./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.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 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:51:05,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:51:05,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:51:05,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:51:05,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:51:05,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:51:05,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:51:05,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:51:05,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:51:05,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:51:05,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:51:05,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:51:05,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:51:05,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:51:05,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:51:05,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:51:05,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:51:05,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:51:05,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:51:05,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:51:05,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:51:05,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:51:05,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:51:05,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:51:05,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:51:05,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:51:05,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:51:05,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:51:05,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:51:05,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:51:05,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:51:05,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:51:05,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:51:05,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:51:05,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:51:05,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:51:05,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:51:05,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:51:05,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:51:05,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:51:05,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:51:05,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:51:05,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:51:05,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:51:05,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:51:05,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:51:05,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:51:05,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:51:05,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:51:05,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:51:05,843 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:51:05,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:51:05,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:51:05,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:51:05,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:51:05,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:51:05,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:51:05,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:51:05,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:51:05,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:51:05,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:51:05,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:51:05,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:51:05,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:51:05,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:51:05,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:51:05,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:51:05,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:51:05,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:51:05,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:51:05,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:51:05,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:51:05,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 [2021-12-28 04:51:06,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:51:06,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:51:06,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:51:06,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:51:06,209 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:51:06,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2021-12-28 04:51:06,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803e0d3b2/728de5cc6f9c41038c151fd80784c618/FLAGe8a54b4b5 [2021-12-28 04:51:07,030 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:51:07,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2021-12-28 04:51:07,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803e0d3b2/728de5cc6f9c41038c151fd80784c618/FLAGe8a54b4b5 [2021-12-28 04:51:07,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803e0d3b2/728de5cc6f9c41038c151fd80784c618 [2021-12-28 04:51:07,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:51:07,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:51:07,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:51:07,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:51:07,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:51:07,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:51:07" (1/1) ... [2021-12-28 04:51:07,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731b966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:07, skipping insertion in model container [2021-12-28 04:51:07,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:51:07" (1/1) ... [2021-12-28 04:51:07,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:51:07,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:51:10,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2021-12-28 04:51:10,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2021-12-28 04:51:10,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2021-12-28 04:51:10,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2021-12-28 04:51:10,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:51:10,329 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:51:10,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2021-12-28 04:51:10,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2021-12-28 04:51:10,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2021-12-28 04:51:10,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2021-12-28 04:51:10,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:51:10,872 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:51:10,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10 WrapperNode [2021-12-28 04:51:10,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:51:10,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:51:10,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:51:10,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:51:10,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:10,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,179 INFO L137 Inliner]: procedures = 391, calls = 2962, calls flagged for inlining = 179, calls inlined = 164, statements flattened = 6208 [2021-12-28 04:51:11,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:51:11,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:51:11,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:51:11,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:51:11,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:51:11,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:51:11,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:51:11,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:51:11,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (1/1) ... [2021-12-28 04:51:11,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:51:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:51:11,480 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) [2021-12-28 04:51:11,502 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 [2021-12-28 04:51:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:51:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:51:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2021-12-28 04:51:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2021-12-28 04:51:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2021-12-28 04:51:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2021-12-28 04:51:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:51:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:51:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2021-12-28 04:51:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2021-12-28 04:51:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2021-12-28 04:51:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2021-12-28 04:51:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2021-12-28 04:51:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2021-12-28 04:51:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:51:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:51:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:51:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:51:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2021-12-28 04:51:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2021-12-28 04:51:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2021-12-28 04:51:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2021-12-28 04:51:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-28 04:51:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-28 04:51:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:51:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:51:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2021-12-28 04:51:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:51:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:51:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:51:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:51:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:51:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2021-12-28 04:51:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2021-12-28 04:51:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2021-12-28 04:51:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2021-12-28 04:51:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2021-12-28 04:51:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2021-12-28 04:51:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:51:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-12-28 04:51:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-12-28 04:51:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:51:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:51:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:51:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-12-28 04:51:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-12-28 04:51:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:51:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-28 04:51:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-28 04:51:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2021-12-28 04:51:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2021-12-28 04:51:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:51:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:51:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2021-12-28 04:51:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2021-12-28 04:51:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2021-12-28 04:51:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-28 04:51:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-28 04:51:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2021-12-28 04:51:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:51:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:51:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:51:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:51:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:51:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:51:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:51:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:51:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:51:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:51:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:51:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:51:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:51:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2021-12-28 04:51:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2021-12-28 04:51:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:51:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:51:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-12-28 04:51:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-12-28 04:51:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2021-12-28 04:51:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2021-12-28 04:51:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2021-12-28 04:51:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2021-12-28 04:51:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:51:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:51:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2021-12-28 04:51:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2021-12-28 04:51:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:51:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:51:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2021-12-28 04:51:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2021-12-28 04:51:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 04:51:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 04:51:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:51:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:51:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:51:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:51:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:51:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:51:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-28 04:51:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-28 04:51:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:51:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:51:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2021-12-28 04:51:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2021-12-28 04:51:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2021-12-28 04:51:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2021-12-28 04:51:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-12-28 04:51:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-12-28 04:51:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2021-12-28 04:51:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2021-12-28 04:51:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2021-12-28 04:51:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2021-12-28 04:51:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:51:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:51:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:51:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:51:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2021-12-28 04:51:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2021-12-28 04:51:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:51:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:51:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:51:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-12-28 04:51:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-12-28 04:51:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2021-12-28 04:51:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-28 04:51:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-28 04:51:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:51:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:51:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:51:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:51:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:51:12,554 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:51:12,557 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:51:12,796 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:51:25,611 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:51:25,659 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:51:25,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:51:25,682 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:51:25,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:51:25 BoogieIcfgContainer [2021-12-28 04:51:25,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:51:25,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:51:25,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:51:25,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:51:25,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:51:07" (1/3) ... [2021-12-28 04:51:25,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136e2f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:51:25, skipping insertion in model container [2021-12-28 04:51:25,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:10" (2/3) ... [2021-12-28 04:51:25,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136e2f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:51:25, skipping insertion in model container [2021-12-28 04:51:25,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:51:25" (3/3) ... [2021-12-28 04:51:25,722 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2021-12-28 04:51:25,728 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:51:25,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:51:25,784 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:51:25,796 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 [2021-12-28 04:51:25,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:51:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 1697 states, 1232 states have (on average 1.3465909090909092) internal successors, (1659), 1238 states have internal predecessors, (1659), 386 states have call successors, (386), 77 states have call predecessors, (386), 76 states have return successors, (379), 379 states have call predecessors, (379), 379 states have call successors, (379) [2021-12-28 04:51:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-28 04:51:25,874 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:25,875 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:25,876 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:25,881 INFO L85 PathProgramCache]: Analyzing trace with hash 622047471, now seen corresponding path program 1 times [2021-12-28 04:51:25,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:25,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976920452] [2021-12-28 04:51:25,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:25,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:51:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-28 04:51:27,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:27,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976920452] [2021-12-28 04:51:27,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976920452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:27,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:27,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:27,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690312589] [2021-12-28 04:51:27,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:27,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:27,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:27,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:27,066 INFO L87 Difference]: Start difference. First operand has 1697 states, 1232 states have (on average 1.3465909090909092) internal successors, (1659), 1238 states have internal predecessors, (1659), 386 states have call successors, (386), 77 states have call predecessors, (386), 76 states have return successors, (379), 379 states have call predecessors, (379), 379 states have call successors, (379) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:51:32,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:32,733 INFO L93 Difference]: Finished difference Result 4941 states and 7404 transitions. [2021-12-28 04:51:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:32,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 228 [2021-12-28 04:51:32,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:32,770 INFO L225 Difference]: With dead ends: 4941 [2021-12-28 04:51:32,770 INFO L226 Difference]: Without dead ends: 3274 [2021-12-28 04:51:32,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:51:32,792 INFO L933 BasicCegarLoop]: 2652 mSDtfsCounter, 2592 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 6049 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:32,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2771 Valid, 6049 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-28 04:51:32,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3274 states. [2021-12-28 04:51:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3274 to 3232. [2021-12-28 04:51:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 2375 states have (on average 1.3406315789473684) internal successors, (3184), 2386 states have internal predecessors, (3184), 706 states have call successors, (706), 149 states have call predecessors, (706), 148 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) [2021-12-28 04:51:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4592 transitions. [2021-12-28 04:51:33,032 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4592 transitions. Word has length 228 [2021-12-28 04:51:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:33,035 INFO L470 AbstractCegarLoop]: Abstraction has 3232 states and 4592 transitions. [2021-12-28 04:51:33,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:51:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4592 transitions. [2021-12-28 04:51:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-28 04:51:33,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:33,042 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:33,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:51:33,043 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:33,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash 581452904, now seen corresponding path program 1 times [2021-12-28 04:51:33,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:33,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753395872] [2021-12-28 04:51:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:33,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 04:51:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-28 04:51:33,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:33,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753395872] [2021-12-28 04:51:33,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753395872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:33,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:33,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:33,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059078777] [2021-12-28 04:51:33,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:33,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:33,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:33,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:33,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:33,571 INFO L87 Difference]: Start difference. First operand 3232 states and 4592 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:51:38,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:38,861 INFO L93 Difference]: Finished difference Result 7671 states and 10920 transitions. [2021-12-28 04:51:38,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:38,862 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 243 [2021-12-28 04:51:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:38,889 INFO L225 Difference]: With dead ends: 7671 [2021-12-28 04:51:38,889 INFO L226 Difference]: Without dead ends: 4480 [2021-12-28 04:51:38,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:51:38,904 INFO L933 BasicCegarLoop]: 2714 mSDtfsCounter, 2256 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 6128 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:38,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2428 Valid, 6128 Invalid, 1994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [824 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 04:51:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2021-12-28 04:51:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 4396. [2021-12-28 04:51:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3187 states have (on average 1.3410731095073738) internal successors, (4274), 3206 states have internal predecessors, (4274), 985 states have call successors, (985), 222 states have call predecessors, (985), 221 states have return successors, (981), 976 states have call predecessors, (981), 981 states have call successors, (981) [2021-12-28 04:51:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6240 transitions. [2021-12-28 04:51:39,063 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6240 transitions. Word has length 243 [2021-12-28 04:51:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:39,064 INFO L470 AbstractCegarLoop]: Abstraction has 4396 states and 6240 transitions. [2021-12-28 04:51:39,065 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:51:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6240 transitions. [2021-12-28 04:51:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-28 04:51:39,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:39,076 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:39,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:51:39,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash 496876195, now seen corresponding path program 1 times [2021-12-28 04:51:39,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:39,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694092818] [2021-12-28 04:51:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:39,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:51:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:51:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 04:51:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:51:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:51:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:51:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-28 04:51:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2021-12-28 04:51:39,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:39,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694092818] [2021-12-28 04:51:39,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694092818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:39,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:39,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:39,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081712613] [2021-12-28 04:51:39,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:39,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:39,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:39,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:39,676 INFO L87 Difference]: Start difference. First operand 4396 states and 6240 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-28 04:51:40,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:51:44,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:51:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:47,158 INFO L93 Difference]: Finished difference Result 10412 states and 14807 transitions. [2021-12-28 04:51:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 287 [2021-12-28 04:51:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:47,199 INFO L225 Difference]: With dead ends: 10412 [2021-12-28 04:51:47,199 INFO L226 Difference]: Without dead ends: 7369 [2021-12-28 04:51:47,209 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 [2021-12-28 04:51:47,212 INFO L933 BasicCegarLoop]: 4470 mSDtfsCounter, 2288 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 9015 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:47,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2462 Valid, 9015 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-28 04:51:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2021-12-28 04:51:47,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7270. [2021-12-28 04:51:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 5297 states have (on average 1.3430243534075892) internal successors, (7114), 5322 states have internal predecessors, (7114), 1605 states have call successors, (1605), 366 states have call predecessors, (1605), 365 states have return successors, (1601), 1596 states have call predecessors, (1601), 1601 states have call successors, (1601) [2021-12-28 04:51:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 10320 transitions. [2021-12-28 04:51:47,487 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 10320 transitions. Word has length 287 [2021-12-28 04:51:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:47,488 INFO L470 AbstractCegarLoop]: Abstraction has 7270 states and 10320 transitions. [2021-12-28 04:51:47,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-28 04:51:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 10320 transitions. [2021-12-28 04:51:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-28 04:51:47,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:47,498 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:47,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:51:47,498 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:47,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:47,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1874863067, now seen corresponding path program 1 times [2021-12-28 04:51:47,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:47,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056851990] [2021-12-28 04:51:47,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:51:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:51:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 04:51:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:51:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:51:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:51:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-28 04:51:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-12-28 04:51:48,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:48,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056851990] [2021-12-28 04:51:48,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056851990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:48,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:48,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:51:48,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287444552] [2021-12-28 04:51:48,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:48,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:51:48,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:51:48,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:51:48,266 INFO L87 Difference]: Start difference. First operand 7270 states and 10320 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:51:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:52,888 INFO L93 Difference]: Finished difference Result 7371 states and 10483 transitions. [2021-12-28 04:51:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:51:52,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 287 [2021-12-28 04:51:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:52,927 INFO L225 Difference]: With dead ends: 7371 [2021-12-28 04:51:52,928 INFO L226 Difference]: Without dead ends: 7369 [2021-12-28 04:51:52,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:51:52,934 INFO L933 BasicCegarLoop]: 2316 mSDtfsCounter, 2377 mSDsluCounter, 5199 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 7515 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:52,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2526 Valid, 7515 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 04:51:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2021-12-28 04:51:53,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7274. [2021-12-28 04:51:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7274 states, 5300 states have (on average 1.3428301886792453) internal successors, (7117), 5325 states have internal predecessors, (7117), 1605 states have call successors, (1605), 367 states have call predecessors, (1605), 366 states have return successors, (1601), 1596 states have call predecessors, (1601), 1601 states have call successors, (1601) [2021-12-28 04:51:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7274 states to 7274 states and 10323 transitions. [2021-12-28 04:51:53,304 INFO L78 Accepts]: Start accepts. Automaton has 7274 states and 10323 transitions. Word has length 287 [2021-12-28 04:51:53,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:53,308 INFO L470 AbstractCegarLoop]: Abstraction has 7274 states and 10323 transitions. [2021-12-28 04:51:53,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:51:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 7274 states and 10323 transitions. [2021-12-28 04:51:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-28 04:51:53,318 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:53,318 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:53,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:51:53,319 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:53,319 INFO L85 PathProgramCache]: Analyzing trace with hash 704291006, now seen corresponding path program 1 times [2021-12-28 04:51:53,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:53,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359406397] [2021-12-28 04:51:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:53,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:51:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:51:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 04:51:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:51:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:51:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:51:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-28 04:51:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-28 04:51:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-12-28 04:51:53,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:53,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359406397] [2021-12-28 04:51:53,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359406397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:53,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:53,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:51:53,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875647337] [2021-12-28 04:51:53,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:53,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:51:53,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:53,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:51:53,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:51:53,997 INFO L87 Difference]: Start difference. First operand 7274 states and 10323 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-28 04:51:58,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:58,357 INFO L93 Difference]: Finished difference Result 7375 states and 10486 transitions. [2021-12-28 04:51:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:51:58,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 292 [2021-12-28 04:51:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:58,396 INFO L225 Difference]: With dead ends: 7375 [2021-12-28 04:51:58,397 INFO L226 Difference]: Without dead ends: 7373 [2021-12-28 04:51:58,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:51:58,402 INFO L933 BasicCegarLoop]: 2320 mSDtfsCounter, 2369 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 7522 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:58,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2517 Valid, 7522 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:51:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7373 states. [2021-12-28 04:51:58,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7373 to 7278. [2021-12-28 04:51:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7278 states, 5303 states have (on average 1.342636243635678) internal successors, (7120), 5328 states have internal predecessors, (7120), 1605 states have call successors, (1605), 368 states have call predecessors, (1605), 367 states have return successors, (1601), 1596 states have call predecessors, (1601), 1601 states have call successors, (1601) [2021-12-28 04:51:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7278 states to 7278 states and 10326 transitions. [2021-12-28 04:51:58,637 INFO L78 Accepts]: Start accepts. Automaton has 7278 states and 10326 transitions. Word has length 292 [2021-12-28 04:51:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:58,638 INFO L470 AbstractCegarLoop]: Abstraction has 7278 states and 10326 transitions. [2021-12-28 04:51:58,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-28 04:51:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 7278 states and 10326 transitions. [2021-12-28 04:51:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-28 04:51:58,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:58,648 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:58,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:51:58,648 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash 260893573, now seen corresponding path program 1 times [2021-12-28 04:51:58,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:58,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878520096] [2021-12-28 04:51:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:58,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:51:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:51:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:51:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 04:51:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:51:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:51:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:51:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-28 04:51:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-28 04:51:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-28 04:51:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2021-12-28 04:51:59,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:59,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878520096] [2021-12-28 04:51:59,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878520096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:59,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:59,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:51:59,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522544093] [2021-12-28 04:51:59,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:59,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:51:59,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:51:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:51:59,329 INFO L87 Difference]: Start difference. First operand 7278 states and 10326 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-28 04:52:00,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:52:02,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:52:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:04,839 INFO L93 Difference]: Finished difference Result 7379 states and 10489 transitions. [2021-12-28 04:52:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:52:04,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 297 [2021-12-28 04:52:04,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:04,864 INFO L225 Difference]: With dead ends: 7379 [2021-12-28 04:52:04,865 INFO L226 Difference]: Without dead ends: 7377 [2021-12-28 04:52:04,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:52:04,870 INFO L933 BasicCegarLoop]: 2320 mSDtfsCounter, 2369 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 7522 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:04,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2517 Valid, 7522 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-28 04:52:04,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states.