start difference. First operand 9737 states and 13452 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 19:00:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:50,333 INFO L93 Difference]: Finished difference Result 19402 states and 27003 transitions. [2021-12-14 19:00:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:50,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2021-12-14 19:00:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:50,385 INFO L225 Difference]: With dead ends: 19402 [2021-12-14 19:00:50,391 INFO L226 Difference]: Without dead ends: 9712 [2021-12-14 19:00:50,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:50,433 INFO L933 BasicCegarLoop]: 4391 mSDtfsCounter, 4476 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:50,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 6641 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 19:00:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9712 states. [2021-12-14 19:00:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9712 to 9515. [2021-12-14 19:00:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6633 states have (on average 1.2620232172470978) internal successors, (8371), 6752 states have internal predecessors, (8371), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2021-12-14 19:00:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13117 transitions. [2021-12-14 19:00:50,760 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13117 transitions. Word has length 269 [2021-12-14 19:00:50,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:50,761 INFO L470 AbstractCegarLoop]: Abstraction has 9515 states and 13117 transitions. [2021-12-14 19:00:50,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 19:00:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13117 transitions. [2021-12-14 19:00:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-14 19:00:50,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:50,766 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:50,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:00:50,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-14 19:00:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash 88640598, now seen corresponding path program 1 times [2021-12-14 19:00:50,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:50,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294753357] [2021-12-14 19:00:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:50,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:00:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 19:00:51,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:51,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294753357] [2021-12-14 19:00:51,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294753357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:51,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:51,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:51,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289147006] [2021-12-14 19:00:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:51,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:51,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:51,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:51,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:51,490 INFO L87 Difference]: Start difference. First operand 9515 states and 13117 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:00:56,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:00:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:59,624 INFO L93 Difference]: Finished difference Result 28279 states and 39373 transitions. [2021-12-14 19:00:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:59,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2021-12-14 19:00:59,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:59,705 INFO L225 Difference]: With dead ends: 28279 [2021-12-14 19:00:59,705 INFO L226 Difference]: Without dead ends: 18832 [2021-12-14 19:00:59,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:59,739 INFO L933 BasicCegarLoop]: 5235 mSDtfsCounter, 4888 mSDsluCounter, 6135 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 2023 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 4548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2023 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:59,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5504 Valid, 11370 Invalid, 4548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2023 Valid, 2524 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2021-12-14 19:00:59,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18832 states. [2021-12-14 19:01:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18832 to 18402. [2021-12-14 19:01:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 12809 states have (on average 1.2585681942384261) internal successors, (16121), 13050 states have internal predecessors, (16121), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2021-12-14 19:01:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 25299 transitions. [2021-12-14 19:01:00,456 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 25299 transitions. Word has length 273 [2021-12-14 19:01:00,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:01:00,457 INFO L470 AbstractCegarLoop]: Abstraction has 18402 states and 25299 transitions. [2021-12-14 19:01:00,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:01:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 25299 transitions. [2021-12-14 19:01:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-14 19:01:00,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:01:00,461 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:01:00,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:01:00,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-14 19:01:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:01:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1563312886, now seen corresponding path program 1 times [2021-12-14 19:01:00,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:01:00,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146273357] [2021-12-14 19:01:00,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:01:00,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:01:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:01:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:01:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:01:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:01:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:01:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:01:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:01:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:01:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:01:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:01:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:01:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:01:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:01:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:01:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:01:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:01:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:01:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:01:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:01:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:01:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:01:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:01:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 19:01:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 19:01:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:01:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 19:01:00,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:01:00,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146273357] [2021-12-14 19:01:00,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146273357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:01:00,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:01:00,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:01:00,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114753432] [2021-12-14 19:01:00,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:01:00,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:01:00,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:01:00,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:01:00,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:01:00,965 INFO L87 Difference]: Start difference. First operand 18402 states and 25299 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)