./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:28:25,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:28:25,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:28:25,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:28:25,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:28:25,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:28:25,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:28:25,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:28:25,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:28:25,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:28:25,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:28:25,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:28:25,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:28:25,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:28:25,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:28:25,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:28:25,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:28:25,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:28:25,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:28:25,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:28:25,835 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:28:25,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:28:25,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:28:25,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:28:25,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:28:25,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:28:25,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:28:25,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:28:25,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:28:25,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:28:25,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:28:25,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:28:25,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:28:25,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:28:25,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:28:25,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:28:25,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:28:25,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:28:25,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:28:25,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:28:25,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:28:25,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:28:25,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:28:25,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:28:25,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:28:25,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:28:25,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:28:25,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:28:25,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:28:25,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:28:25,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:28:25,873 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:28:25,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:28:25,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:28:25,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:28:25,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:28:25,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:28:25,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:28:25,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:28:25,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:25,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:28:25,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:28:25,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:28:25,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2022-07-20 03:28:26,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:28:26,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:28:26,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:28:26,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:28:26,091 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:28:26,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:28:26,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd509035/a118558af1ba4ac6baf38ec444705aaf/FLAG22ed7031e [2022-07-20 03:28:26,764 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:28:26,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:28:26,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd509035/a118558af1ba4ac6baf38ec444705aaf/FLAG22ed7031e [2022-07-20 03:28:27,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd509035/a118558af1ba4ac6baf38ec444705aaf [2022-07-20 03:28:27,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:28:27,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:28:27,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:27,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:28:27,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:28:27,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:27" (1/1) ... [2022-07-20 03:28:27,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4b7a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:27, skipping insertion in model container [2022-07-20 03:28:27,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:27" (1/1) ... [2022-07-20 03:28:27,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:28:27,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:28:29,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-20 03:28:29,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-20 03:28:29,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-20 03:28:29,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-20 03:28:29,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:29,402 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:28:29,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-20 03:28:29,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-20 03:28:29,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-20 03:28:29,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-20 03:28:29,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:29,891 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:28:29,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29 WrapperNode [2022-07-20 03:28:29,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:29,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:29,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:28:29,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:28:29,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:29,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,182 INFO L137 Inliner]: procedures = 559, calls = 2869, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 7591 [2022-07-20 03:28:30,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:30,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:28:30,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:28:30,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:28:30,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:28:30,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:28:30,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:28:30,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:28:30,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (1/1) ... [2022-07-20 03:28:30,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:30,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:28:30,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 03:28:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-20 03:28:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-20 03:28:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:28:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:28:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:28:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:28:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:28:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:28:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:28:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:28:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:28:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:28:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:28:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:28:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:28:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:28:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-07-20 03:28:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-07-20 03:28:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-20 03:28:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-20 03:28:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:28:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:28:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:28:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:28:30,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 03:28:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:28:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:28:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:28:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:28:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:28:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:28:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:28:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:28:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:28:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-20 03:28:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-20 03:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:28:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:28:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:28:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:28:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-20 03:28:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-20 03:28:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:28:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:28:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:28:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:28:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:28:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:28:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:28:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-20 03:28:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-20 03:28:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:28:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:28:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:28:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:28:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:28:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-20 03:28:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-20 03:28:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:28:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:28:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:28:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:28:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:28:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:28:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:28:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:28:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-20 03:28:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-20 03:28:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-20 03:28:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-20 03:28:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-20 03:28:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-20 03:28:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:28:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:28:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:28:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:28:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:28:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-20 03:28:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-20 03:28:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:28:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:28:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:28:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:28:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-20 03:28:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-20 03:28:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:28:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:28:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:28:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:28:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:28:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:28:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:28:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:28:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:28:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-20 03:28:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-20 03:28:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-20 03:28:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-20 03:28:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:28:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:28:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-20 03:28:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-20 03:28:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:28:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:28:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 03:28:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 03:28:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:28:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:28:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:28:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:28:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:28:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:28:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-20 03:28:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-20 03:28:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-20 03:28:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-20 03:28:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:28:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:28:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-20 03:28:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 03:28:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:28:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:28:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:28:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:28:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-20 03:28:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-20 03:28:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-20 03:28:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 03:28:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:28:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-20 03:28:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-20 03:28:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:28:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:28:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-20 03:28:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-20 03:28:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:28:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:28:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 03:28:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 03:28:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-20 03:28:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-20 03:28:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-20 03:28:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-20 03:28:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-20 03:28:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-20 03:28:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:28:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-20 03:28:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:28:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:28:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-20 03:28:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-20 03:28:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:28:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-20 03:28:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-20 03:28:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-20 03:28:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-20 03:28:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-20 03:28:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-20 03:28:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:28:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:28:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-20 03:28:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-20 03:28:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:28:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:28:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-20 03:28:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-20 03:28:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:28:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:28:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:28:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:28:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 03:28:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 03:28:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-20 03:28:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-20 03:28:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:28:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 03:28:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 03:28:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-20 03:28:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-20 03:28:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:28:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:28:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:28:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:28:31,366 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:28:31,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:28:31,500 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:28:38,164 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:28:38,283 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:28:38,304 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:28:38,305 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-20 03:28:38,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:28:38 BoogieIcfgContainer [2022-07-20 03:28:38,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:28:38,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:28:38,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:28:38,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:28:38,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:28:27" (1/3) ... [2022-07-20 03:28:38,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b30a39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:28:38, skipping insertion in model container [2022-07-20 03:28:38,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:29" (2/3) ... [2022-07-20 03:28:38,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b30a39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:28:38, skipping insertion in model container [2022-07-20 03:28:38,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:28:38" (3/3) ... [2022-07-20 03:28:38,316 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:28:38,328 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:28:38,329 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:28:38,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:28:38,433 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bc0d0af, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3ef75370 [2022-07-20 03:28:38,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:28:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) [2022-07-20 03:28:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-20 03:28:38,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:38,459 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:38,460 INFO L420 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)] === [2022-07-20 03:28:38,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1141530011, now seen corresponding path program 1 times [2022-07-20 03:28:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:38,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851024689] [2022-07-20 03:28:38,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:38,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:28:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 03:28:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:28:39,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:39,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851024689] [2022-07-20 03:28:39,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851024689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:39,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:39,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987407064] [2022-07-20 03:28:39,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:39,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:39,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:39,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:39,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:39,281 INFO L87 Difference]: Start difference. First operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:28:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:44,475 INFO L93 Difference]: Finished difference Result 8177 states and 12027 transitions. [2022-07-20 03:28:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:44,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-07-20 03:28:44,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:44,521 INFO L225 Difference]: With dead ends: 8177 [2022-07-20 03:28:44,522 INFO L226 Difference]: Without dead ends: 5433 [2022-07-20 03:28:44,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:44,544 INFO L413 NwaCegarLoop]: 4080 mSDtfsCounter, 4641 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 7971 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:44,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 7971 Invalid, 4916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 03:28:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5433 states. [2022-07-20 03:28:44,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5433 to 5277. [2022-07-20 03:28:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3730 states have (on average 1.2916890080428955) internal successors, (4818), 3807 states have internal predecessors, (4818), 1304 states have call successors, (1304), 241 states have call predecessors, (1304), 240 states have return successors, (1300), 1275 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-07-20 03:28:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7422 transitions. [2022-07-20 03:28:44,816 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7422 transitions. Word has length 171 [2022-07-20 03:28:44,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:44,825 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7422 transitions. [2022-07-20 03:28:44,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:28:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7422 transitions. [2022-07-20 03:28:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-20 03:28:44,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:44,832 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:44,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:28:44,832 INFO L420 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)] === [2022-07-20 03:28:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1213757508, now seen corresponding path program 1 times [2022-07-20 03:28:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:44,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042245480] [2022-07-20 03:28:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:28:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 03:28:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 03:28:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:28:45,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:45,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042245480] [2022-07-20 03:28:45,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042245480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:45,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:45,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:45,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687546962] [2022-07-20 03:28:45,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:45,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:45,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:45,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:45,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:45,266 INFO L87 Difference]: Start difference. First operand 5277 states and 7422 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 03:28:50,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:50,372 INFO L93 Difference]: Finished difference Result 15933 states and 22530 transitions. [2022-07-20 03:28:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:50,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 175 [2022-07-20 03:28:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:50,431 INFO L225 Difference]: With dead ends: 15933 [2022-07-20 03:28:50,432 INFO L226 Difference]: Without dead ends: 10687 [2022-07-20 03:28:50,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:50,455 INFO L413 NwaCegarLoop]: 4346 mSDtfsCounter, 4668 mSDsluCounter, 4131 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 1972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 8477 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1972 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:50,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5274 Valid, 8477 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1972 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 03:28:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-07-20 03:28:50,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10511. [2022-07-20 03:28:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10511 states, 7459 states have (on average 1.293202842204049) internal successors, (9646), 7631 states have internal predecessors, (9646), 2557 states have call successors, (2557), 480 states have call predecessors, (2557), 492 states have return successors, (2641), 2491 states have call predecessors, (2641), 2553 states have call successors, (2641) [2022-07-20 03:28:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10511 states to 10511 states and 14844 transitions. [2022-07-20 03:28:50,823 INFO L78 Accepts]: Start accepts. Automaton has 10511 states and 14844 transitions. Word has length 175 [2022-07-20 03:28:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:50,825 INFO L495 AbstractCegarLoop]: Abstraction has 10511 states and 14844 transitions. [2022-07-20 03:28:50,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 03:28:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 10511 states and 14844 transitions. [2022-07-20 03:28:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-20 03:28:50,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:50,829 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:50,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:28:50,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:28:50,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1416040930, now seen corresponding path program 1 times [2022-07-20 03:28:50,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:50,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845185673] [2022-07-20 03:28:50,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:28:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 03:28:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:28:51,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:51,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845185673] [2022-07-20 03:28:51,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845185673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:51,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:51,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56390544] [2022-07-20 03:28:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:51,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:51,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:51,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:51,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:51,117 INFO L87 Difference]: Start difference. First operand 10511 states and 14844 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:28:56,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:56,009 INFO L93 Difference]: Finished difference Result 29129 states and 41078 transitions. [2022-07-20 03:28:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:56,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 174 [2022-07-20 03:28:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:56,094 INFO L225 Difference]: With dead ends: 29129 [2022-07-20 03:28:56,094 INFO L226 Difference]: Without dead ends: 18649 [2022-07-20 03:28:56,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:56,133 INFO L413 NwaCegarLoop]: 3924 mSDtfsCounter, 3817 mSDsluCounter, 3864 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 7788 SdHoareTripleChecker+Invalid, 4669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:56,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4296 Valid, 7788 Invalid, 4669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 03:28:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18649 states. [2022-07-20 03:28:56,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18649 to 18223. [2022-07-20 03:28:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18223 states, 12921 states have (on average 1.2941722776874856) internal successors, (16722), 13209 states have internal predecessors, (16722), 4357 states have call successors, (4357), 934 states have call predecessors, (4357), 942 states have return successors, (4491), 4213 states have call predecessors, (4491), 4353 states have call successors, (4491) [2022-07-20 03:28:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18223 states to 18223 states and 25570 transitions. [2022-07-20 03:28:56,769 INFO L78 Accepts]: Start accepts. Automaton has 18223 states and 25570 transitions. Word has length 174 [2022-07-20 03:28:56,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:56,770 INFO L495 AbstractCegarLoop]: Abstraction has 18223 states and 25570 transitions. [2022-07-20 03:28:56,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:28:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 18223 states and 25570 transitions. [2022-07-20 03:28:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-20 03:28:56,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:56,772 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:56,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:28:56,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:28:56,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:56,773 INFO L85 PathProgramCache]: Analyzing trace with hash -680148155, now seen corresponding path program 1 times [2022-07-20 03:28:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:56,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367428510] [2022-07-20 03:28:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:28:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 03:28:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:28:57,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:57,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367428510] [2022-07-20 03:28:57,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367428510] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:57,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:57,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:57,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190859967] [2022-07-20 03:28:57,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:57,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:57,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:57,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:57,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:57,055 INFO L87 Difference]: Start difference. First operand 18223 states and 25570 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:29:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:02,092 INFO L93 Difference]: Finished difference Result 42082 states and 58667 transitions. [2022-07-20 03:29:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:29:02,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 177 [2022-07-20 03:29:02,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:02,179 INFO L225 Difference]: With dead ends: 42082 [2022-07-20 03:29:02,180 INFO L226 Difference]: Without dead ends: 23890 [2022-07-20 03:29:02,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:02,245 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 3768 mSDsluCounter, 5058 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 1473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 11331 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:02,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4357 Valid, 11331 Invalid, 4508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1473 Valid, 3035 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 03:29:02,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23890 states. [2022-07-20 03:29:02,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23890 to 23215. [2022-07-20 03:29:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23215 states, 16478 states have (on average 1.2869887122223571) internal successors, (21207), 16815 states have internal predecessors, (21207), 5343 states have call successors, (5343), 1397 states have call predecessors, (5343), 1391 states have return successors, (5456), 5138 states have call predecessors, (5456), 5339 states have call successors, (5456) [2022-07-20 03:29:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23215 states to 23215 states and 32006 transitions. [2022-07-20 03:29:03,044 INFO L78 Accepts]: Start accepts. Automaton has 23215 states and 32006 transitions. Word has length 177 [2022-07-20 03:29:03,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:03,045 INFO L495 AbstractCegarLoop]: Abstraction has 23215 states and 32006 transitions. [2022-07-20 03:29:03,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 03:29:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 23215 states and 32006 transitions. [2022-07-20 03:29:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 03:29:03,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:03,050 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-07-20 03:29:03,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:29:03,051 INFO L420 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)] === [2022-07-20 03:29:03,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1201033793, now seen corresponding path program 1 times [2022-07-20 03:29:03,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:03,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821857412] [2022-07-20 03:29:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:29:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:29:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:29:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:29:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:29:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-20 03:29:03,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:03,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821857412] [2022-07-20 03:29:03,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821857412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:03,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:03,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:29:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455010] [2022-07-20 03:29:03,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:03,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:29:03,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:29:03,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:29:03,675 INFO L87 Difference]: Start difference. First operand 23215 states and 32006 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:29:06,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:29:11,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:29:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:13,323 INFO L93 Difference]: Finished difference Result 70305 states and 97167 transitions. [2022-07-20 03:29:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:29:13,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-20 03:29:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:13,493 INFO L225 Difference]: With dead ends: 70305 [2022-07-20 03:29:13,493 INFO L226 Difference]: Without dead ends: 47376 [2022-07-20 03:29:13,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:13,579 INFO L413 NwaCegarLoop]: 4841 mSDtfsCounter, 4603 mSDsluCounter, 4379 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 1859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5225 SdHoareTripleChecker+Valid, 9220 SdHoareTripleChecker+Invalid, 4868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1859 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:13,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5225 Valid, 9220 Invalid, 4868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1859 Valid, 3009 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-07-20 03:29:13,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47376 states. [2022-07-20 03:29:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47376 to 46010. [2022-07-20 03:29:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46010 states, 32645 states have (on average 1.2869658446929086) internal successors, (42013), 33329 states have internal predecessors, (42013), 10585 states have call successors, (10585), 2788 states have call predecessors, (10585), 2777 states have return successors, (10851), 10164 states have call predecessors, (10851), 10581 states have call successors, (10851) [2022-07-20 03:29:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46010 states to 46010 states and 63449 transitions. [2022-07-20 03:29:15,106 INFO L78 Accepts]: Start accepts. Automaton has 46010 states and 63449 transitions. Word has length 236 [2022-07-20 03:29:15,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:15,107 INFO L495 AbstractCegarLoop]: Abstraction has 46010 states and 63449 transitions. [2022-07-20 03:29:15,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:29:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 46010 states and 63449 transitions. [2022-07-20 03:29:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 03:29:15,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:15,111 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-07-20 03:29:15,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:29:15,112 INFO L420 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)] === [2022-07-20 03:29:15,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1554122175, now seen corresponding path program 1 times [2022-07-20 03:29:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:15,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406006256] [2022-07-20 03:29:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:29:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:29:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:29:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:29:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:29:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-20 03:29:15,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406006256] [2022-07-20 03:29:15,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406006256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:15,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:15,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:29:15,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805351275] [2022-07-20 03:29:15,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:15,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:29:15,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:29:15,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:29:15,385 INFO L87 Difference]: Start difference. First operand 46010 states and 63449 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:29:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:21,250 INFO L93 Difference]: Finished difference Result 119312 states and 165255 transitions. [2022-07-20 03:29:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:29:21,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-20 03:29:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:21,681 INFO L225 Difference]: With dead ends: 119312 [2022-07-20 03:29:21,682 INFO L226 Difference]: Without dead ends: 73588 [2022-07-20 03:29:21,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:21,806 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 4026 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 10700 SdHoareTripleChecker+Invalid, 4559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:21,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4629 Valid, 10700 Invalid, 4559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 2977 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 03:29:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73588 states. [2022-07-20 03:29:23,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73588 to 71688. [2022-07-20 03:29:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71688 states, 50881 states have (on average 1.2871798903323441) internal successors, (65493), 51945 states have internal predecessors, (65493), 16627 states have call successors, (16627), 4180 states have call predecessors, (16627), 4177 states have return successors, (17027), 16040 states have call predecessors, (17027), 16623 states have call successors, (17027) [2022-07-20 03:29:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71688 states to 71688 states and 99147 transitions. [2022-07-20 03:29:24,361 INFO L78 Accepts]: Start accepts. Automaton has 71688 states and 99147 transitions. Word has length 236 [2022-07-20 03:29:24,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:24,362 INFO L495 AbstractCegarLoop]: Abstraction has 71688 states and 99147 transitions. [2022-07-20 03:29:24,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-20 03:29:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 71688 states and 99147 transitions. [2022-07-20 03:29:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 03:29:24,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:24,366 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-07-20 03:29:24,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:29:24,367 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-20 03:29:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1413573565, now seen corresponding path program 1 times [2022-07-20 03:29:24,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:24,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244517090] [2022-07-20 03:29:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:29:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:29:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:29:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:29:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:29:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-20 03:29:24,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:24,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244517090] [2022-07-20 03:29:24,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244517090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:24,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:24,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:29:24,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848074007] [2022-07-20 03:29:24,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:24,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:29:24,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:24,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:29:24,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:29:24,908 INFO L87 Difference]: Start difference. First operand 71688 states and 99147 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 03:29:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:29,815 INFO L93 Difference]: Finished difference Result 74104 states and 102654 transitions. [2022-07-20 03:29:29,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:29:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 236 [2022-07-20 03:29:29,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:30,248 INFO L225 Difference]: With dead ends: 74104 [2022-07-20 03:29:30,249 INFO L226 Difference]: Without dead ends: 74102 [2022-07-20 03:29:30,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:29:30,285 INFO L413 NwaCegarLoop]: 3610 mSDtfsCounter, 3904 mSDsluCounter, 6245 mSDsCounter, 0 mSdLazyCounter, 3906 mSolverCounterSat, 1338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4328 SdHoareTripleChecker+Valid, 9855 SdHoareTripleChecker+Invalid, 5244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 3906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:30,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4328 Valid, 9855 Invalid, 5244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 3906 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 03:29:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74102 states. [2022-07-20 03:29:32,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74102 to 72204. [2022-07-20 03:29:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72204 states, 51220 states have (on average 1.2862163217493168) internal successors, (65880), 52316 states have internal predecessors, (65880), 16691 states have call successors, (16691), 4293 states have call predecessors, (16691), 4290 states have return successors, (17091), 16104 states have call predecessors, (17091), 16687 states have call successors, (17091) [2022-07-20 03:29:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72204 states to 72204 states and 99662 transitions. [2022-07-20 03:29:32,665 INFO L78 Accepts]: Start accepts. Automaton has 72204 states and 99662 transitions. Word has length 236 [2022-07-20 03:29:32,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:32,666 INFO L495 AbstractCegarLoop]: Abstraction has 72204 states and 99662 transitions. [2022-07-20 03:29:32,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 03:29:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 72204 states and 99662 transitions. [2022-07-20 03:29:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-20 03:29:32,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:32,671 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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, 1, 1, 1, 1] [2022-07-20 03:29:32,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:29:32,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-20 03:29:32,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:32,671 INFO L85 PathProgramCache]: Analyzing trace with hash -424070927, now seen corresponding path program 1 times [2022-07-20 03:29:32,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:32,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576334845] [2022-07-20 03:29:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:32,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:29:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:29:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:29:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:29:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 03:29:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:29:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 03:29:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-20 03:29:33,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:33,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576334845] [2022-07-20 03:29:33,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576334845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:33,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:33,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:29:33,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852900921] [2022-07-20 03:29:33,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:33,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:29:33,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:33,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:29:33,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:33,015 INFO L87 Difference]: Start difference. First operand 72204 states and 99662 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 03:29:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:52,315 INFO L93 Difference]: Finished difference Result 174227 states and 241330 transitions. [2022-07-20 03:29:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:29:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 244 [2022-07-20 03:29:52,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:52,895 INFO L225 Difference]: With dead ends: 174227 [2022-07-20 03:29:52,895 INFO L226 Difference]: Without dead ends: 102309 [2022-07-20 03:29:53,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:29:53,080 INFO L413 NwaCegarLoop]: 6824 mSDtfsCounter, 4401 mSDsluCounter, 6483 mSDsCounter, 0 mSdLazyCounter, 6888 mSolverCounterSat, 2552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4881 SdHoareTripleChecker+Valid, 13307 SdHoareTripleChecker+Invalid, 9440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2552 IncrementalHoareTripleChecker+Valid, 6888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:53,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4881 Valid, 13307 Invalid, 9440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2552 Valid, 6888 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-07-20 03:29:53,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102309 states. [2022-07-20 03:29:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102309 to 94137. [2022-07-20 03:29:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94137 states, 66789 states have (on average 1.286738834239171) internal successors, (85940), 68228 states have internal predecessors, (85940), 21837 states have call successors, (21837), 5495 states have call predecessors, (21837), 5508 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-20 03:29:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94137 states to 94137 states and 130164 transitions. [2022-07-20 03:29:56,894 INFO L78 Accepts]: Start accepts. Automaton has 94137 states and 130164 transitions. Word has length 244 [2022-07-20 03:29:56,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:56,895 INFO L495 AbstractCegarLoop]: Abstraction has 94137 states and 130164 transitions. [2022-07-20 03:29:56,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 03:29:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 94137 states and 130164 transitions. [2022-07-20 03:29:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 03:29:56,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:56,900 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-07-20 03:29:56,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:29:56,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-07-20 03:29:56,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1447062017, now seen corresponding path program 1 times [2022-07-20 03:29:56,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:56,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115906907] [2022-07-20 03:29:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:56,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:29:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:29:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:29:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:29:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:29:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 03:29:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-20 03:29:57,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:57,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115906907] [2022-07-20 03:29:57,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115906907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:57,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:57,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:29:57,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329598574] [2022-07-20 03:29:57,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:57,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:29:57,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:57,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:29:57,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:29:57,282 INFO L87 Difference]: Start difference. First operand 94137 states and 130164 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 03:30:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:03,571 INFO L93 Difference]: Finished difference Result 96541 states and 133958 transitions. [2022-07-20 03:30:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:30:03,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 241 [2022-07-20 03:30:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:03,937 INFO L225 Difference]: With dead ends: 96541 [2022-07-20 03:30:03,937 INFO L226 Difference]: Without dead ends: 96539 [2022-07-20 03:30:03,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:30:03,989 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3877 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 5190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:03,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 9862 Invalid, 5190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1342 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 03:30:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96539 states. [2022-07-20 03:30:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96539 to 94141. [2022-07-20 03:30:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94141 states, 66792 states have (on average 1.286725955204216) internal successors, (85943), 68231 states have internal predecessors, (85943), 21837 states have call successors, (21837), 5496 states have call predecessors, (21837), 5509 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-20 03:30:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94141 states to 94141 states and 130167 transitions. [2022-07-20 03:30:08,172 INFO L78 Accepts]: Start accepts. Automaton has 94141 states and 130167 transitions. Word has length 241 [2022-07-20 03:30:08,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:08,173 INFO L495 AbstractCegarLoop]: Abstraction has 94141 states and 130167 transitions. [2022-07-20 03:30:08,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 03:30:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 94141 states and 130167 transitions. [2022-07-20 03:30:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-20 03:30:08,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:08,178 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 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] [2022-07-20 03:30:08,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:30:08,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-07-20 03:30:08,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -789474621, now seen corresponding path program 1 times [2022-07-20 03:30:08,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:08,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967471109] [2022-07-20 03:30:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:30:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:30:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:30:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:30:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:30:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:30:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:30:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 03:30:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 03:30:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2022-07-20 03:30:08,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:08,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967471109] [2022-07-20 03:30:08,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967471109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:08,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:08,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:30:08,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578886415] [2022-07-20 03:30:08,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:08,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:30:08,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:08,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:30:08,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:30:08,504 INFO L87 Difference]: Start difference. First operand 94141 states and 130167 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 03:30:14,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:14,617 INFO L93 Difference]: Finished difference Result 96545 states and 133961 transitions. [2022-07-20 03:30:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:30:14,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 246 [2022-07-20 03:30:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:14,925 INFO L225 Difference]: With dead ends: 96545 [2022-07-20 03:30:14,926 INFO L226 Difference]: Without dead ends: 96543 [2022-07-20 03:30:14,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:30:14,973 INFO L413 NwaCegarLoop]: 3615 mSDtfsCounter, 3877 mSDsluCounter, 6251 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 9866 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:14,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4293 Valid, 9866 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1341 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 03:30:15,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96543 states. [2022-07-20 03:30:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96543 to 94145. [2022-07-20 03:30:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94145 states, 66795 states have (on average 1.2867130773261473) internal successors, (85946), 68234 states have internal predecessors, (85946), 21837 states have call successors, (21837), 5497 states have call predecessors, (21837), 5510 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-20 03:30:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94145 states to 94145 states and 130170 transitions. [2022-07-20 03:30:18,919 INFO L78 Accepts]: Start accepts. Automaton has 94145 states and 130170 transitions. Word has length 246 [2022-07-20 03:30:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:18,919 INFO L495 AbstractCegarLoop]: Abstraction has 94145 states and 130170 transitions. [2022-07-20 03:30:18,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 03:30:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 94145 states and 130170 transitions. [2022-07-20 03:30:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-20 03:30:18,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:18,925 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 3, 3, 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] [2022-07-20 03:30:18,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 03:30:18,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-07-20 03:30:18,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:18,926 INFO L85 PathProgramCache]: Analyzing trace with hash -371021055, now seen corresponding path program 1 times [2022-07-20 03:30:18,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:18,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477147943] [2022-07-20 03:30:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:18,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:30:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:30:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:30:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 03:30:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:30:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:30:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:30:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 03:30:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 03:30:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 03:30:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2022-07-20 03:30:19,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477147943] [2022-07-20 03:30:19,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477147943] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:19,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:19,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:30:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749917377] [2022-07-20 03:30:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:19,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:30:19,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:30:19,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:30:19,570 INFO L87 Difference]: Start difference. First operand 94145 states and 130170 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 03:30:25,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:25,915 INFO L93 Difference]: Finished difference Result 96549 states and 133964 transitions. [2022-07-20 03:30:25,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:30:25,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 251 [2022-07-20 03:30:25,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:26,239 INFO L225 Difference]: With dead ends: 96549 [2022-07-20 03:30:26,240 INFO L226 Difference]: Without dead ends: 96547 [2022-07-20 03:30:26,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:30:26,291 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3877 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 5188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1340 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:26,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 9862 Invalid, 5188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1340 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 03:30:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96547 states. [2022-07-20 03:30:29,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96547 to 94149. [2022-07-20 03:30:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94149 states, 66798 states have (on average 1.2867002006048085) internal successors, (85949), 68237 states have internal predecessors, (85949), 21837 states have call successors, (21837), 5498 states have call predecessors, (21837), 5511 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387)